# EDGAR Filing Document

**Accession Number:** 0000836487
**File Stem:** 0001410368-26-018457
**Filing Date:** 2026-2
**Character Count:** 17299
**Document Hash:** 789f93039fa99ea35011c250e5e480fe
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001410368-26-018457.hdr.sgml**: 20260226

**ACCESSION NUMBER**: 0001410368-26-018457

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260226

**DATE AS OF CHANGE**: 20260226

**PERIOD START**: 20251231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MORGAN STANLEY INSTITUTIONAL FUND INC
- **CENTRAL INDEX KEY:** 0000836487

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-05624
- **FILM NUMBER:** 26683283

**BUSINESS ADDRESS:**
- **STREET 1:** 1585 BROADWAY
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10036
- **BUSINESS PHONE:** 800-548-7786

**MAIL ADDRESS:**
- **STREET 1:** 1585 BROADWAY
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10036

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MORGAN STANLEY DEAN WITTER INSTITUTIONAL FUND INC
- **DATE OF NAME CHANGE:** 19990329

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MORGAN STANLEY INSTITUTIONAL FUND INC
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### Advantage Portfolio (Series ID: S000027993)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000085091 | Class I      | MPAIX           |
| C000085092 | Class L      | MAPLX           |
| C000085093 | Class A      | MAPPX           |
| C000126919 | Class R6     | MADSX           |
| C000155898 | Class C      | MSPRX           |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** MORGAN STANLEY INSTITUTIONAL FUND INC

- **b. Investment Company Act file number:** 811-05624

- **c. CIK number of Registrant:** 0000836487

- **d. LEI of Registrant:** 54930067DYRSUSGS4E97

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 1585 Broadway

  - **City:** NEW YORK

  - **State:** NY

  - **Foreign country:** US

  - **Zip / Postal Code:** 10036

  - **Telephone number:** 800-869-6397

**Item A.2. Information about the Series.**

- **a. Name of Series:** Advantage Portfolio

- **b. EDGAR series identifier (if any):** S000027993

- **c. LEI of Series:** 549300MJNVP3DCEQZL36

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2025-12-31

- **b. Date as of which information is reported:** 2025-12-31

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $215325345.52

**Total Liabilities:** $487825.43

**Net Assets:** $214837520.09

**Amount of Assets Invested in Other Investment Companies:** $4721862.62

**Cash Not Reported:** $2328.97

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000085091 | 3.24%                | -9.52%               | 0.20%                |
| Class ID C000085092 | 3.19%                | -9.53%               | 0.18%                |
| Class ID C000085093 | 3.20%                | -9.55%               | 0.15%                |
| Class ID C000126919 | 3.22%                | -9.52%               | 0.21%                |
| Class ID C000155898 | 3.14%                | -9.63%               | 0.12%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $1781681.37              | $6095455.84                                |
| Month 2  | $-1539412.64             | $-21791140.89                              |
| Month 3  | $5381636.02              | $-4798938.75                               |

