November 30, 2014 SEMI-ANNUAL REPORT

Transcription

1 SEMI-ANNUAL REPORT SEI Institutional Investments Trust Large Cap Fund Large Cap Diversified Alpha Fund Large Cap Disciplined Equity Fund Large Cap Index Fund S&P 500 Index Fund Extended Market Index Fund Small Cap Fund Small Cap II Fund Small/Mid Cap Equity Fund U.S. Managed Volatility Fund World Equity Ex-US Fund Screened World Equity Ex-US Fund Emerging Markets Equity Fund Opportunistic Income Fund Core Fixed Income Fund High Yield Bond Fund Long Duration Fund Long Duration Corporate Bond Fund Ultra Short Duration Bond Fund Emerging Markets Debt Fund Real Return Fund Limited Duration Bond Fund Dynamic Asset Allocation Fund Multi-Asset Real Return Fund

2 TABLE OF CONTENTS Summary Schedules of Investments/Schedules of Investments/ Consolidated Summary Schedule of Investments/ Consolidated Schedule of Investments 1 Statements of Assets and Liabilities/Consolidated Statements of Assets and Liabilities 242 Statements of Operations/Consolidated Statements of Operations 248 Statements of Changes in Net Assets/Consolidated Statements of Changes in Net Assets 254 Consolidated Statement of Cash Flows 261 Financial Highlights/Consolidated Financial Highlights 262 Notes to Financial Statements/Consolidated Notes to Financial Statements 266 Disclosure of Fund Expenses 288 Board of Trustees Considerations in Approving the Advisory and Sub-Advisory Agreements 290 The Trust files its complete schedule of portfolio holdings with the Securities and Exchange Commission for the first and third quarters of each fiscal year on Form N-Q within sixty days after the end of the period. The Trust s Forms N-Q are available on the Commission s website at and may be reviewed and copied at the Commission s Public Reference Room in Washington, DC. Information on the operation of the Public Reference Room may be obtained by calling SEC A description of the policies and procedures that the Trust uses to determine how to vote proxies relating to portfolio securities, as well as information relating to how a Fund voted proxies relating to portfolio securities during the most recent 12-month period ended June 30, is available (i) without charge, upon request, by calling DIAL-SEI; and (ii) on the Commission s website at

3 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) Large Cap Fund Sector Weightings : 20.7% Information Technology 15.8% Financials 15.8% Health Care 12.3% Consumer Discretionary 8.8% Energy 8.2% Consumer Staples 7.7% Industrials 2.7% Affiliated Partnership 2.7% Materials 2.5% Utilities 1.6% Cash Equivalents 1.1% Telecommunication Services 0.1% U.S. Treasury Obligation Percentages are based on total investments. Includes investments held as collateral for securities on loan (see Note 12). Percentage of Net Assets (%) COMMON STOCK (A) 98.1% Shares Consumer Discretionary 12.7% Discovery Communications, Cl C* 0.6% 450,705 $ 15,328 L Brands ,475 14,681 Liberty Interactive, Cl A* ,675 18,151 priceline.com* ,775 17,142 Starbucks ,284 14,560 Time Warner Cable, Cl A ,040 14,188 Other Securities , ,165 Consumer Staples 8.4% Anheuser-Busch InBev ADR ,934 14,616 Costco Wholesale ,499 20,678 Mead Johnson Nutrition, Cl A ,997 20,871 Philip Morris International ,620 17,266 Walgreen ,125 20,660 Other Securities , ,284 Energy 9.0% EOG Resources ,300 16,936 Exxon Mobil ,472 24,307 Phillips ,570 14,135 Valero Energy ,700 14,763 Other Securities , ,753 Financials 16.2% American International Group ,760 26,017 Bank of America 0.8 1,097,610 18,703 Citigroup ,300 32,236 Crown Castle International ,900 21,263 JPMorgan Chase ,300 28,715 Travelers ,300 16,535 Percentage of Net Assets (%) Shares Wells Fargo 0.6% 277,671 $ 15,128 Other Securities , ,660 Health Care 16.2% Allergan ,575 26,859 Biogen Idec* ,750 15,923 Bristol-Myers Squibb ,520 16,683 Celgene* ,950 30,349 Express Scripts Holding* ,928 21,114 Gilead Sciences* ,534 18,312 Humana ,930 19,858 Medtronic ,590 15,852 Pfizer ,340 16,395 Shire ADR ,460 14,623 WellPoint ,100 15,490 Other Securities , ,375 Industrials 7.8% Canadian Pacific Railway ,110 17,406 Other Securities , ,544 Information Technology 21.3% Adobe Systems* ,175 22,485 Apple ,570 25,638 Applied Materials ,990 22,126 ebay* ,425 20,329 Equinix ,977 16,124 Google, Cl A* ,515 15,108 Google, Cl C* ,715 17,184 Intel ,600 21,180 Intuit ,650 13,860 Mastercard, Cl A ,880 35,604 Microsoft ,125 40,166 Qualcomm ,499 31,894 Visa, Cl A ,446 37,294 Western Digital ,898 14,344 Other Securities , ,924 Materials 2.7% Other Securities ,040 Telecommunication Services 1.2% AT&T ,400 15,687 Other Securities ,819 28,506 Utilities 2.6% American Electric Power ,600 13,674 SEI Institutional Investments Trust / Semi-Annual Report / 1

4 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) Large Cap Fund (Concluded) Percentage of Net Assets (%) Shares Other Securities 2.0% $ 49,056 62,730 Total Common Stock (Cost $1,710,112) 2,379,981 AFFILIATED PARTNERSHIP 2.7% SEI Liquidity Fund, L.P % (B)** ,333,376 66,333 Total Affiliated Partnership (Cost $66,333) 66,333 CASH EQUIVALENTS 1.6% SEI Daily Income Trust, Prime Obligation Fund, Cl A 0.010%** ,560,162 36,560 Other Securities 0.1 2,049 Total Cash Equivalents (Cost $38,609) 38,609 The following is a list of the level of inputs used as of, in valuing the Fund s investments carried at value : Investments in Securities Level 1 Level 2 Level 3 Total Common Stock $2,379,981 $ $ $2,379,981 Affiliated Partnership 66,333 66,333 Cash Equivalents 38,609 38,609 U.S. Treasury Obligation 3,483 3,483 Total Investments in Securities $2,418,590 $69,816 $ $2,488,406 For the period ended, there were no transfers between Level 1 and Level 2 assets and liabilities. For the period ended, there were no transfers between Level 2 and Level 3 assets and liabilities. For more information on valuation inputs, see Note 2 Significant Accounting Policies in Note to Financial Statements. Amounts designated as are either $0 or have been rounded to $0. The accompanying notes are an integral part of the financial statements. U.S. TREASURY OBLIGATION 0.1% Other Securities 0.1 3,483 Total U.S. Treasury Obligation (Cost $3,483) 3,483 Total Investments 102.5% (Cost $1,818,537) $ 2,488,406 Percentages are based on Net Assets of $2,427,140. * Non-income producing security. ** The rate reported is the 7-day effective yield as of. Real Estate Investment Trust. Investment in Affiliated Security (see Note 6). (A) Certain securities or partial positions of certain securities are on loan at (see Note 12). The total market value of securities as on loan at was $63,822. (B) This security was purchased with cash collateral held from securities on loan (see Note 12). The total value of such securities as of was $66,333. ADR American Depositary Receipt Cl Class L.P. Limited Partnership The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund s net assets. Other Securities represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission ( SEC ). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) ; and (ii) on the SEC s website at 2 SEI Institutional Investments Trust / Semi-Annual Report /

