# EDGAR Filing Document

**Accession Number:** 0000836487
**File Stem:** 0001752724-25-199149
**Filing Date:** 2025-8
**Character Count:** 16011
**Document Hash:** b8b84dfe06cf71a0281c3da6c8242273
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-199149.hdr.sgml**: 20250822

**ACCESSION NUMBER**: 0001752724-25-199149

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250630

**FILED AS OF DATE**: 20250822

**DATE AS OF CHANGE**: 20250822

**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:** 251244158

**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

### US Core Portfolio (Series ID: S000053789)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000169220 | Class I      | MUOIX           |
| C000169221 | Class A      | MUOAX           |
| C000169222 | Class C      | MUOCX           |
| C000169223 | Class R6     | MUOSX           |

## 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:** US Core Portfolio

- **b. EDGAR series identifier (if any):** S000053789

- **c. LEI of Series:** 54930059T95P1MHDIB68

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

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

- **b. Date as of which information is reported:** 2025-06-30

**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:** $392277376.69

**Total Liabilities:** $638680.35

**Net Assets:** $391638696.34

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000169220 | 0.11%                | 7.30%                | 3.65%                |
| Class ID C000169223 | 0.11%                | 7.29%                | 3.65%                |
| Class ID C000169222 | 0.00%                | 7.20%                | 3.57%                |
| Class ID C000169221 | 0.07%                | 7.25%                | 3.63%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-2069994.10             | $2651297.59                                |
| Month 2  | $912172.50               | $24418745.13                               |
| Month 3  | $426785.43               | $13516863.61                               |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Progressive Corp/The          | Progressive Corp/The                                                         | CUSIP: 743315103<br>LEI: 529900TACNVLY9DCR586 | Long             | EC               | CORP              | US        |     60761 | NS      | $16214680.46  | 4.14%             |  |  |  | No            |                  1 | On Loan: No      |
| McDonald's Corp               | McDonald's Corp                                                              | CUSIP: 580135101<br>LEI: UE2136O97NLB5BYP9H04 | Long             | EC               | CORP              | US        |     12869 | NS      | $3759935.73   | 0.96%             |  |  |  | No            |                  1 | On Loan: No      |
| United Rentals Inc            | United Rentals Inc                                                           | CUSIP: 911363109<br>LEI: 5323X5O7RN0NKFCDRY08 | Long             | EC               | CORP              | US        |      8278 | NS      | $6236645.20   | 1.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Valero Energy Corp            | Valero Energy Corp                                                           | CUSIP: 91913Y100<br>LEI: 549300XTO5VR8SKV1V74 | Long             | EC               | CORP              | US        |     18885 | NS      | $2538521.70   | 0.65%             |  |  |  | No            |                  1 | On Loan: No      |
| Costco Wholesale Corp         | Costco Wholesale Corp                                                        | CUSIP: 22160K105<br>LEI: 29DX7H14B9S6O3FD6V18 | Long             | EC               | CORP              | US        |     18528 | NS      | $18341608.32  | 4.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Alphabet Inc                  | Alphabet Inc                                                                 | CUSIP: 02079K305<br>LEI: 5493006MHB84DD0ZWV18 | Long             | EC               | CORP              | US        |    124218 | NS      | $21890938.14  | 5.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Lennar Corp                   | Lennar Corp                                                                  | CUSIP: 526057104<br>LEI: 529900G61XVRLX5TJX09 | Long             | EC               | CORP              | US        |      6392 | NS      | $707019.12    | 0.18%             |  |  |  | No            |                  1 | On Loan: No      |
| CBRE Group Inc                | CBRE Group Inc                                                               | CUSIP: 12504L109<br>LEI: 52990016II9MJ2OSWA10 | Long             | EC               | CORP              | US        |     88088 | NS      | $12342890.56  | 3.15%             |  |  |  | No            |                  1 | On Loan: No      |
| Tyler Technologies Inc        | Tyler Technologies Inc                                                       | CUSIP: 902252105<br>LEI: 25490040SMU4Z8LBCW70 | Long             | EC               | CORP              | US        |      8513 | NS      | $5046846.92   | 1.29%             |  |  |  | No            |                  1 | On Loan: No      |
| Microsoft Corp                | Microsoft Corp                                                               | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |     55853 | NS      | $27781840.73  | 7.09%             |  |  |  | No            |                  1 | On Loan: No      |
| NVIDIA Corp                   | NVIDIA Corp                                                                  | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |    270053 | NS      | $42665673.47  | 10.89%            |  |  |  | No            |                  1 | On Loan: No      |
| Chevron Corp                  | Chevron Corp                                                                 | CUSIP: 166764100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     32848 | NS      | $4703505.12   | 1.20%             |  |  |  | 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        |   2965961 | NS      | $2965961.34   | 0.76%             |  |  |  | No            |                  1 | On Loan: No      |
| Waste Management Inc          | Waste Management Inc                                                         | CUSIP: 94106L109<br>LEI: 549300YX8JIID70NFS41 | Long             | EC               | CORP              | US        |     65367 | NS      | $14957276.94  | 3.82%             |  |  |  | No            |                  1 | On Loan: No      |