**Designated Index Information**

- **Index Name:** Securities Portfolio

- **Index Identifier:** SEC_PORT

### Schedule of Portfolio Investments

| Name                                  | Title                                                                        | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Airbnb Inc                            | Airbnb Inc                                                                   | CUSIP: 009066101<br>LEI: 549300HMUDNO0RY56D37 | Long             | EC               | CORP              | US        |     87808 | NS      | $11917301.76  | 5.55%             |  |  |  | No            |                  1 | On Loan: No      |
| Alphabet Inc                          | Alphabet Inc                                                                 | CUSIP: 02079K107<br>LEI: 5493006MHB84DD0ZWV18 | Long             | EC               | CORP              | US        |     10648 | NS      | $3341342.40   | 1.56%             |  |  |  | No            |                  1 | On Loan: No      |
| American Tower Corp                   | American Tower Corp                                                          | CUSIP: 03027X100<br>LEI: 5493006ORUSIL88JOE18 | Long             | EC               |  | US        |     12362 | NS      | $2170396.34   | 1.01%             |  |  |  | No            |                  1 | On Loan: No      |
| AppLovin Corp                         | AppLovin Corp                                                                | CUSIP: 03831W108<br>LEI: 549300LLVXMUAOL3SQ07 | Long             | EC               | CORP              | US        |     15891 | NS      | $10707673.62  | 4.98%             |  |  |  | No            |                  1 | On Loan: No      |
| Biogen Inc                            | Biogen Inc                                                                   | CUSIP: 09062X103<br>LEI: W8J5WZB5IY3K0NDQT671 | Long             | EC               | CORP              | US        |      6130 | NS      | $1078818.70   | 0.50%             |  |  |  | No            |                  1 | On Loan: No      |
| Chewy Inc                             | Chewy Inc                                                                    | CUSIP: 16679L109<br>LEI: 254900NPQSTG9I422879 | Long             | EC               | CORP              | US        |     60503 | NS      | $1999624.15   | 0.93%             |  |  |  | No            |                  1 | On Loan: No      |
| Cloudflare Inc                        | Cloudflare Inc                                                               | CUSIP: 18915M107<br>LEI: 5493007DY18BGNLDWU14 | Long             | EC               | CORP              | US        |    135429 | NS      | $26699827.35  | 12.43%            |  |  |  | No            |                  1 | On Loan: No      |
| Coinbase Global Inc                   | Coinbase Global Inc                                                          | CUSIP: 19260Q107<br>LEI: 5493004G3J2SC154DU06 | Long             | EC               | CORP              | US        |      7942 | NS      | $1796003.88   | 0.84%             |  |  |  | No            |                  1 | On Loan: No      |
| Core & Main Inc                       | Core & Main Inc                                                              | CUSIP: 21874C102<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    107545 | NS      | $5589113.65   | 2.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Crowdstrike Holdings Inc              | Crowdstrike Holdings Inc                                                     | CUSIP: 22788C105<br>LEI: 549300YBY08K9KM4HX32 | Long             | EC               | CORP              | US        |     22555 | NS      | $10572881.80  | 4.92%             |  |  |  | No            |                  1 | On Loan: No      |
| DoorDash Inc                          | DoorDash Inc                                                                 | CUSIP: 25809K105<br>LEI: 549300NUQ43FGGSK5051 | Long             | EC               | CORP              | US        |     46233 | NS      | $10470849.84  | 4.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Federal National Mortgage Association | Federal National Mortgage Association                                        | CUSIP: 313586109<br>LEI: B1V7KEBTPIMZEU4LTD58 | Long             | EC               | USGSE             | US        |    527754 | NS      | $5662800.42   | 2.64%             |  |  |  | No            |                  1 | On Loan: No      |
| Floor & Decor Holdings Inc            | Floor & Decor Holdings Inc                                                   | CUSIP: 339750101<br>LEI: 549300M5FR3N688XGQ36 | Long             | EC               | CORP              | US        |     52985 | NS      | $3226256.65   | 1.50%             |  |  |  | No            |                  1 | On Loan: No      |
| LVMH Moet Hennessy Louis Vuitton SE   | LVMH Moet Hennessy Louis Vuitton SE                                          | CUSIP: 000000000<br>LEI: IOG4E947OATN0KJYSD45 | Long             | EC               | CORP              | FR        |      2913 | NS      | $2195632.02   | 1.02%             |  |  |  | No            |                  2 | On Loan: No      |
| iShares Bitcoin Trust ETF             | iShares Bitcoin Trust ETF                                                    | CUSIP: 46438F101<br>LEI: 529900HVFN08L8P4H851 | Long             | EC               | RF                | US        |     95064 | NS      | $4719927.60   | 2.20%             |  |  |  | No            |                  1 | On Loan: No      |
| MSCI Inc                              | MSCI Inc                                                                     | CUSIP: 55354G100<br>LEI: 549300HTIN2PD78UB763 | Long             | EC               | CORP              | US        |      4163 | NS      | $2388437.99   | 1.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Medline Inc                           | Medline Inc                                                                  | CUSIP: 58507V107<br>LEI: 984500FAN6J1P8566D43 | Long             | EC               | CORP              | US        |    192799 | NS      | $8097558.00   | 3.77%             |  |  |  | No            |                  1 | On Loan: No      |