5 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) Large Cap Diversified Alpha Fund Sector Weightings : 23.0% Information Technology 17.3% Financials 14.7% Consumer Discretionary 12.2% Health Care 8.8% Industrials 8.2% Energy 4.9% Consumer Staples 3.4% Materials 2.9% Telecommunication Services 2.4% Cash Equivalent 1.9% Utilities 0.3% U.S. Treasury Obligations Percentages are based on total investments. COMMON STOCK 97.4% Percentage of Net Assets (%) Shares Consumer Discretionary 14.6% DIRECTV* 0.8% 12,174 $ 1,068 Discovery Communications, Cl C* , General Motors ,832 1,432 L Brands ,147 1,306 Liberty Interactive, Cl A* , Macy s , priceline.com* 1.0 1,113 1,292 Toyota Motor ADR ,039 1,975 Other Securities 7.1 9,236 18,975 Consumer Staples 4.9% Dr. Pepper Snapple Group , Kroger , Lorillard , Walgreen ,791 1,152 Other Securities 2.1 2,740 6,315 Energy 8.2% EOG Resources ,967 1,298 Halliburton , Williams , Other Securities 5.8 7,572 10,654 Financials 17.4% Allstate , Berkshire Hathaway, Cl B* ,130 1,506 Capital One Financial , Citigroup ,422 1,804 Crown Castle International ,224 1,431 IntercontinentalExchange Group 1.0 5,892 1,331 JPMorgan Chase ,162 2,657 MetLife ,903 1,552 Wells Fargo , Percentage of Net Assets (%) Shares Other Securities 7.3% $ 9,564 22,442 Health Care 12.2% Allergan 1.6 9,380 2,006 Cardinal Health , Celgene* ,480 2,328 McKesson 0.7 4, WellPoint 0.6 6, Other Securities 6.9 8,961 15,799 Industrials 8.9% American Airlines Group , Delta Air Lines ,729 1,667 FedEx 0.7 4, General Electric , Lockheed Martin 0.7 4, Northrop Grumman 0.7 6, Other Securities 4.1 5,339 11,437 Information Technology 23.0% Apple ,127 2,869 Baidu ADR* 0.7 3, Cisco Systems ,461 1,339 ebay* ,005 1,482 Equinix 1.2 6,548 1,488 Google, Cl A* 0.6 1, Google, Cl C* 0.5 1, Intel ,739 1,257 Intuit ,122 1,232 Mastercard, Cl A ,860 1,559 Micron Technology* ,856 1,074 Microsoft ,847 2,335 Qualcomm ,466 1,565 Visa, Cl A 1.2 6,370 1,645 Western Digital ,877 1,330 Other Securities 6.4 8,282 29,807 Materials 3.4% Other Securities 3.4 4,398 Telecommunication Services 2.9% China Mobile ADR , Verizon Communications ,993 1,669 Other Securities 0.9 1,104 3,752 Utilities 1.9% Other Securities 1.9 2,409 Total Common Stock (Cost $101,813) 125,988 SEI Institutional Investments Trust / Semi-Annual Report / 3

6 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) Large Cap Diversified Alpha Fund (Concluded) Percentage of Net Assets (%) Shares CASH EQUIVALENT 2.4% SEI Daily Income Trust, Prime Obligation Fund, Cl A 0.010%** 2.4% 3,110,709 $ 3,111 Total Cash Equivalent (Cost $3,111) 3,111 For the period ended, there were no transfers between Level 1 and Level 2 assets and liabilities. For the period ended, there were no transfers between Level 2 and Level 3 assets and liabilities. For more information on valuation inputs, see Note 2 Significant Accounting Policies in Note to Financial Statements. Amounts designated as are either $0 or have been rounded to $0. The accompanying notes are an integral part of the financial statements. U.S. TREASURY OBLIGATIONS (A) 0.3% Other Securities Total U.S. Treasury Obligations (Cost $401) 401 Total Investments 100.1% (Cost $105,325) $ 129,500 A list of the open futures contracts held by the Fund at, is as follows: Type of Contract Number of Contracts Long Expiration Date Unrealized Appreciation Russell 2000 Index EMINI 1 Dec-2014 $ 8 S&P 500 Index EMINI 22 Dec $120 For the period ended, the total amount of all open futures contracts, as presented in the table above, is representative of the volume of activity for this derivative type during the period. Percentages are based on Net Assets of $129,329. * Non-income producing security. ** The rate reported is the 7-day effective yield as of. Real Estate Investment Trust. Investment in Affiliated Security (see Note 6). (A) Security, or a portion thereof, has been pledged as collateral on open futures contracts. ADR American Depositary Receipt Cl Class S&P Standard & Poor s The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund s net assets. Other Securities represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission ( SEC ). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) ; and (ii) on the SEC s website at The following is a list of the level of inputs used as of, in valuing the Fund s investments and other financial instruments carried at value : Investments in Securities Level 1 Level 2 Level 3 Total Common Stock $125,988 $ $ $125,988 Cash Equivalent 3,111 3,111 U.S. Treasury Obligations Total Investments in Securities $129,099 $401 $ $129,500 Other Financial Instruments Level 1 Level 2 Level 3 Total Futures Contracts* Unrealized Appreciation $ 120 $ $ $ 120 * Futures contracts are valued at the unrealized appreciation on the instrument. 4 SEI Institutional Investments Trust / Semi-Annual Report /

