# EDGAR Filing Document

**Accession Number:** 0001227155
**File Stem:** 0001104659-26-052701
**Filing Date:** 2026-4
**Character Count:** 4962
**Document Hash:** f16274097dff07285243b6032d912435
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-052701.hdr.sgml**: 20260430

**ACCESSION NUMBER**: 0001104659-26-052701

**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 LIQUIDITY FUNDS
- **CENTRAL INDEX KEY:** 0001227155

**ORGANIZATION NAME:**
- **EIN:** 000000000

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-104972
- **FILM NUMBER:** 26923574

**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

## Series and Classes Contracts Data

### Money Market Portfolio (Series ID: S000004150)

---

|  |  |  |
|:---|:---|:---|
| Class Name            | Ticker Symbol | Class ID   |
| Administrative Class  | MDDXX         | C000011666 |
| Advisory Class        | MBDXX         | C000011667 |
| Wealth Class          | MWMXX         | C000011668 |
| Investor Class        | MNFXX         | C000011669 |
| Participant Class     | MEPXX         | C000011670 |
| Wealth S Class        | MWSXX         | C000011671 |
| Cash Management Class | MLKXX         | C000017909 |
| Select Class          | MSKXX         | C000240958 |
| Impact Partner Class  | IPFXX         | C000248681 |
| Advisor Class         | MAPXX         | C000248992 |

---

### Tax-Exempt Portfolio (Series ID: S000004152)

---

|  |  |  |
|:---|:---|:---|
| Class Name            | Ticker Symbol | Class ID   |
| Administrative Class  | TXXXX         | C000011678 |
| Advisory Class        | TAXXX         | C000011679 |
| Investor Class        | TEXXX         | C000011681 |
| Participant Class     | TPXXX         | C000011682 |
| Cash Management Class | TECXX         | C000017911 |
| Wealth Class          | TEWXX         | C000248682 |
| Select Class          | TSXXX         | C000248683 |
| Wealth S Class        | TWSXX         | C000248684 |
| Advisor Class         | MAXXX         | C000248993 |

---

## Series and Classes Contracts Data

### Money Market Portfolio (Series ID: S000004150)

| Class ID   | Class Name            | Ticker Symbol   |
|:---|:---|:---|
| C000011666 | Administrative Class  | MDDXX           |
| C000011667 | Advisory Class        | MBDXX           |
| C000011668 | Wealth Class          | MWMXX           |
| C000011669 | Investor Class        | MNFXX           |
| C000011670 | Participant Class     | MEPXX           |
| C000011671 | Wealth S Class        | MWSXX           |
| C000017909 | Cash Management Class | MLKXX           |
| C000240958 | Select Class          | MSKXX           |
| C000248681 | Impact Partner Class  | IPFXX           |
| C000248992 | Advisor Class         | MAPXX           |

### Tax-Exempt Portfolio (Series ID: S000004152)

| Class ID   | Class Name            | Ticker Symbol   |
|:---|:---|:---|
| C000011678 | Administrative Class  | TXXXX           |
| C000011679 | Advisory Class        | TAXXX           |
| C000011681 | Investor Class        | TEXXX           |
| C000011682 | Participant Class     | TPXXX           |
| C000017911 | Cash Management Class | TECXX           |
| C000248682 | Wealth Class          | TEWXX           |
| C000248683 | Select Class          | TSXXX           |
| C000248684 | Wealth S Class        | TWSXX           |
| C000248993 | Advisor Class         | MAXXX           |

**Statement of Additional Information Supplement**

**April 30, 2026**

Morgan Stanley Institutional Liquidity Funds

Supplement dated April 30, 2026 to the Morgan Stanley Institutional Liquidity Funds Statement of Additional Information dated February 27, 2026

**Money Market Portfolio**

**Tax-Exempt 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. | Daily basis | <sup>2</sup> |
| KellyCo Marketing | As needed | Varying lag times after the date of <br>the information |
| Financial Recovery <br>Technologies | Daily basis | Daily |
| **Portfolio Analytics Providers** |  |  |
| Bloomberg Finance, L.P. | Daily basis | <sup>2</sup> |
| Abel Noser Solutions, LLC | Daily basis | Daily |

---

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

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

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

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