# EDGAR Filing Document

**Accession Number:** 0001227155
**File Stem:** 0001104659-23-005693
**Filing Date:** 2023-1
**Character Count:** 3238
**Document Hash:** 9a8f16ff9ea74ec457833b7fe7d3c219
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-23-005693.hdr.sgml**: 20230123

**ACCESSION NUMBER**: 0001104659-23-005693

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230123

**DATE AS OF CHANGE**: 20230123

**EFFECTIVENESS DATE**: 20230123

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MORGAN STANLEY INSTITUTIONAL LIQUIDITY FUNDS
- **CENTRAL INDEX KEY:** 0001227155
- **IRS NUMBER:** 000000000

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-104972
- **FILM NUMBER:** 23543100

**BUSINESS ADDRESS:**
- **STREET 1:** 522 FIFTH AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10036
- **BUSINESS PHONE:** 800-548-7786

**MAIL ADDRESS:**
- **STREET 1:** 522 FIFTH AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10036

## Series and Classes Contracts Data

### ESG 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 |
| CastleOak Share Class | nan           | C000227506 |

---

## Series and Classes Contracts Data

### ESG 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           |
| C000227506 | CastleOak Share Class |  |

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

**January 23, 2023**

Morgan Stanley Institutional Liquidity Funds

Supplement dated January 23, 2023 to the Morgan Stanley Institutional Liquidity Funds Prospectuses and Statement of Additional Information dated February 28, 2022

**ESG Money Market Portfolio**

Shares of the ESG Money Market Portfolio are no longer offered or available under this Prospectus and Statement of Additional Information. Accordingly, all references to the ESG Money Market Portfolio and related disclosures in this Prospectus and Statement of Additional Information are removed. For more information on the ESG Money Market Portfolio, please refer to the prospectuses and statement of additional information for ESG Money Market Portfolio dated January 23, 2023, as may be supplemented from time to time. To obtain the ESG Money Market Portfolio's current prospectuses and statement of additional information, please contact your financial intermediary, call 888-378-1630 or visit www.morganstanley.com/im.

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

&nbsp;&nbsp;&nbsp;&nbsp;ILFESGMMKPROSAISPT 1/23

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