7 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) Large Cap Disciplined Equity Fund Sector Weightings : 20.6% Information Technology 14.7% Health Care 14.5% Financials 11.2% Industrials 10.9% Consumer Discretionary 9.1% Consumer Staples 7.6% Energy 2.9% Cash Equivalent 2.7% Materials 2.6% Utilities 1.7% Telecommunication Services 1.4% Affiliated Partnership 0.1% U.S. Treasury Obligations Percentages are based on total investments. Includes investments held as collateral for securities on loan (see Note 12). Percentage of Net Assets (%) COMMON STOCK (A) 96.9% Shares Consumer Discretionary 11.1% AutoZone* 0.7% 60,748 $ 35,095 Comcast, Cl A 1.3 1,052,072 59,978 Home Depot ,378 30,951 Walt Disney ,316 30,743 Other Securities , ,622 Consumer Staples 9.2% CVS Caremark ,506 35,403 Kroger ,933 30,933 Mondelez International, Cl A ,273 34,781 Philip Morris International ,701 36,137 Wal-Mart Stores ,760 45,062 Other Securities , ,802 Energy 7.6% Chevron ,216 54,785 ConocoPhillips ,329 38,012 Exxon Mobil ,631 45,146 National Oilwell Varco ,370 29,053 Phillips ,632 29,254 Other Securities , ,413 Financials 14.7% American Express ,316 35,611 American International Group ,775 42,841 Capital One Financial ,265 31,471 Citigroup 1.4 1,250,040 67,465 JPMorgan Chase 1.5 1,217,609 73,251 Wells Fargo ,310 32,650 Other Securities , ,202 Percentage of Net Assets (%) Shares Health Care 14.9% Actavis* 0.7% 120,648 $ 32,649 Allergan ,171 36,612 Bristol-Myers Squibb ,805 35,537 Gilead Sciences* ,408 52,709 Johnson & Johnson ,684 57,663 McKesson ,507 32,564 Merck ,912 43,483 Pfizer 1.1 1,669,647 52,009 UnitedHealth Group ,593 45,724 Zoetis, Cl A ,176 33,121 Other Securities , ,164 Industrials 11.4% 3M ,485 36,258 General Electric 1.2 2,172,373 57,546 Honeywell International ,368 31,541 Lockheed Martin ,328 29,180 Southwest Airlines ,376 30,795 Tyco International ,330 32,747 Other Securities , ,342 Information Technology 20.9% Apple 3.5 1,411, ,847 Cisco Systems 1.3 2,232,900 61,717 Google, Cl A* ,225 48,442 Google, Cl C* ,550 55,565 Hewlett-Packard ,829 34,053 Intel ,594 36,378 International Business Machines ,981 44,594 Mastercard, Cl A ,370 38,265 Microsoft 1.2 1,227,744 58,698 Oracle ,551 39,634 Qualcomm ,842 53,424 Visa, Cl A ,197 36,714 Other Securities , ,978 Materials 2.7% LyondellBasell Industries, Cl A ,117 28,478 Other Securities , ,556 Telecommunication Services 1.8% Verizon Communications 1.2 1,126,833 57,007 Other Securities ,114 84,121 SEI Institutional Investments Trust / Semi-Annual Report / 5

8 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) Large Cap Disciplined Equity Fund (Concluded) Percentage of Net Assets (%) Shares Utilities 2.6% Other Securities 2.6% $ 123,382 Total Common Stock (Cost $3,819,365) 4,622,582 AFFILIATED PARTNERSHIP 1.4% SEI Liquidity Fund, L.P %** (B) ,687,192 67,687 Total Affiliated Partnership (Cost $67,687) 67,687 CASH EQUIVALENT 3.0% SEI Daily Income Trust, Prime Obligation Fund, Cl A 0.010%** ,161, ,162 Total Cash Equivalent (Cost $142,162) 142,162 U.S. TREASURY OBLIGATIONS (C) 0.1% Other Securities 0.1 7,018 Total U.S. Treasury Obligations (Cost $7,017) 7,018 Total Investments 101.4% (Cost $4,036,231) $ 4,839,449 ( SEC ). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) ; and (ii) on the SEC s website at The following is a list of the level of inputs used as of, in valuing the Fund s investments and other financial instruments carried at value : Investments in Securities Level 1 Level 2 Level 3 Total Common Stock $4,622,582 $ $ $4,622,582 Affiliated Partnership 67,687 67,687 Cash Equivalent 142, ,162 U.S. Treasury Obligations 7,018 7,018 Total Investments in Securities $4,764,744 $74,705 $ $4,839,449 Other Financial Instruments Level 1 Level 2 Level 3 Total Futures Contracts* Unrealized Appreciation $ 5,795 $ $ $ 5,795 * Futures contracts are valued at the unrealized appreciation on the instrument. For the period, there were no transfers between Level 1 and Level 2 assets and liabilities. For the period ended, there were no transfers between Level 2 and Level 3 assets and liabilities. For more information on valuation inputs, see Note 2 Significant Accounting Policies in Notes to Financial Statements. Amounts designated as are $0 or have been rounded to $0. The accompanying notes are an integral part of the financial statements. A list of the open futures contracts held by the Fund at, is as follows: Type of Contract Number of Contracts Long Expiration Date Unrealized Appreciation S&P 500 Index EMINI 947 Dec-2014 $5,795 For the period ended, the total amount of all open futures contracts, as presented in the table above, is representative of the volume of activity for this derivative type during the period. Percentages are based on Net Assets of $4,770,613. * Non-income producing security. ** The rate reported is the 7-day effective yield as of. Investment in Affiliated Security (see Note 6). (A) Certain securities or partial positions of certain securities are on loan at (see Note 12). The total value of securities on loan at was $65,951. (B) This security was purchased with cash collateral held from securities on loan (see Note 12). The total value of such securities as of was $67,687. (C) Security, or a portion thereof, has been pledged as collateral on open future contracts. Cl Class L.P. Limited Partnership S&P Standard & Poor s The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund s net assets. Other Securities represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission 6 SEI Institutional Investments Trust / Semi-Annual Report /

9 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) Large Cap Index Fund Sector Weightings : 18.5% Information Technology 16.3% Financials 13.5% Health Care 12.1% Consumer Discretionary 10.7% Industrials 8.7% Consumer Staples 7.3% Energy 3.4% Materials 3.1% Affiliated Partnership 3.0% Utilities 2.1% Telecommunication Services 1.2% Cash Equivalent 0.1% U.S. Treasury Obligation Percentages are based on total investments. Includes investments held as collateral for securities on loan (see Note 12). Percentage of Net Assets (%) COMMON STOCK (A) 98.6% Shares Consumer Discretionary 12.5% Amazon.com* 0.6% 33,689 $ 11,408 Comcast, Cl A ,425 13,258 Home Depot ,715 12,198 McDonald s ,680 8,585 Walt Disney ,372 14,374 Other Securities , ,832 Consumer Staples 8.9% Altria Group ,140 8,953 Coca-Cola ,240 15,970 CVS Caremark ,852 9,579 PepsiCo ,052 13,619 Philip Morris International ,068 12,263 Procter & Gamble ,874 21,963 Wal-Mart Stores ,879 12,508 Other Securities , ,860 Energy 7.6% Chevron ,802 18,595 Exxon Mobil ,438 34,897 Schlumberger ,663 10,027 Other Securities , ,253 Financials 16.8% American Express ,334 7,517 Bank of America ,563 16,078 Berkshire Hathaway, Cl B* ,300 24,430 Citigroup ,604 14,712 Goldman Sachs Group ,075 7,551 JPMorgan Chase ,634 20,432 SEI (B) , Wells Fargo ,566 23,348 Other Securities , ,594 Percentage of Net Assets (%) Shares Health Care 13.9% AbbVie 0.5% 142,576 $ 9,866 Amgen ,958 11,234 Bristol-Myers Squibb ,659 8,778 Celgene* ,860 8,170 Gilead Sciences* ,834 13,827 Johnson & Johnson ,909 27,486 Merck ,243 15,840 Pfizer ,422 17,831 UnitedHealth Group ,920 8,672 Other Securities , ,980 Industrials 11.0% 3M ,733 9,402 Boeing ,391 8,786 General Electric ,023 23,842 Union Pacific ,232 9,486 United Technologies ,190 9,047 Other Securities , ,768 Information Technology 19.1% Apple ,315 64,379 Cisco Systems ,527 12,701 Facebook, Cl A* ,200 13,769 Google, Cl A* ,229 13,853 Google, Cl C* ,529 13,832 Intel ,658 16,638 International Business Machines ,898 13,768 Mastercard, Cl A ,200 7,874 Microsoft ,500 35,451 Oracle ,620 12,495 Qualcomm ,459 11,041 Visa, Cl A ,000 11,619 Other Securities , ,094 Materials 3.5% Other Securities ,724 Telecommunication Services 2.2% AT&T ,733 16,478 Verizon Communications ,576 18,798 Other Securities 0.3 7,128 42,404 Utilities 3.1% Other Securities ,174 Total Common Stock (Cost $1,026,213) 1,895,683 SEI Institutional Investments Trust / Semi-Annual Report / 7