| Millrose Properties Inc       | Millrose Properties Inc                                                      | CUSIP: 601137102<br>LEI: N/A                  | Long             | EC               |  | US        |     10164 | NS      | $289775.64    | 0.07%             |  |  |  | No            |                  2 | On Loan: No      |
| TJX Cos Inc/The               | TJX Cos Inc/The                                                              | CUSIP: 872540109<br>LEI: V167QI9I69W364E2DY52 | Long             | EC               | CORP              | US        |    123897 | NS      | $15300040.53  | 3.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Netflix Inc                   | Netflix Inc                                                                  | CUSIP: 64110L106<br>LEI: 549300Y7VHGU0I7CE873 | Long             | EC               | CORP              | US        |     15302 | NS      | $20491367.26  | 5.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Mastercard Inc                | Mastercard Inc                                                               | CUSIP: 57636Q104<br>LEI: AR5L2ODV9HN37376R084 | Long             | EC               | CORP              | US        |     22783 | NS      | $12802679.02  | 3.27%             |  |  |  | No            |                  1 | On Loan: No      |
| Tesla Inc                     | Tesla Inc                                                                    | CUSIP: 88160R101<br>LEI: 54930043XZGB27CTOV49 | Long             | EC               | CORP              | US        |     19908 | NS      | $6323975.28   | 1.61%             |  |  |  | No            |                  1 | On Loan: No      |
| General Electric Co           | General Electric Co                                                          | CUSIP: 369604301<br>LEI: 3C7474T6CDKPR9K6YT90 | Long             | EC               | CORP              | US        |     46643 | NS      | $12005441.77  | 3.07%             |  |  |  | No            |                  1 | On Loan: No      |
| Brown & Brown Inc             | Brown & Brown Inc                                                            | CUSIP: 115236101<br>LEI: 549300PC8KTJ71XKFY89 | Long             | EC               | CORP              | US        |    137129 | NS      | $15203492.23  | 3.88%             |  |  |  | No            |                  1 | On Loan: No      |
| LPL Financial Holdings Inc    | LPL Financial Holdings Inc                                                   | CUSIP: 50212V100<br>LEI: 549300XROQ4Y8G2L7682 | Long             | EC               | CORP              | US        |     41095 | NS      | $15409392.15  | 3.93%             |  |  |  | No            |                  1 | On Loan: No      |
| Shopify Inc                   | Shopify Inc                                                                  | CUSIP: 82509L107<br>LEI: 549300HGQ43STJLLP808 | Long             | EC               | CORP              | CA        |     67880 | NS      | $7829958.00   | 2.00%             |  |  |  | No            |                  1 | On Loan: No      |
| AutoZone Inc                  | AutoZone Inc                                                                 | CUSIP: 053332102<br>LEI: GA3JGKJ41LJKXDN23E90 | Long             | EC               | CORP              | US        |       297 | NS      | $1102532.31   | 0.28%             |  |  |  | No            |                  1 | On Loan: No      |
| Ameriprise Financial Inc      | Ameriprise Financial Inc                                                     | CUSIP: 03076C106<br>LEI: 6ZLKQF7QB6JAEKQS5388 | Long             | EC               | CORP              | US        |     32521 | NS      | $17357433.33  | 4.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Agree Realty Corp             | Agree Realty Corp                                                            | CUSIP: 008492100<br>LEI: N/A                  | Long             | EC               |  | US        |     10020 | NS      | $732061.20    | 0.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Apple Inc                     | Apple Inc                                                                    | CUSIP: 037833100<br>LEI: HWUPKR0MPOU8FGXBT394 | Long             | EC               | CORP              | US        |    108954 | NS      | $22354092.18  | 5.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Cboe Global Markets Inc       | Cboe Global Markets Inc                                                      | CUSIP: 12503M108<br>LEI: 529900RLNSGA90UPEH54 | Long             | EC               | CORP              | US        |     35194 | NS      | $8207592.74   | 2.10%             |  |  |  | No            |                  1 | On Loan: No      |
| Jefferies Financial Group Inc | Jefferies Financial Group Inc                                                | CUSIP: 47233W109<br>LEI: 549300HOF34RGOJ5YL07 | Long             | EC               | CORP              | US        |     13502 | NS      | $738424.38    | 0.19%             |  |  |  | No            |                  1 | On Loan: No      |
| CRH PLC                       | CRH PLC                                                                      | CUSIP: 000000000<br>LEI: 549300MIDJNNTH068E74 | Long             | EC               | CORP              | IE        |     57210 | NS      | $5251878.00   | 1.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Eli Lilly & Co                | Eli Lilly & Co                                                               | CUSIP: 532457108<br>LEI: FRDRIPF3EKNDJ2CQJL29 | Long             | EC               | CORP              | US        |      5372 | NS      | $4187635.16   | 1.07%             |  |  |  | No            |                  1 | On Loan: No      |
| JPMorgan Chase & Co           | JPMorgan Chase & Co                                                          | CUSIP: 46625H100<br>LEI: 8I5DZWZKVSZI1NUHU748 | Long             | EC               | CORP              | US        |     81564 | NS      | $23646219.24  | 6.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Amazon.com Inc                | Amazon.com Inc                                                               | CUSIP: 023135106<br>LEI: ZXTILKJKG63JELOEG630 | Long             | EC               | CORP              | US        |    103828 | NS      | $22778824.92  | 5.82%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-07-21

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

**Signature:** Francis Smith

**Name of Signer:** Francis Smith

**Title:** Principal Financial Officer