# EDGAR Filing Document

**Accession Number:** 0000836487
**File Stem:** 0001104659-26-004626
**Filing Date:** 2026-1
**Character Count:** 2832
**Document Hash:** 194420b434752ce83f8a5df66c251eba
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-004626.hdr.sgml**: 20260116

**ACCESSION NUMBER**: 0001104659-26-004626

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260116

**DATE AS OF CHANGE**: 20260116

**EFFECTIVENESS DATE**: 20260116

**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:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-23166
- **FILM NUMBER:** 26540438

**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

### Global Insight Portfolio (Series ID: S000030616)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000094891 | Class I      | MIGIX           |
| C000094892 | Class L      | MIGLX           |
| C000094893 | Class A      | MIGPX           |
| C000155902 | Class C      | MSPTX           |
| C000228507 | Class R6     | MGZZX           |

**Summary Prospectus, Prospectus and <br>Statement of Additional Information Supplement**

**January 16, 2026**

Morgan Stanley Institutional Fund, Inc.

Supplement dated January 16, 2026 to the Morgan Stanley Institutional Fund, Inc. Summary Prospectuses, Prospectuses and Statement of Additional Information dated April 30, 2025, as supplemented

**Advantage Portfolio**

**Global Insight Portfolio**

**Global Permanence Portfolio**

**Growth Portfolio**

**Inception Portfolio**

**Permanence Portfolio<br>(the "Funds")**

The portfolio management team of each of the Funds consists of the following individuals:

– **Advantage Portfolio, Global Insight Portfolio, Growth Portfolio and Inception Portfolio:** Dennis P. Lynch, Sam G. Chainani, Jason C. Yeung, Armistead B. Nash and Alexander T. Norton.

– **Global Permanence Portfolio and Permanence Portfolio:** Dennis P. Lynch, Sam G. Chainani, Jason C. Yeung, Armistead B. Nash, Alexander T. Norton and Manas Gautam.

Accordingly, all references to other portfolio managers of each of the Funds included in the Summary Prospectuses, Prospectuses and Statement of Additional Information are deleted in their entirety.

**Please retain this supplement for future reference.**

&nbsp;&nbsp;&nbsp;&nbsp;IFISUMPROPSAISPT 1/26

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