10 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) Large Cap Index Fund (Concluded) Percentage of Net Assets (%) Shares The following is a list of the level of inputs used as of, in valuing the Fund s investments and other financial instruments carried at value : AFFILIATED PARTNERSHIP 3.2% SEI Liquidity Fund, L.P %** (C) 3.2% 60,772,392 $ 60,772 Total Affiliated Partnership (Cost $60,772) 60,772 CASH EQUIVALENT 1.3% SEI Daily Income Trust, Prime Obligation Fund, Cl A 0.010%** ,937,129 24,937 Total Cash Equivalent (Cost $24,937) 24,937 U.S. TREASURY OBLIGATION (D) 0.1% Other Securities 0.1 2,150 Total U.S. Treasury Obligation (Cost $2,150) 2,150 Total Investments 103.2% (Cost $1,114,072) $ 1,983,542 Investments in Securities Level 1 Level 2 Level 3 Total Common Stock $1,895,683 $ $ $1,895,683 Affiliated Partnership 60,772 60,772 Cash Equivalent 24,937 24,937 U.S. Treasury Obligation 2,150 2,150 Total Investments in Securities $1,920,620 $62,922 $ $1,983,542 Other Financial Instruments Level 1 Level 2 Level 3 Total Futures Contracts* Unrealized Appreciation $ 1,150 $ $ $ 1,150 * Futures contracts are valued at the unrealized appreciation on the instrument. For the period ended, there were no transfers between Level 1 and Level 2 assets and liabilities. For the period ended, there were no transfers between Level 2 and Level 3 assets and liabilities. For more information on valuation inputs, see Note 2 Significant Accounting Policies in Note to Financial Statements. Amounts designated as are $0 or have been rounded to $0. The accompanying notes are an integral part of the financial statements. A list of the open futures contracts held by the Fund at, is as follows: Type of Contract Number of Contracts Long Expiration Date Unrealized Appreciation S&P 500 Index EMINI 222 Dec-2014 $1,113 S&P Mid 400 Index EMINI 17 Dec $1,150 For the period ended, the total amount of all open futures contracts, as presented in the table above, is representative of the volume of activity for this derivative type during the period. Percentages are based on Net Assets of $1,921,425. * Non-income producing security. ** The rate reported is the 7-day effective yield as of. Investment in Affiliated Security (see Note 6). (A) Certain securities or partial positions of certain securities are on loan at (see Note 12). The total market value of securities on loan at was $58,788. (B) The Fund may purchase securities of certain companies with which it is affiliated to the extent these companies are represented in its benchmark index. (C) This security was purchased with cash collateral held from securities on loan (see Note 12). The total value of such securities as of was $60,772. (D) Security, or portion thereof, has been pledged as collateral on open futures contracts. Cl Class L.P. Limited Partnership S&P Standard & Poor s The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund s net assets. Other Securities represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission ( SEC ). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) ; and (ii) on the SEC s website at 8 SEI Institutional Investments Trust / Semi-Annual Report /

11 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) S&P 500 Index Fund Sector Weightings : 19.7% Information Technology 16.1% Financials 14.1% Health Care 11.8% Consumer Discretionary 10.3% Industrials 9.7% Consumer Staples 8.3% Energy 3.2% Materials 3.1% Utilities 2.4% Telecommunication Services 0.9% Affiliated Partnership 0.4% Cash Equivalent 0.0% U.S. Treasury Obligation Percentages are based on total investments. Includes investments held as collateral for securities on loan (see Note 12). Percentage of Net Assets (%) COMMON STOCK (A) 99.3% Shares Consumer Discretionary 11.9% Amazon.com* 0.7% 37,364 $ 12,653 Comcast, Cl A ,100 14,551 Home Depot ,600 13,180 McDonald s ,700 9,361 Walt Disney ,700 14,404 Other Securities , ,974 Consumer Staples 9.8% Altria Group ,200 9,811 Coca-Cola ,300 17,452 CVS Caremark ,100 10,424 PepsiCo ,500 14,865 Philip Morris International ,000 13,387 Procter & Gamble ,700 24,118 Wal-Mart Stores ,600 13,621 Other Securities , ,453 Energy 8.3% Chevron ,000 20,359 ConocoPhillips ,000 7,994 Exxon Mobil ,248 38,049 Schlumberger ,700 10,976 Other Securities , ,210 Financials 16.2% American Express ,500 8,179 Bank of America 1.0 1,037,100 17,672 Berkshire Hathaway, Cl B* ,550 26,697 Citigroup ,900 16,132 JPMorgan Chase ,100 22,325 Percentage of Net Assets (%) Shares Wells Fargo 1.4% 468,000 $ 25,497 Other Securities , ,611 Health Care 14.2% AbbVie ,800 10,851 Amgen ,800 12,365 Bristol-Myers Squibb ,100 9,631 Celgene* ,700 8,947 Gilead Sciences* ,000 14,948 Johnson & Johnson ,900 30,083 Merck ,500 17,184 Pfizer ,400 19,481 UnitedHealth Group ,600 9,429 Other Securities , ,073 Industrials 10.4% 3M ,800 10,214 Boeing ,000 8,868 General Electric ,500 26,185 Union Pacific ,400 10,323 United Technologies ,700 9,214 Other Securities , ,960 Information Technology 19.8% Apple ,111 70,182 Cisco Systems ,600 13,892 Facebook, Cl A* ,400 15,959 Google, Cl A* ,045 15,399 Google, Cl C* ,045 15,196 Intel ,300 18,189 International Business Machines ,460 14,832 Mastercard, Cl A ,860 8,455 Microsoft ,900 38,817 Oracle ,500 13,592 Qualcomm ,100 12,036 Visa, Cl A ,500 12,522 Other Securities , ,366 Materials 3.2% Other Securities ,278 Telecommunication Services 2.4% AT&T ,500 18,097 Verizon Communications ,900 20,686 Other Securities 0.3 4,989 43,772 SEI Institutional Investments Trust / Semi-Annual Report / 9

