# EDGAR Filing Document

**Accession Number:** 0000741375
**File Stem:** 0001104659-26-052698
**Filing Date:** 2026-4
**Character Count:** 6248
**Document Hash:** aaccdb899f61d595bafced38028b7918
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-052698.hdr.sgml**: 20260430

**ACCESSION NUMBER**: 0001104659-26-052698

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260430

**DATE AS OF CHANGE**: 20260430

**EFFECTIVENESS DATE**: 20260430

**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:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-89729
- **FILM NUMBER:** 26923542

**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

### Corporate Bond Portfolio (Series ID: S000004118)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Class A Shares | MIGAX         | C000011548 |
| Class I Shares | MPFDX         | C000011549 |
| Class L Shares | MGILX         | C000065127 |
| Class C        | MSBOX         | C000155931 |

---

### Global Strategist Portfolio (Series ID: S000004124)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Class A Shares | MBAAX         | C000011555 |
| Class I Shares | MPBAX         | C000011556 |
| Class L        | MSDLX         | C000113792 |
| Class C        | MSSOX         | C000155933 |
| Class R6       | MGPOX         | C000156275 |

---

### Discovery Portfolio (Series ID: S000004127)

---

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

---

### Ultra Short Income Portfolio (Series ID: S000052013)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Institutional Class | MUIIX         | C000163598 |
| Class IR            | MULSX         | C000163599 |
| Class A             | MUAIX         | C000163600 |

---

## Series and Classes Contracts Data

### Corporate Bond Portfolio (Series ID: S000004118)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000011548 | Class A Shares | MIGAX           |
| C000011549 | Class I Shares | MPFDX           |
| C000065127 | Class L Shares | MGILX           |
| C000155931 | Class C        | MSBOX           |

### Global Strategist Portfolio (Series ID: S000004124)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000011555 | Class A Shares | MBAAX           |
| C000011556 | Class I Shares | MPBAX           |
| C000113792 | Class L        | MSDLX           |
| C000155933 | Class C        | MSSOX           |
| C000156275 | Class R6       | MGPOX           |

### 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           |

### Ultra Short Income Portfolio (Series ID: S000052013)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000163598 | Institutional Class | MUIIX           |
| C000163599 | Class IR            | MULSX           |
| C000163600 | Class A             | MUAIX           |

**Statement of Additional Information Supplement**

**April 30, 2026**

Morgan Stanley Institutional Fund Trust

Supplement dated April 30, 2026 to the Morgan Stanley Institutional Fund Trust Statement of Additional Information dated January 28, 2026

**Discovery Portfolio**

**Corporate Bond Portfolio**

**Global Strategist Portfolio**

**Ultra-Short Income Portfolio**

Effective immediately, the table in the section of the Statement of Additional Information entitled "Disclosure of Portfolio Holdings" is hereby deleted and replaced with the following:

---

| | | |
|:---|:---|:---|
| **Name** | **Frequency<sup>1</sup>** | **Lag Time** |
| **Service Providers** |  |  |
| State Street Bank and <br>Trust Company | Daily basis | Daily |
| BlackRock Financial <br>Management Inc.<sup>2</sup> | Daily basis | <sup>3</sup> |
| KellyCo Marketing | As needed | Varying lag times after the date of<br>the information |
| Financial Recovery Technologies | Daily basis | Daily |
| Commcise Software Limited<sup>4</sup> | Monthly basis | Approximately three business days |
| Virtu Financial, Inc.<sup>4</sup> | Monthly basis | Approximately three business days |
| Toppan Merrill<sup>5</sup> | Semi-Annual basis | Approximately 15 business days<br>after month end |
| **Fund Rating Agencies** |  |  |
| Refinitiv Lipper | Monthly basis | Approximately six business days<br>after month end |
| **Portfolio Analytics Providers** |  |  |
| Bloomberg Finance, L.P. | Daily basis | Daily |
| FactSet Research Systems, Inc. | Daily basis | Daily |
| BestX Ltd. | Daily basis | Daily |
| Abel Noser Solutions, LLC | Daily basis | Daily |
| MSCI Inc.<sup>4</sup> | Daily basis | Daily |

---

1 Dissemination of portfolio holdings information to entities listed above may occur less frequently than indicated (or not at all).

2 With respect to the Corporate Bond, Global Strategist and Ultra-Short Income Portfolios, only.

3 Information will typically be provided on a real time basis or as soon thereafter as possible.

4 With respect to the Discovery and Global Strategist Portfolios, only.

5 With respect to the Discovery Portfolio, only.

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

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