# EDGAR Filing Document

**Accession Number:** 0000106830
**File Stem:** 0001683863-25-006166
**Filing Date:** 2025-7
**Character Count:** 5984
**Document Hash:** e2ecb60670b806a868e97d58741f97f7
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001683863-25-006166.hdr.sgml**: 20250725

**ACCESSION NUMBER**: 0001683863-25-006166

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20250725

**DATE AS OF CHANGE**: 20250725

**EFFECTIVENESS DATE**: 20250725

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** VANGUARD MONEY MARKET RESERVES
- **CENTRAL INDEX KEY:** 0000106830

**ORGANIZATION NAME:**
- **EIN:** 236607979
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0831

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-52698
- **FILM NUMBER:** 251149006

**BUSINESS ADDRESS:**
- **STREET 1:** PO BOX 2600
- **STREET 2:** V26
- **CITY:** VALLEY FORGE
- **STATE:** PA
- **ZIP:** 19482
- **BUSINESS PHONE:** 6106691000

**MAIL ADDRESS:**
- **STREET 1:** PO BOX 2600
- **STREET 2:** V26
- **CITY:** VALLEY FORGE
- **STATE:** PA
- **ZIP:** 19482

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** VANGUARD MONEY MARKET FUNDS
- **DATE OF NAME CHANGE:** 20011121

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** VANGUARD MONEY MARKET RESERVES INC
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** VANGUARD MONEY MARKET TRUST
- **DATE OF NAME CHANGE:** 19851103
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** VANGUARD CMT FUNDS
- **CENTRAL INDEX KEY:** 0001273878

**ORGANIZATION NAME:**
- **EIN:** 200961006

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-111362
- **FILM NUMBER:** 251149007

**BUSINESS ADDRESS:**
- **STREET 1:** PO BOX 2600
- **STREET 2:** V26
- **CITY:** MALVERN
- **STATE:** PA
- **ZIP:** 19355
- **BUSINESS PHONE:** 610-669-1000

**MAIL ADDRESS:**
- **STREET 1:** PO BOX 2600
- **STREET 2:** V26
- **CITY:** MALVERN
- **STATE:** PA
- **ZIP:** 19355

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** VANGUARD CASH MANAGEMENT TRUST
- **DATE OF NAME CHANGE:** 20031218
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** VANGUARD VARIABLE INSURANCE FUNDS
- **CENTRAL INDEX KEY:** 0000857490

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-32216
- **FILM NUMBER:** 251149008

**BUSINESS ADDRESS:**
- **STREET 1:** PO BOX 2600
- **STREET 2:** V26
- **CITY:** VALLEY FORGE
- **STATE:** PA
- **ZIP:** 19482
- **BUSINESS PHONE:** 6106691000

**MAIL ADDRESS:**
- **STREET 1:** PO BOX 2600
- **STREET 2:** V26
- **CITY:** VALLEY FORGE
- **STATE:** PA
- **ZIP:** 19482

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** VANGUARD VARIABLE INSURANCE FUND
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** VANGUARD VARIABLE INSURANCE FUND INC
- **DATE OF NAME CHANGE:** 19910505

## Series and Classes Contracts Data

### Vanguard Federal Money Market Fund (Series ID: S000004462)

---

|  |  |  |
|:---|:---|:---|
| Class Name      | Ticker Symbol | Class ID   |
| Investor Shares | VMFXX         | C000012238 |

---

### Money Market Portfolio (Series ID: S000004391)

---

|  |  |
|:---|:---|
| Class Name             | Class ID   |
| Money Market Portfolio | C000012147 |

---

### Vanguard Market Liquidity Fund (Series ID: S000002575)

---

|  |  |
|:---|:---|
| Class Name                     | Class ID   |
| Vanguard Market Liquidity Fund | C000007078 |

---

## Series and Classes Contracts Data

### Vanguard Federal Money Market Fund (Series ID: S000004462)

| Class ID   | Class Name      | Ticker Symbol   |
|:---|:---|:---|
| C000012238 | Investor Shares | VMFXX           |

### Money Market Portfolio (Series ID: S000004391)

| Class ID   | Class Name             | Ticker Symbol   |
|:---|:---|:---|
| C000012147 | Money Market Portfolio |  |

### Vanguard Market Liquidity Fund (Series ID: S000002575)

| Class ID   | Class Name                     | Ticker Symbol   |
|:---|:---|:---|
| C000007078 | Vanguard Market Liquidity Fund |  |

![](gt861d6l6gvjp0v9d3pzt.jpg)

Vanguard Federal Money Market Fund

Vanguard Market Liquidity Fund

Vanguard Variable Insurance Funds—Money

Market Portfolio

**Supplement Dated July 25, 2025, to the Prospectuses and Summary Prospectuses**

**Important Changes to the Funds and Portfolio (collectively, the "impacted Funds")**

On or about September 24, 2025, John C. Lanius will retire from Vanguard and will no longer serve as portfolio manager of the impacted Funds. At that time, Nafis T. Smith will be added as portfolio manager of the impacted Funds. Mr. Smith has managed investment portfolios for Vanguard since 2010 and has served as Head of Taxable Money Markets since 2018.

The impacted Funds' investment objectives, strategies, and policies will remain unchanged.© 2025 The Vanguard Group, Inc. All rights reserved. PS PME 072025 <br> Vanguard Marketing Corporation, Distributor.

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![](gwoj67xk00j8xjmrs7pmv.jpg)

**Vanguard CMT Funds**

**Vanguard Money Market Reserves**

**Vanguard Variable Insurance Funds**

**Supplement Dated July 25, 2025, to the Statement of Additional Information**

**Important Changes to Vanguard Federal Money Market Fund, Vanguard Market Liquidity Fund, and Vanguard Variable Insurance Funds—Money Market Portfolio (collectively, the "impacted Funds")**

On or about September 24, 2025, John C. Lanius will retire from Vanguard and will no longer serve as portfolio manager of the impacted Funds. At that time, Nafis T. Smith will be added as portfolio manager of the impacted Funds. Mr. Smith has managed investment portfolios for Vanguard since 2010 and has served as Head of Taxable Money Markets since 2018.

The impacted Funds' investment objectives, strategies, and policies will remain unchanged.

---

| | |
|:---|:---|
|© 2025 The Vanguard Group, Inc. All rights reserved. | **SAI PME 072025** |
| Vanguard Marketing Corporation, Distributor. | **SAI PME 072025** |

---

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