12 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) S&P 500 Index Fund (Concluded) Percentage of Net Assets (%) Shares Utilities 3.1% Other Securities 3.1% $ 56,324 Total Common Stock (Cost $1,690,981) 1,815,021 AFFILIATED PARTNERSHIP 0.9% SEI Liquidity Fund, L.P %** (B) ,499,744 16,500 Total Affiliated Partnership (Cost $16,500) 16,500 CASH EQUIVALENT 0.4% SEI Daily Income Trust, Prime Obligation Fund, Cl A 0.010%** 0.4 7,664,868 7,665 Total Cash Equivalent (Cost $7,665) 7,665 U.S. TREASURY OBLIGATION (C) 0.1% Other Securities 0.1 1,100 Total U.S. Treasury Obligation (Cost $1,100) 1,100 Total Investments 100.7% (Cost $1,716,246) $ 1,840,286 ( SEC ). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) ; and (ii) on the SEC s website at The following is a list of the level of inputs used as of, in valuing the Fund s investments and other financial instruments carried at value : Investments in Securities Level 1 Level 2 Level 3 Total Common Stock $1,815,021 $ $ $1,815,021 Affiliated Partnership 16,500 16,500 Cash Equivalent 7,665 7,665 U.S. Treasury Obligation 1,100 1,100 Total Investments in Securities $1,822,686 $17,600 $ $1,840,286 Other Financial Instruments Level 1 Level 2 Level 3 Total Futures Contracts* Unrealized Appreciation $600 $ $ $600 * Futures contracts are valued at the unrealized appreciation on the instrument. For the period ended, there were no transfers between Level 1 and Level 2 assets and liabilities. For the period ended, there were no transfers between Level 2 and Level 3 assets and liabilities. For more information on valuation inputs, see Note 2 Significant Accounting Policies in Notes to Financial Statements. Amounts designated as are $0 or have been rounded to $0. The accompanying notes are an integral part of the financial statements. A list of the open futures contracts held by the Fund at, is as follows: Type of Contract Number of Contracts Long Expiration Date Unrealized Appreciation S&P 500 Index EMINI 134 Dec-2014 $600 For the period ended, the total amount of all open futures contracts, as presented in the table above, is representative of the volume of activity for this derivative type during the period. Percentages are based on Net Assets of $1,828,162. * Non-income producing security. ** The rate reported is the 7-day effective yield as of. Investment in Affiliated Security (see Note 6). (A) Certain securities or partial positions of certain securities are on loan at (see Note 12). The total market value of securities on loan at was $15,917. (B) This security was purchased with cash collateral held from securities on loan (see Note 12). The total value of such securities as of was $16,500. (C) Security, or a portion thereof, has been pledged as collateral on open futures contracts. Cl Class L.P. Limited Partnership S&P Standard & Poor s The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund s net assets. Other Securities represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission 10 SEI Institutional Investments Trust / Semi-Annual Report /

13 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) Extended Market Index Fund Sector Weightings : 20.6% Financials 15.1% Information Technology 14.2% Consumer Discretionary 13.2% Industrials 11.5% Health Care 7.5% Affiliated Partnership 4.7% Materials 4.1% Energy 3.0% Utilities 2.7% Consumer Staples 2.4% Cash Equivalent 0.9% Telecommunication Services 0.1% U.S. Treasury Obligations 0.0% Warrants 0.0% Rights Percentages based on total investments. Includes investments held as collateral for securities on loan (see Note 12). COMMON STOCK 97.2% Percentage of Net Assets (%) Shares Consumer Discretionary 15.4% Advance Auto Parts 0.2% 8,999 $ 1,324 Charter Communications, Cl A* 0.3 9,765 1,657 DISH Network, Cl A* ,119 2,154 Hanesbrands ,238 1,416 Las Vegas Sands ,704 2,975 Liberty Interactive, Cl A* ,616 1,825 Polaris Industries 0.2 8,107 1,270 Royal Caribbean Cruises ,408 1,505 Signet Jewelers ,155 1,330 Sirius XM Holdings* ,779 1,150 Tesla Motors* (A) ,079 2,954 Thomson Reuters ,785 1,734 TRW Automotive Holdings* ,593 1,405 Other Securities ,506 87,205 Consumer Staples 2.9% Bunge ,143 1,647 Church & Dwight ,699 1,281 Other Securities ,417 16,345 Energy 4.4% Cheniere Energy* ,465 1,944 Concho Resources* ,342 1,366 Other Securities ,569 24,879 Financials 22.2% Annaly Capital Management ,314 1,340 CIT Group ,637 1,153 Digital Realty Trust ,074 1,200 Federal Realty Investment Trust 0.2 8,486 1,126 Percentage of Net Assets (%) Shares Markel* 0.2% 1,713 $ 1,194 Realty Income (A) ,136 1,261 SEI (B) , SL Green Realty ,740 1,363 TD Ameritrade Holding ,873 1,172 Other Securities , ,383 Health Care 12.5% BioMarin Pharmaceutical* ,946 1,610 Catamaran* ,507 1,350 Endo International* (A) ,211 1,406 HCA Holdings* ,380 2,884 Henry Schein* ,943 1,501 Illumina* ,679 3,375 Incyte* ,171 1,373 Jazz Pharmaceuticals* 0.2 7,634 1,352 Medivation* 0.2 9,904 1,148 Other Securities ,836 70,835 Industrials 14.3% American Airlines Group ,123 4,422 Hertz Global Holdings* ,014 1,354 TransDigm Group 0.2 6,505 1,287 United Continental Holdings* ,352 2,899 Verisk Analytics, Cl A* ,372 1,263 Other Securities ,091 81,316 Information Technology 16.3% Activision Blizzard ,706 1,314 Equinix 0.3 6,961 1,581 FleetCor Technologies* ,573 1,606 LinkedIn, Cl A* ,206 2,988 ServiceNow* ,169 1,162 Skyworks Solutions ,265 1,637 Twitter* ,400 2,479 Other Securities ,139 92,906 Materials 5.1% Celanese, Cl A ,092 1,147 Other Securities ,624 28,771 Telecommunication Services 0.9% SBA Communications, Cl A* ,919 1,937 Other Securities 0.6 3,431 5,368 SEI Institutional Investments Trust / Semi-Annual Report / 11

14 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) Extended Market Index Fund (Concluded) Percentage of Net Assets (%) Shares Utilities 3.2% American Water Works 0.2% 21,918 $ 1,163 Calpine* ,872 1,191 Other Securities ,059 18,413 Total Common Stock (Cost $489,610) 552,421 RIGHTS 0.0% Bermuda 0.0% Other Securities 0.0 United States 0.0% Other Securities 0.0 Total Rights (Cost $ ) WARRANTS 0.0% Other Securities 0.0 Total Warrants (Cost $ ) AFFILIATED PARTNERSHIP 8.1% SEI Liquidity Fund, L.P %** (C) ,826,891 45,827 Total Affiliated Partnership (Cost $45,827) 45,827 CASH EQUIVALENT 2.6% SEI Daily Income Trust, Prime Obligation Fund, Cl A 0.010%** ,657,142 14,657 Total Cash Equivalent (Cost $14,657) 14,657 U.S. TREASURY OBLIGATIONS (D) 0.1% Other Securities Total U.S. Treasury Obligations (Cost $930) 930 Total Investments 108.0% (Cost $551,024) $ 613,835 For the period ended, the total amount of all open futures contracts, as presented in the table above, is representative of the volume of activity for this derivative type during the period. Percentages are based on Net Assets of $568,255. * Non-income producing security. ** The rate reported is the 7-day effective yield as of. Real Estate Investment Trust. Investment in Affiliated Security (see Note 6). (A) This security or a partial position of this security is on loan at (see Note 12). The total value of securities on loan at was $43,302. (B) The Fund may purchase securities of certain companies with which it is affiliated to the extent these companies are represented in its benchmark index. (C) This security was purchased with cash collateral held from securities on loan (see Note 12). The total value of such securities as of was $45,827. (D) Security, or portion thereof, has been pledged as collateral on open futures contracts. Cl Class L.P. Limited Partnership S&P Standard & Poor s The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund s net assets. Other Securities represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission ( SEC ). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) ; and (ii) on the SEC s website at The following is a list of the level of inputs used as of, in valuing the Fund s investments and other financial instruments carried at value : Investments in Securities Level 1 Level 2 Level 3 Total Common Stock $552,421 $ $ $552,421 Rights Warrants Affiliated Partnership 45,827 45,827 Cash Equivalent 14,657 14,657 U.S. Treasury Obligations Total Investments in Securities $567,078 $46,757 $ $613,835 Other Financial Instruments Level 1 Level 2 Level 3 Total Futures Contracts* Unrealized Appreciation $ 243 $ $ $ 243 * Futures contracts are valued at the unrealized appreciation on the instrument. For the period ended, there were no transfers between Level 1 and Level 2 assets and liabilities. For the period ended, there were no transfers between Level 2 and Level 3 assets and liabilities. For more information on valuation inputs, see Note 2 Significant Accounting Policies in Note to Financial Statements. Amounts designated as are $0 or have been rounded to $0. The accompanying notes are an integral part of the financial statements. A list of the open futures contracts held by the Fund at, is as follows: Type of Contract Number of Contracts Long Expiration Date Unrealized Appreciation Russell 2000 Index EMINI 54 Dec-2014 $ 90 S&P Mid 400 Index EMINI 66 Dec $ SEI Institutional Investments Trust / Semi-Annual Report /