| MercadoLibre Inc                      | MercadoLibre Inc                                                             | CUSIP: 58733R102<br>LEI: 549300DKPDN9M5S8GB14 | Long             | EC               | CORP              | US        |      1091 | NS      | $2197557.66   | 1.02%             |  |  |  | No            |                  1 | On Loan: No      |
| Strategy Inc                          | Strategy Inc                                                                 | CUSIP: 594972408<br>LEI: 549300WQTWEJUEHXQX21 | Long             | EC               | CORP              | US        |     51231 | NS      | $7784550.45   | 3.62%             |  |  |  | No            |                  1 | On Loan: No      |
| ROBLOX Corp                           | ROBLOX Corp                                                                  | CUSIP: 771049103<br>LEI: 529900ANZDBDFU91SO19 | Long             | EC               | CORP              | US        |    122366 | NS      | $9915316.98   | 4.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Samsara Inc                           | Samsara Inc                                                                  | CUSIP: 79589L106<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    274357 | NS      | $9725955.65   | 4.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Shopify Inc                           | Shopify Inc                                                                  | CUSIP: 82509L107<br>LEI: 549300HGQ43STJLLP808 | Long             | EC               | CORP              | CA        |    100442 | NS      | $16168148.74  | 7.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Snowflake Inc                         | Snowflake Inc                                                                | CUSIP: 833445109<br>LEI: 254900CJNSY1K7T53Z16 | Long             | EC               | CORP              | US        |     48030 | NS      | $10535860.80  | 4.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Tesla Inc                             | Tesla Inc                                                                    | CUSIP: 88160R101<br>LEI: 54930043XZGB27CTOV49 | Long             | EC               | CORP              | US        |     39756 | NS      | $17879068.32  | 8.32%             |  |  |  | No            |                  1 | On Loan: No      |
| Union Pacific Corp                    | Union Pacific Corp                                                           | CUSIP: 907818108<br>LEI: 549300LMMRSZZCZ8CL11 | Long             | EC               | CORP              | US        |     13434 | NS      | $3107552.88   | 1.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Morgan Stanley & Co. LLC              | Morgan Stanley Institutional Liquidity Funds - Treasury Securities Portfolio | CUSIP: 61747C525<br>LEI: 549300OJY9IZ31SGS926 | Long             | STIV             | RF                | US        |   3766453 | NS      | $3766453.38   | 1.75%             |  |  |  | No            |                  1 | On Loan: No      |
| SWAP JP MORGAN BOC                    | SWAP JP MORGAN BOC                                                           | CUSIP: 000000000<br>LEI: N/A                  | Short            | STIV             | CORP              | US        |    -60000 | NS      | $-60000.00    | -0.03%            |  |  |  | No            |                  2 | On Loan: No      |
| JPMorgan Chase Bank NA                | CNHP10331 USD CALL/CNH PUT                                                   | CUSIP: 000000000<br>LEI: 7H6GLXDRUGQFU57RNE97 | N/A              | DFE              |  | US        |  50168535 | OU      | $100.34       | 0.00%             |  |  |  | No            |                  2 | On Loan: No      |
| Standard Chartered Bank               | CNHP25303 USD CALL/CNH PUT                                                   | CUSIP: 000000000<br>LEI: RILFO74KP1CM8P6PCT96 | N/A              | DFE              |  | US        |  34024140 | OU      | $340.24       | 0.00%             |  |  |  | No            |                  2 | On Loan: No      |
| Goldman Sachs & Co. LLC               | CNHP33544 USD CALL/CNH PUT                                                   | CUSIP: 000000000<br>LEI: FOR8UP27PHTHYVLBNG30 | N/A              | DFE              |  | US        |  48501000 | OU      | $3686.08      | 0.00%             |  |  |  | No            |                  2 | On Loan: No      |
| Standard Chartered Bank               | CNHP25302 USD CALL/CNH PUT                                                   | CUSIP: 000000000<br>LEI: RILFO74KP1CM8P6PCT96 | N/A              | DFE              |  | US        |  69614829 | OU      | $25130.95     | 0.01%             |  |  |  | No            |                  2 | On Loan: No      |
| Standard Chartered Bank               | CNHP66560 USD CALL/CNH PUT                                                   | CUSIP: 000000000<br>LEI: RILFO74KP1CM8P6PCT96 | N/A              | DFE              |  | US        |  77727392 | OU      | $141619.31    | 0.07%             |  |  |  | No            |                  2 | On Loan: No      |
| Adyen NV                              | Adyen NV                                                                     | CUSIP: 000000000<br>LEI: 724500973ODKK3IFQ447 | Long             | EC               | CORP              | NL        |      1373 | NS      | $2214064.73   | 1.03%             |  |  |  | Yes           |                  2 | On Loan: No      |
| Roivant Sciences Ltd                  | Roivant Sciences Ltd                                                         | CUSIP: 000000000<br>LEI: 549300DL466NY5J6U724 | Long             | EC               | CORP              | BM        |    334353 | NS      | $7255460.10   | 3.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Royalty Pharma PLC                    | Royalty Pharma PLC                                                           | CUSIP: 000000000<br>LEI: 549300FGFN7VOK8BZR03 | Long             | EC               | CORP              | GB        |    307017 | NS      | $11863136.88  | 5.52%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2026-01-26

**Name of Applicant:** MORGAN STANLEY INSTITUTIONAL FUND INC

**Signature:** Francis Smith

**Name of Signer:** Francis Smith

**Title:** Principal Financial Officer