# EDGAR Filing Document

**Accession Number:** 0000741375
**File Stem:** 0001104659-26-004609
**Filing Date:** 2026-1
**Character Count:** 2427
**Document Hash:** 2821832bbd02affb62bc2637166c3c83
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-004609.hdr.sgml**: 20260116

**ACCESSION NUMBER**: 0001104659-26-004609

**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 TRUST
- **CENTRAL INDEX KEY:** 0000741375

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** PA
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-89729
- **FILM NUMBER:** 26540370

**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:** MAS FUNDS /MA/
- **DATE OF NAME CHANGE:** 19960724

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MAS FUNDS INC
- **DATE OF NAME CHANGE:** 19931227

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MAS FUNDS
- **DATE OF NAME CHANGE:** 19930927

## Series and Classes Contracts Data

### Discovery Portfolio (Series ID: S000004127)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000011562 | Class A Shares | MACGX           |
| C000011563 | Class I Shares | MPEGX           |
| C000113795 | Class L        | MSKLX           |
| C000129401 | Class R6       | MMCGX           |
| C000155934 | Class C        | MSMFX           |

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

**January 16, 2026**

Morgan Stanley Institutional Fund Trust

Supplement dated January 16, 2026 to the Morgan Stanley Institutional Fund Trust<br>Summary Prospectus, Prospectus and Statement of Additional Information dated January 28, 2025, as supplemented

**Discovery Portfolio (the "Fund")**

The portfolio management team of the Fund consists of Dennis P. Lynch, Sam G. Chainani, Jason C. Yeung, Armistead B. Nash and Alexander T. Norton. Accordingly, all references to other portfolio managers of the Fund included in the Summary Prospectus, Prospectus and Statement of Additional Information are deleted in their entirety.

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

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