15 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) Small Cap Fund Sector Weightings : 18.2% Financials 16.7% Information Technology 13.9% Industrials 12.5% Health Care 12.4% Affiliated Partnership 10.1% Consumer Discretionary 3.8% Energy 3.7% Cash Equivalent 3.2% Materials 2.1% Consumer Staples 1.7% Utilities 1.0% Exchange Traded Funds 0.5% Telecommunication Services 0.2% U.S. Treasury Obligations 0.0% Convertible Bond 0.0% Rights Percentages are based on total investments. Includes investments held as collateral for securities on loan (see Note 12). COMMON STOCK 94.5% Percentage of Net Assets (%) Shares Consumer Discretionary 11.6% Five Below* (A) 0.6% 87,404 $ 4,078 Jack in the Box ,186 2,249 Vitamin Shoppe* ,010 2,298 Wolverine World Wide (A) ,486 2,273 Other Securities ,262 76,160 Consumer Staples 2.4% Casey s General Stores ,543 1,971 Other Securities ,582 15,553 Energy 4.3% Other Securities ,562 Financials 20.9% Bank of the Ozarks ,011 2,100 CNO Financial Group ,700 2,856 EastGroup Properties ,680 2,062 Geo Group ,300 1,906 Hanover Insurance Group ,586 2,608 Highwoods Properties ,697 2,188 Horace Mann Educators ,410 2,423 Nelnet, Cl A ,900 2,104 Platinum Underwriters Holdings ,816 3,176 Popular* ,600 1,945 Other Securities , ,237 Health Care 14.3% Acadia Healthcare* (A) ,253 3,984 Akorn* ,112 2,849 HealthSouth ,186 3,092 Insulet* ,714 1,943 Percentage of Net Assets (%) Shares Isis Pharmaceuticals* (A) 0.6% 70,311 $ 3,641 LDR Holding* (A) ,792 1,918 Puma Biotechnology* ,719 2,660 Other Securities ,697 93,784 Industrials 15.9% Carlisle ,549 1,927 Curtiss-Wright ,530 2,165 EMCOR Group ,821 3,157 G&K Services, Cl A ,088 1,894 Great Lakes Dredge & Dock ,600 1,998 H&E Equipment Services ,782 2,057 JetBlue Airways* (A) ,800 2,133 Middleby* ,524 2,632 Swift Transportation, Cl A* ,923 2,265 TrueBlue* ,693 2,403 Other Securities , ,546 Information Technology 19.1% Aspen Technology* ,654 2,553 Belden ,251 2,428 Cavium* (A) ,941 3,053 Dealertrack Technologies* (A) ,848 2,681 Demandware* (A) ,617 2,218 Envestnet* ,560 3,456 Euronet Worldwide* ,678 2,246 Guidewire Software* (A) ,378 2,845 PTC* ,944 1,912 RF Micro Devices* (A) ,981 2,045 Ruckus Wireless* ,247 2,306 Spansion, Cl A* ,291 2,250 WEX* ,091 2,272 Other Securities , ,908 Materials 3.6% Sensient Technologies ,869 1,997 Other Securities ,945 23,942 Telecommunication Services 0.5% Other Securities 0.5 3,529 Utilities 1.9% Portland General Electric (A) ,675 2,458 Other Securities ,304 12,762 Total Common Stock (Cost $528,653) 621,983 SEI Institutional Investments Trust / Semi-Annual Report / 13

16 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) Small Cap Fund (Concluded) Percentage of Net Assets (%) Shares EXCHANGE TRADED FUNDS 1.2% ishares Russell 2000 Fund (A) 0.3% 16,594 $ 1,938 ishares Russell 2000 Growth Fund (A) ,130 1,959 ishares Russell 2000 Value Fund (A) ,600 3,848 Total Exchange Traded Funds (Cost $7,341) 7,745 CONVERTIBLE BOND 0.0% Consumer Discretionary 0.0% Other Securities Total Convertible Bond (Cost $444) 4 RIGHTS 0.0% Other Securities 0.0 Total Rights (Cost $ ) AFFILIATED PARTNERSHIP 14.1% SEI Liquidity Fund, L.P %** (B) ,050,202 93,050 Total Affiliated Partnership (Cost $93,050) 93,050 CASH EQUIVALENT 4.2% SEI Daily Income Trust, Prime Obligation Fund, Cl A 0.010%** ,845,607 27,846 Total Cash Equivalent (Cost $27,846) 27,846 U.S. TREASURY OBLIGATIONS (C) 0.2% Other Securities 0.2 1,271 Total U.S. Treasury Obligations (Cost $1,271) 1,271 Total Investments 114.2% (Cost $658,605) $ 751,899 Percentages are based on Net Assets of $658,200. * Non-income producing security. ** The rate reported is the 7-day effective yield as of. Real Estate Investment Trust. Investment in Affiliated Security (see Note 6). (A) This security or a partial position of this security is on loan at (see Note 12). The total value of securities on loan at was $88,440. (B) This security was purchased with cash collateral held from securities on loan (see Note 12). The total value of such securities as of was $93,050. (C) Security, or portion thereof, has been pledged as collateral on open futures contracts. Cl Class L.P. Limited Partnership The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund s net assets. Other Securities represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission ( SEC ). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) ; and (ii) on the SEC s website at The following is a list of the level of inputs used as of, in valuing the Fund s investments and other financial instruments carried at value : Investments in Securities Level 1 Level 2 Level 3 (1) Total Common Stock $621,983 $ $ $621,983 Exchange Traded Funds 7,745 7,745 Convertible Bond 4 4 Rights Affiliated Partnership 93,050 93,050 Cash Equivalent 27,846 27,846 U.S. Treasury Obligations 1,271 1,271 Total Investments in Securities $657,574 $94,321 $ 4 $751,899 Other Financial Instruments Level 1 Level 2 Level 3 Total Futures Contracts* Unrealized Depreciation $ (14) $ $ $ (14) (1) A reconciliation of Level 3 investments is presented when the Fund has a significant amount of Level 3 investments at the beginning and/or end of the period in relation to the net assets. Management has concluded that Level 3 investments are not material in relation to net assets. * Futures contracts are valued at the unrealized depreciation on the instrument. For the period ended, there were no transfers between Level 1 and Level 2 assets and liabilities. For the period ended, there were no transfers between Level 2 and Level 3 assets and liabilities. For more information on valuation inputs, see Note 2 Significant Accounting Policies in Notes to Financial Statements. Amounts designated as are $0 or have been rounded to $0. The accompanying notes are an integral part of the financial statements. A list of the open futures contracts held by the Fund at, is as follows: Type of Contract Number of Contracts Long Expiration Date Unrealized Depreciation Russell 2000 Index EMINI 94 Dec-2014 $(14) For the period ended, the total amount of all open futures contracts, as presented in the table above, is representative of the volume of activity for this derivative type during the period. 14 SEI Institutional Investments Trust / Semi-Annual Report /

