NPORT-P false 0000836487 XXXXXXXX S000002825 C000007744 C000007745 C000104303 C000129402 C000155889 MORGAN STANLEY INSTITUTIONAL FUND INC 811-05624 0000836487 54930067DYRSUSGS4E97 1585 Broadway NEW YORK 10036 800-869-6397 Inception Portfolio S000002825 549300WOFYLA3ZLHHA34 2026-12-31 2026-06-30 N 292461637.25 10302638.62 282158998.63 0.00000000 5648829.95000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 1714.03000000 UST Securities Portfolio SEC_PORT agilon health Inc N/A 00857U206 239593.00000000 NS USD 25679577.74000000 9.101101813050 Long EC CORP US N 1 N N N Arbutus Biopharma Corp 25490064CESONAUIAS23 03879J100 1626723.00000000 NS USD 7808270.40000000 2.767329923168 Long EC CORP CA N 1 N N N AtaiBeckley Inc 529900HOVZ0MXOBQ5Y47 04650F101 790333.00000000 NS USD 4165054.91000000 1.476137543095 Long EC CORP US N 1 N N N Aurora Innovation Inc 984500AB2E0D9F7D9D76 051774107 2719325.00000000 NS USD 18545796.50000000 6.572817663107 Long EC CORP US N 1 N N N Beam Therapeutics Inc N/A 07373V105 49415.00000000 NS USD 1695922.80000000 0.601052175629 Long EC CORP US N 1 N N N Bed Bath & Beyond Inc 549300ACR0DL9U7EI710 075896159 4442.00000000 NS USD 1865.64000000 0.000661201666 N/A DE US N 1 N/A N/A Call Purchased Bed Bath & Beyond, Inc. 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Opendoor Technologies, Inc. 1.00000000 9.00000000 USD 2026-11-20 XXXX 17740.31000000 N N N Opendoor Technologies Inc 254900KX11YZ4HV5BQ47 683712137 35839.00000000 NS USD 10135.27000000 0.003592042093 N/A DE US N 1 N/A N/A Call Purchased Opendoor Technologies, Inc. Opendoor Technologies, Inc. 1.00000000 13.00000000 USD 2026-11-20 XXXX 10135.27000000 N N N Opendoor Technologies Inc 254900KX11YZ4HV5BQ47 683712145 35839.00000000 NS USD 8601.36000000 0.003048408890 N/A DE US N 1 N/A N/A Call Purchased Opendoor Technologies, Inc. Opendoor Technologies, Inc. 1.00000000 17.00000000 USD 2026-11-20 XXXX 8601.36000000 N N N ProKidney Corp N/A 74291D104 292440.00000000 NS USD 596577.60000000 0.211433129156 Long EC CORP US N 1 N N Recursion Pharmaceuticals Inc N/A 75629V104 76329.00000000 NS USD 280127.43000000 0.099279991550 Long EC CORP US N 1 N N N Schrodinger Inc/United States 984500044BAE4791E559 80810D103 29802.00000000 NS USD 484282.50000000 0.171634611106 Long EC CORP US N 1 N N N Shake Shack Inc 529900J74GJAHYP80N79 819047101 10007.00000000 NS USD 560592.14000000 0.198679518541 Long EC CORP US N 1 N N N QXO Inc 549300HDXQWWCBOYXP31 82846H405 460713.00000000 NS USD 7961120.64000000 2.821501592596 Long EC CORP US N 1 N N N SomaLogic Inc 549300D3W3Q8CN30YO25 83444K113 61142.00000000 NS USD 0.00000000 0.000000 N/A DE US N 3 N/A N/A Call Purchased SomaLogic Inc SomaLogic Inc 1.00000000 11.50000000 USD 2026-08-31 XXXX -203425.99000000 N N N Strive Inc 5299001CW992DVDVFV45 862945300 245369.00000000 NS USD 2676975.79000000 0.948747267674 Long EC CORP US N 1 N N Structure Therapeutics Inc N/A 86366E106 16316.00000000 NS USD 875679.72000000 0.310349740483 Long EC CORP KY N 1 N N N 10X Genomics Inc 5493003Z6741WNLG7H43 88025U109 36107.00000000 NS USD 1384342.38000000 0.490624926627 Long EC CORP US N 1 N N N Twenty One Capital Inc N/A 90138L109 303606.00000000 NS USD 1502849.70000000 0.532625118212 Long EC CORP US N 1 N N Vaxcyte Inc 254900M7NMHTGASX8D95 92243G108 11915.00000000 NS USD 692618.95000000 0.245471153981 Long EC CORP US N 1 N N N Included Health, Inc. N/A 000000000 3269139.00000000 NS USD 2648002.59000000 0.938478872854 Long EP CORP US N 3 N N N Morgan Stanley & Co. LLC 549300OJY9IZ31SGS926 61747C525 7821481.45000000 NS USD 7821481.45300000 2.772012053833 Long STIV RF US N 1 N N Via Transportation Inc 5493008VI9XI9EV3A861 92556W104 122599.00000000 NS USD 2223945.86000000 0.788188883146 Long EC CORP US N 1 N N N SWAPS BARCLAYS BOC N/A 000000000 -260000.00000000 NS USD -260000.00000000 -0.09214662699 Short STIV CORP US N 2 N N N WaterBridge Infrastructure LLC N/A 940923105 50425.00000000 NS USD 1728064.75000000 0.612443607466 Long EC CORP US N 1 N N Morgan Stanley & Co. 