# EDGAR Filing Document

**Accession Number:** 0000799127
**File Stem:** 0000799127-26-000019
**Filing Date:** 2026-4
**Character Count:** 7510
**Document Hash:** 48cce50ee54be5e99384a9cd8820eec8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000799127-26-000019.hdr.sgml**: 20260416

**ACCESSION NUMBER**: 0000799127-26-000019

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260416

**DATE AS OF CHANGE**: 20260416

**EFFECTIVENESS DATE**: 20260416

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** VANGUARD QUANTITATIVE FUNDS
- **CENTRAL INDEX KEY:** 0000799127

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-08553
- **FILM NUMBER:** 26865859

**BUSINESS ADDRESS:**
- **STREET 1:** 100 VANGUARD BLVD
- **STREET 2:** P O BOX 2600
- **CITY:** MALVERN
- **STATE:** PA
- **ZIP:** 19355
- **BUSINESS PHONE:** 6106691000

**MAIL ADDRESS:**
- **STREET 1:** 100 VANGUARD BLVD
- **STREET 2:** PO BOX 2600
- **CITY:** VALLEY FORGE
- **STATE:** PA
- **ZIP:** 19482

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** VANGUARD QUANTITATIVE FUNDS /
- **DATE OF NAME CHANGE:** 20010503

## Series and Classes Contracts Data

### Vanguard Core-Plus Bond Index ETF (Series ID: S000097262)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| ETF Shares | BNDP          | C000266441 |

---

## Series and Classes Contracts Data

### Vanguard Core-Plus Bond Index ETF (Series ID: S000097262)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000266441 | ETF Shares   | BNDP            |

![](gugsdbyosiv8siy8jbk85.jpg)

Vanguard Funds

**Supplement Dated April 16, 2026, to the Prospectuses and Summary Prospectuses**

Effective today, a portfolio manager has been added as co-portfolio manager of each Fund/Portfolio listed in the table below (each, an "impacted Fund," and collectively, the "impacted Funds"). The impacted Funds' investment objectives, strategies, and policies remain unchanged.

**Prospectus and Summary Prospectus Text Changes**

The following table lists each impacted Fund and the corresponding portfolio manager added as co-portfolio manager:

---

| | |
|:---|:---|
| **Impacted Fund** | **Portfolio Manager** |
| Vanguard Cash Reserves Federal Money Market Fund | Eion D'Anjou |
| Vanguard Core-Plus Bond Index ETF | Manuel Hayes |
| Vanguard Federal Money Market Fund | Eion D'Anjou |
| Vanguard Inflation-Protected Securities Fund | Brian Quigley |
| Vanguard Institutional Intermediate-Term Bond Fund | Peter Lee |
| Vanguard Institutional Short-Term Bond Fund | Thanh Nguyen |
| Vanguard Intermediate-Term Investment-Grade Fund | Peter Lee |
| Vanguard Long-Term Investment-Grade Fund | Blanton Keh |
| Vanguard Market Liquidity Fund | Eion D'Anjou |
| Vanguard Short-Term Investment-Grade Fund | Thanh Nguyen |
| Vanguard Treasury Money Market Fund | Eion D'Anjou |
| VVIF — Money Market Portfolio | Eion D'Anjou |
| VVIF — Short-Term Investment-Grade Portfolio | Thanh Nguyen |

---

**Prospectus and Summary Prospectus Text Changes**

The following is added under the heading "Investment Advisor" in the Summary Prospectus and the summary section of the Prospectus for each impacted Fund, as appropriate:

Blanton Keh, CFA, Portfolio Manager at VCM. He has co-managed the Fund since April 2026.

Brian W. Quigley, CFA, Portfolio Manager at VCM. He has co-managed the Fund since April 2026.

Eion D'Anjou, Portfolio Manager at VCM. He has co-managed the Fund since April 2026.

Manuel Hayes, Senior Portfolio Manager at VCM. He has co-managed the Fund since April 2026.

Peter Lee, CFA, Portfolio Manager at VCM. He has co-managed the Fund since April 2026.

Thanh Nguyen, CFA, Portfolio Manager at VCM. She has co-managed the Fund since April 2026.