17 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) Small Cap II Fund Sector Weightings : 18.6% Information Technology 16.9% Financials 14.7% Health Care 13.4% Industrials 11.3% Consumer Discretionary 8.8% Affiliated Partnership 3.8% Materials 3.5% Cash Equivalent 3.3% Energy 2.4% Utilities 2.3% Consumer Staples 0.4% Telecommunication Services 0.4% Exchange Traded Funds 0.2% U.S. Treasury Obligations 0.0% Rights Percentages are based on total investments. Includes investments held as collateral for securities on loan (see Note 12). COMMON STOCK 95.4% Percentage of Net Assets (%) Shares Consumer Discretionary 12.4% Bright Horizons Family Solutions* 0.4% 27,274 $ 1,219 Buffalo Wild Wings* 0.4 6,410 1,091 Core-Mark Holdings ,800 1,010 Fiesta Restaurant Group* ,440 1,034 Five Below* (A) ,012 1,867 Jack in the Box ,113 1,424 Pool ,280 1,324 Shutterfly* ,719 1,014 Vail Resorts ,137 1,239 Other Securities ,814 36,036 Consumer Staples 2.5% Casey s General Stores ,532 1,049 Other Securities 2.1 6,197 7,246 Energy 3.6% Other Securities ,333 Financials 18.4% Hanover Insurance Group ,232 1,513 Horace Mann Educators ,047 1,285 Iberiabank ,141 1,446 Lexington Realty Trust , Platinum Underwriters Holdings ,424 1,589 Stifel Financial* ,020 1,020 TCF Financial ,327 1,309 Other Securities ,428 53,578 Health Care 16.1% Acadia Healthcare* (A) ,546 1,646 Akorn* ,511 1,743 Percentage of Net Assets (%) Shares Amsurg, Cl A* 0.5% 31,643 $ 1,632 Charles River Laboratories International* ,680 1,469 DexCom* ,726 1,067 Globus Medical, Cl A* ,760 1,100 HealthSouth ,614 1,876 Isis Pharmaceuticals* (A) ,850 2,064 Prestige Brands Holdings* ,868 1,099 Puma Biotechnology* 0.4 4,908 1,114 Other Securities ,821 46,631 Industrials 14.7% Actuant, Cl A ,468 1,129 Curtiss-Wright ,340 2,009 EMCOR Group ,513 1,063 H&E Equipment Services ,866 1,500 Swift Transporation, Cl A* (A) ,122 1,050 TrueBlue* ,620 1,391 Other Securities ,585 42,727 Information Technology 20.4% Aspen Technology* ,916 1,582 Cavium* (A) ,956 1,356 Dealertrack Technologies* ,522 1,817 Envestnet* ,851 1,373 Euronet Worldwide* ,582 1,021 Guidewire Software* (A) ,547 1,037 PTC* ,660 1,315 Qlik Technologies* , RF Micro Devices* (A) ,092 1,565 Ruckus Wireless* ,682 1,131 SolarWinds* ,385 1,474 Spansion, Cl A* ,388 1,481 WEX* 0.4 9,605 1,086 Other Securities ,087 59,304 Materials 4.2% Berry Plastics Group* ,867 1,501 Sensient Technologies ,321 1,257 Other Securities 3.3 9,481 12,239 Telecommunication Services 0.5% Other Securities 0.5 1,348 SEI Institutional Investments Trust / Semi-Annual Report / 15

18 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) Small Cap II Fund (Concluded) Percentage of Net Assets (%) Shares Utilities 2.6% Portland General Electric (A) 0.3% 27,355 $ 1,009 Other Securities 2.3 6,579 7,588 Total Common Stock (Cost $235,487) 277,030 EXCHANGE TRADED FUNDS 0.5% ishares Russell 2000 Fund (A) 0.4 9,814 1,146 Other Securities Total Exchange Traded Funds (Cost $1,112) 1,324 RIGHTS 0.0% Other Securities 0.0 Total Rights (Cost $ ) AFFILIATED PARTNERSHIP 9.6% SEI Liquidity Fund, L.P %** (B) ,839,242 27,839 Total Affiliated Partnership (Cost $27,839) 27,839 CASH EQUIVALENT 3.8% SEI Daily Income Trust, Prime Obligation Fund, Cl A 0.010%** ,110,437 11,110 Total Cash Equivalent (Cost $11,110) 11,110 U.S. TREASURY OBLIGATIONS (C) 0.2% Other Securities Total U.S. Treasury Obligations (Cost $604) 604 Total Investments 109.5% (Cost $276,152) $ 317,907 Percentages are based on Net Assets of $290,404. * Non-income producing security. ** The rate reported is the 7-day effective yield as of. Real Estate Investment Trust. Investment in Affiliated Security (see Note 6). (A) This security or a partial position of this security is on loan at (see Note 12). The total value of securities on loan at was $26,552. (B) This security was purchased with cash collateral held from securities on loan (see Note 12). The total value of such securities as of was $27,839. (C) Security, or portion thereof, has been pledged as collateral on open futures contracts. Cl Class L.P. Limited Partnership The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund s net assets. Other Securities represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission ( SEC ). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) ; and (ii) on the SEC s website at The following is a list of the level of inputs used as of, in valuing the Fund s investments and other financial instruments carried at value : Investments in Securities Level 1 Level 2 Level 3 Total Common Stock $277,030 $ $ $277,030 Exchange Traded Funds 1,324 1,324 Rights Affiliated Partnership 27,839 27,839 Cash Equivalent 11,110 11,110 U.S. Treasury Obligations Total Investments in Securities $289,464 $28,443 $ $317,907 Other Financial Instruments Level 1 Level 2 Level 3 Total Futures Contracts* Unrealized Appreciation $ 328 $ $ $ 328 * Futures contracts are valued at the unrealized appreciation on the instrument. For the period ended, there were no transfers between Level 1 and Level 2 assets and liabilities. For the period ended, there were no transfers between Level 2 and Level 3 assets and liabilities. For more information on valuation inputs, see Note 2 Significant Accounting Policies in Notes to Financial Statements. Amounts designated as are $0 or have been rounded to $0. The accompanying notes are an integral part of the financial statements. A list of the open futures contracts held by the Fund at, is as follows: Type of Contract Number of Contracts Long Expiration Date Unrealized Appreciation Russell 2000 Index EMINI 62 Dec-2014 $328 For the period ended, the total amount of all open futures contracts, as presented in the table above, is representative of the volume of activity for this derivative type during the period. 16 SEI Institutional Investments Trust / Semi-Annual Report /