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CYYGQCGNHMHPSMRL3R97 000000000 566774.01784653 PA USD 566774.01784653 0.200870438511 Long RA CORP US N 2 Repurchase Y 3.64000000 2026-07-01 678507.84772500 USD 578111.75509760 USD UST N N Merrill Lynch, Pierce, Fenner & Smith Incorporated 8NAV47T0Y26Q87Y0QP81 000000000 566774.01784653 PA USD 566774.01784653 0.200870438511 Long RA CORP US N 2 Repurchase Y 3.64000000 2026-07-01 547424.90030000 USD 578110.10238459 USD UST N N LOOKOUT INC SER F CVT PFD PP 5493001FMB46AJ886C96 000000000 1179743.00000000 NS USD 2265106.56000000 0.802776651107 Long EP CORP US N 3 N N N Oxford Nanopore Technologies PLC 213800IRWQ2Q6M2CDW55 000000000 2334214.00000000 NS 3838300.99000000 1.360332652382 Long EC CORP GB N 2 N N N Standard Chartered Bank RILFO74KP1CM8P6PCT96 000000000 109043070.90000000 OU Notional Amount USD 109.04000000 0.000038644877 N/A DFE US N 2 Standard Chartered Bank RILFO74KP1CM8P6PCT96 Call Purchased Standard Chartered Bank RILFO74KP1CM8P6PCT96 Standard Chartered Bank RILFO74KP1CM8P6PCT96 N/A 1.00000000 NC USD 109.04000000 0.00000000 DFE US 826546477.42000000 CNY 109043070.90000000 USD 2026-08-11 1.00000000 7.58000000 USD 2026-08-11 XXXX -356671.92000000 N N N Standard Chartered Bank RILFO74KP1CM8P6PCT96 000000000 118965851.37000000 OU Notional Amount USD 7018.99000000 0.002487600974 N/A DFE US N 2 Standard Chartered Bank RILFO74KP1CM8P6PCT96 Call Purchased Standard Chartered Bank RILFO74KP1CM8P6PCT96 Standard Chartered Bank RILFO74KP1CM8P6PCT96 N/A 1.00000000 NC USD 7018.99000000 0.00000000 DFE US 870473134.47000000 CNY 118965851.37000000 USD 2026-12-17 1.00000000 7.31700000 USD 2026-12-17 XXXX -329654.37000000 N N N Barclays Bank PLC G5GSEF7VJP5I7OUK5573 000000000 106338628.39000000 OU Notional Amount USD 26797.33000000 0.009497244507 N/A DFE US N 2 Barclays Bank PLC G5GSEF7VJP5I7OUK5573 Call Purchased Barclays Bank PLC G5GSEF7VJP5I7OUK5573 Barclays Bank PLC G5GSEF7VJP5I7OUK5573 N/A 1.00000000 NC USD 26797.33000000 0.01000000 DFE US 765957140.29000000 CNY 106338628.39000000 USD 2027-02-12 1.00000000 7.20300000 USD 2027-02-12 XXXX -252597.10000000 N N N Victoria PLC 2138002K6ECECHVCQN25 000000000 1397193.00000000 NS 1185465.70000000 0.420141021819 Long EC CORP GB N 2 N N N Joby Aviation Inc 254900NMVFUM8FO88E56 000000000 301436.00000000 NS USD 2688809.12000000 0.952941119388 Long EC CORP US N 1 N N N Roivant Sciences Ltd 549300DL466NY5J6U724 000000000 140140.00000000 NS USD 4959554.60000000 1.757716260718 Long EC CORP BM N 1 N N N Oddity Tech Ltd 254900QH12XZS53G0V57 000000000 455249.00000000 NS USD 6887917.37000000 2.441147510249 Long EC CORP IL N 1 N N N Newamsterdam Pharma Co NV 984500B6549TF6E14D36 000000000 40364.00000000 NS USD 1367935.96000000 0.484810325611 Long EC CORP NL N 1 N N N uniQure NV 724500RPCTZLFYJZ3S98 000000000 58505.00000000 NS USD 2694740.30000000 0.955043189508 Long EC CORP NL N 1 N N N 2026-07-20 MORGAN STANLEY INSTITUTIONAL FUND INC James F. Kirchner James F. Kirchner Principal Financial Officer