**Prospectus Text Changes**

The following is added under the heading "Investment Advisor" in the **More on the Fund(s)** or **More on the Portfolio** section for each impacted Fund,

as appropriate:

**Blanton Keh,** CFA, Portfolio Manager at VCM. He has worked in investment management since 2001, has been with Vanguard since 2025, and has co-managed the Fund since April 2026. Education: B.S., California State Polytechnic University – Pomona; M.S., University of California, Los Angeles; M.B.A., University of California Anderson School of Management.

**Brian W. Quigley,** CFA, Portfolio Manager at VCM. He has been with Vanguard since 2003, has worked in investment management since 2005, he has managed investment portfolios since 2015, and has co-managed the Fund since April 2026. Education: B.S., Lehigh University.

**Eion D'Anjou,** Portfolio Manager at VCM. He has worked in investment management since 2006, has been with Vanguard since 2026, and he has co-managed the Fund since April 2026. Education: B.S., Cornell University.

**Manuel Hayes,** Senior Portfolio Manager at VCM. He has worked in investment management since 2005, has managed investment portfolios since 2007, has been with Vanguard since 2025, and co-managed the Fund since April 2026. Education: B.A., University of California, Berkeley.

**Peter Lee,** CFA, Portfolio Manager at VCM. He has worked in investment management since 2005, has been with Vanguard since 2012, and he has co-managed the Fund since April 2026. Education: B.S., Villanova University; M.I.S, Villanova University; M.B.A., University of Virginia Darden School

of Business.

**Thanh Nguyen,** CFA, Portfolio Manager at VCM. She has worked in investment management since 2005, has been with Vanguard since 2013, has managed investment portfolios since 2014, and has co-managed the Fund since April 2026. Education: B.A., Ohio Wesleyan University; M.B.A., The Wharton School of the University of Pennsylvania.

CFA<sup>®</sup> is a registered trademark owned by CFA Institute.©2026 The Vanguard Group, Inc. All rights reserved. Vanguard Marketing Corporation, Distributor.

PS PMG 042026

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![](vanguard.jpg)

**Vanguard Quantitative Funds (the "Trust")**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

**Supplement Dated April 16, 2026, to the Statement of Additional Information Dated December 2, 2025**

Effective today, Manuel Hayes has been added as co-portfolio manager of Vanguard Core-Plus Bond Index ETF (the "Fund"). The Fund's investment objective, strategies, and policies remain unchanged.

The Statement of Additional Information, as supplemented, provides information about the Fund's other portfolio manager, as of September 30, 2025. The table and text below provide updated information as of March 31, 2026, relating only to Mr. Hayes.

**Other Accounts Managed** 

---

| | | | | | |
|:---|:---|:---|:---|:---|:---|
| **Portfolio Manager** |  | **No. of** <br> **accounts**<br>| **Total assets** | **No. of accounts with**<br> **performance-based** <br> **fees**<br>| **Total assets in**<br> **accounts with**<br> **performance-based** <br> **fees**<br>|
| Manuel Hayes | Registered investment companies | &nbsp;&nbsp;&nbsp; 0 <br>| &nbsp;&nbsp;&nbsp; $0 | &nbsp;&nbsp;&nbsp; 0 | &nbsp;&nbsp;&nbsp; $0 |
|  | Other pooled investment vehicles | &nbsp;&nbsp;&nbsp; 0 | &nbsp;&nbsp;&nbsp; $0 | &nbsp;&nbsp;&nbsp; 0 | &nbsp;&nbsp;&nbsp; $0 |
|  | Other accounts | &nbsp;&nbsp;&nbsp; 0 | &nbsp;&nbsp;&nbsp; $0 | &nbsp;&nbsp;&nbsp; 0 | &nbsp;&nbsp;&nbsp; $0 |

---

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

**Ownership of Securities**

As of March 31, 2026, Mr. Hayes owned shares of the Fund within $1-$10,000 range.© 2026 The Vanguard Group, Inc. All rights reserved.

Vanguard Marketing Corporation, Distributor.

**SAI V056A 042026**

------