19 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) Small/Mid Cap Equity Fund Sector Weightings : 19.0% Financials 14.8% Information Technology 14.4% Industrials 13.2% Affiliated Partnership 12.3% Consumer Discretionary 10.6% Health Care 3.7% Cash Equivalent 3.1% Energy 2.9% Materials 2.6% Utilities 1.9% Consumer Staples 1.1% Exchange Traded Funds 0.3% Telecommunication Services 0.1% U.S. Treasury Obligation 0.0% Rights Percentages are based on total investments. Includes investments held as collateral for securities on loan (see Note 12). Percentage of Net Assets (%) Shares Percentage of Net Assets (%) Shares Zions Bancorporation 0.4% 267,943 $ 7,519 Other Securities , ,791 Health Care 12.2% Acadia Healthcare* (A) ,603 10,083 Akorn* ,741 7,002 Charles River Laboratories International* ,494 6,313 DexCom* ,121 7,674 HealthSouth ,643 6,361 Insulet* (A) ,139 7,601 Isis Pharmaceuticals* (A) ,421 5,822 Other Securities , ,034 COMMON STOCK 94.3% Consumer Discretionary 14.1% Brunswick 0.4% 138,794 $ 6,895 Carter s ,902 7,314 Five Below* (A) ,700 9,738 Imax* ,284 5,657 National CineMedia ,817 5,633 Sally Beauty Holdings* ,127 7,948 Wolverine World Wide ,184 7,938 Other Securities , ,744 Consumer Staples 2.2% Casey s General Stores ,747 5,588 Other Securities ,261 40,849 Energy 3.6% Other Securities ,303 Financials 21.8% American Financial Group ,880 7,058 Bank of the Ozarks ,912 7,237 CNO Financial Group ,354 7,792 Huntington Bancshares ,440 6,879 KeyCorp ,315 6,133 Lexington Realty Trust ,333 5,790 LPL Financial Holdings ,836 5,753 PacWest Bancorp ,199 6,380 Pebblebrook Hotel Trust ,163 5,490 Popular* ,039 6,040 Western Alliance Bancorp* ,457 5,589 Industrials 16.6% Clean Harbors* (A) ,453 8,623 Corporate Executive Board ,065 6,886 EMCOR Group ,978 5,634 HEICO, Cl A ,161 6,071 Old Dominion Freight Line* ,437 6,762 Swift Transporation, Cl A* (A) ,847 8,804 TrueBlue* ,397 6,573 WESCO International* (A) ,097 5,858 Other Securities , ,813 Information Technology 17.1% Cadence Design Systems* (A) ,626 11,523 CoStar Group* ,439 5,864 Dealertrack Technologies* (A) ,554 6,487 Demandware* (A) ,214 6,060 Envestnet* ,265 6,970 Euronet Worldwide* ,429 5,425 PTC* ,333 7,397 SolarWinds* ,922 8,667 Solera Holdings ,153 7,277 SS&C Technologies Holdings ,520 9,378 WEX* ,026 7,466 Other Securities , ,338 Materials 3.4% PolyOne ,383 8,295 Other Securities ,217 63,512 Telecommunication Services 0.4% Other Securities 0.4 7,233 SEI Institutional Investments Trust / Semi-Annual Report / 17

20 SUMMARY SCHEDULE OF INVESTMENTS (Unaudited) Small/Mid Cap Equity Fund (Concluded) Percentage of Net Assets (%) Shares Utilities 3.0% Portland General Electric (A) 0.5% 266,335 $ 9,820 Other Securities ,817 57,637 Total Common Stock (Cost $1,367,094) 1,783,254 EXCHANGE TRADED FUNDS 1.3% ishares Russell 2000 Fund (A) ,858 13,062 ishares Russell 2000 Growth Fund (A) ,463 8,523 ishares Russell 2000 Value Fund (A) ,600 2,752 Total Exchange Traded Funds (Cost $23,327) 24,337 RIGHTS 0.0% United States 0.0% Other Securities 0.0 Total Rights (Cost $ ) AFFILIATED PARTNERSHIP 15.2% SEI Liquidity Fund, L.P %* (B) ,099, ,100 Total Affiliated Partnership (Cost $287,100) 287,100 CASH EQUIVALENT 4.2% SEI Daily Income Trust, Prime Obligation Fund, Cl A 0.010%** ,294,477 80,294 Total Cash Equivalent (Cost $80,294) 80,294 U.S. TREASURY OBLIGATION (C) 0.1% Other Securities 0.1 2,566 Total U.S. Treasury Obligation (Cost $2,566) 2,566 Total Investments 115.1% (Cost $1,760,381) $ 2,177,551 A list of the open futures contracts held by the Fund at, is as follows: Type of Contract Number of Contracts Long Expiration Date Unrealized Appreciation Russell 2000 Index EMINI 111 Dec-2014 $427 S&P Mid 400 Index EMINI 93 Dec $869 For the period ended, the total amount of all open futures contracts, as presented in the table above, is representative of the volume of activity for this derivative type during the period. Percentages are based on Net Assets of $1,891,071. * Non-income producing security. ** The rate reported is the 7-day effective yield as of. Real Estate Investment Trust. Investment in Affiliated Security (see Note 6). (A) This security or a partial position of this security is on loan at (see Note 12). The total value of securities on loan at was $276,077. (B) This security was purchased with cash collateral held from securities on loan (see Note 12). The total value of such securities as of was $287,100. (C) Security, or portion thereof, has been pledged as collateral on open futures contracts. Cl Class L.P. Limited Partnership S&P Standard & Poor s The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund s net assets. Other Securities represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission ( SEC ). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) ; and (ii) on the SEC s website at The following is a list of the level of inputs used as of, in valuing the Fund s investments and other financial instruments carried at value : Investments in Securities Level 1 Level 2 Level 3 Total Common Stock $1,783,254 $ $ $1,783,254 Exchange Traded Funds 24,337 24,337 Rights Affiliated Partnership 287, ,100 Cash Equivalent 80,294 80,294 U.S. Treasury Obligation 2,566 2,566 Total Investments in Securities $1,887,885 $289,666 $ $2,177,551 Other Financial Instruments Level 1 Level 2 Level 3 Total Futures Contracts* Unrealized Appreciation $ 869 $ $ $ 869 * Futures contracts are valued at the unrealized appreciation on the instrument. For the period ended, there were no transfers between Level 1 and Level 2 assets and liabilities. For the period ended, there were no transfers between Level 2 and Level 3 assets and liabilities. For more information on valuation inputs, see Note 2 Significant Accounting Policies in Notes to Financial Statements. Amounts designated as are either $0 or have been rounded to $0. The accompanying notes are an integral part of the financial statements. 18 SEI Institutional Investments Trust / Semi-Annual Report /