# EDGAR Filing Document

**Accession Number:** 0000891190
**File Stem:** 0000891190-26-000083
**Filing Date:** 2026-3
**Character Count:** 7259
**Document Hash:** 0a1c19b3132d35476c84c2b3b3bbf029
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000891190-26-000083.hdr.sgml**: 20260325

**ACCESSION NUMBER**: 0000891190-26-000083

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260325

**DATE AS OF CHANGE**: 20260325

**EFFECTIVENESS DATE**: 20260325

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** VANGUARD ADMIRAL FUNDS
- **CENTRAL INDEX KEY:** 0000891190

**ORGANIZATION NAME:**
- **EIN:** 232696041
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0831

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-49023
- **FILM NUMBER:** 26788587

**BUSINESS ADDRESS:**
- **STREET 1:** P.O. BOX 2600, V26
- **CITY:** VALLEY FORGE
- **STATE:** PA
- **ZIP:** 19482
- **BUSINESS PHONE:** 6106691000

**MAIL ADDRESS:**
- **STREET 1:** P.O. BOX 2600  V26
- **CITY:** VALLEY FORGE
- **STATE:** PA
- **ZIP:** 19482

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** VANGUARD ADMIRAL FUNDS INC
- **DATE OF NAME CHANGE:** 19920908

## Series and Classes Contracts Data

### Vanguard S&P 500 Growth Index Fund (Series ID: S000030012)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| ETF Shares           | VOOG          | C000092034 |
| Institutional Shares | VSPGX         | C000092035 |

---

### Vanguard S&P 500 Value Index Fund (Series ID: S000030013)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| ETF Shares           | VOOV          | C000092036 |
| Institutional Shares | VSPVX         | C000092037 |

---

### Vanguard S&P Mid-Cap 400 Index Fund (Series ID: S000030014)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| ETF Shares           | IVOO          | C000092038 |
| Institutional Shares | VSPMX         | C000092039 |

---

### Vanguard S&P Mid-Cap 400 Value Index Fund (Series ID: S000030015)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| ETF Shares           | IVOV          | C000092040 |
| Institutional Shares | VMFVX         | C000092041 |

---

### Vanguard S&P Mid-Cap 400 Growth Index Fund (Series ID: S000030016)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Institutional Shares | VMFGX         | C000092042 |
| ETF Shares           | IVOG          | C000092043 |

---

### Vanguard S&P Small-Cap 600 Index Fund (Series ID: S000030017)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| ETF Shares           | VIOO          | C000092044 |
| Institutional Shares | VSMSX         | C000092045 |

---

### Vanguard S&P Small-Cap 600 Growth Index Fund (Series ID: S000030018)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| ETF Shares | VIOG          | C000092046 |

---

### Vanguard S&P Small-Cap 600 Value Index Fund (Series ID: S000030019)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| ETF Shares           | VIOV          | C000092048 |
| Institutional Shares | VSMVX         | C000092049 |

---

## Series and Classes Contracts Data

### Vanguard S&P 500 Growth Index Fund (Series ID: S000030012)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000092034 | ETF Shares           | VOOG            |
| C000092035 | Institutional Shares | VSPGX           |

### Vanguard S&P 500 Value Index Fund (Series ID: S000030013)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000092036 | ETF Shares           | VOOV            |
| C000092037 | Institutional Shares | VSPVX           |

### Vanguard S&P Mid-Cap 400 Index Fund (Series ID: S000030014)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000092038 | ETF Shares           | IVOO            |
| C000092039 | Institutional Shares | VSPMX           |

### Vanguard S&P Mid-Cap 400 Value Index Fund (Series ID: S000030015)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000092040 | ETF Shares           | IVOV            |
| C000092041 | Institutional Shares | VMFVX           |

### Vanguard S&P Mid-Cap 400 Growth Index Fund (Series ID: S000030016)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000092042 | Institutional Shares | VMFGX           |
| C000092043 | ETF Shares           | IVOG            |

### Vanguard S&P Small-Cap 600 Index Fund (Series ID: S000030017)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000092044 | ETF Shares           | VIOO            |
| C000092045 | Institutional Shares | VSMSX           |

### Vanguard S&P Small-Cap 600 Growth Index Fund (Series ID: S000030018)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000092046 | ETF Shares   | VIOG            |

### Vanguard S&P Small-Cap 600 Value Index Fund (Series ID: S000030019)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000092048 | ETF Shares           | VIOV            |
| C000092049 | Institutional Shares | VSMVX           |

![](vanguard.jpg)

**Vanguard Admiral Funds**<sup>®</sup>

**Supplement Dated March 25, 2026, to the Statement of Additional Information Dated December 19, 2025**

In the Portfolio Transactions section, the information in the broker-dealer table is replaced in its entirety with the table below. The table shows the securities of regular brokers or dealers, (or their parent companies) as defined under applicable federal securities regulations, that each Fund held during the fiscal year ended August 31, 2025. The aggregate value of those holdings is as of August 31, 2025.

---

| | | |
|:---|:---|:---|
| **Vanguard Fund** | **Regular Broker or Dealer (or Parent)** | **Aggregate Holdings** |
| Vanguard S&P 500 Growth Index Fund | J.P. Morgan Securities LLC | &nbsp;&nbsp; $315300000 |
|  | Morgan Stanley & Co. LLC | &nbsp;&nbsp;&nbsp;&nbsp; 55252000 |
| Vanguard S&P 500 Value Index Fund | BofA Securities, Inc. | &nbsp;&nbsp;&nbsp;&nbsp; 76296000 |
|  | Citigroup, Inc. | &nbsp;&nbsp;&nbsp;&nbsp; 41390000 |
|  | Goldman Sachs & Co. LLC | &nbsp;&nbsp;&nbsp;&nbsp; 52472000 |
|  | J.P. Morgan Securities LLC | &nbsp;&nbsp;&nbsp;&nbsp; 82647000 |
|  | Morgan Stanley & Co. LLC | &nbsp;&nbsp;&nbsp;&nbsp; 23447000 |
| Vanguard S&P Mid-Cap 400 Growth Index Fund |  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; — |
| Vanguard S&P Mid-Cap 400 Index Fund | Jefferies LLC | &nbsp;&nbsp;&nbsp;&nbsp; 15647000 |
| Vanguard S&P Mid-Cap 400 Value Index Fund | Jefferies LLC | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3956000 |
| Vanguard S&P Small-Cap 600 Growth Index Fund | Virtu Americas LLC | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4031000 |
| Vanguard S&P Small-Cap 600 Index Fund | Virtu Americas LLC | &nbsp;&nbsp;&nbsp;&nbsp; 11089000 |
| Vanguard S&P Small-Cap 600 Value Index Fund | Virtu Americas LLC | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; — |

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© 2026 The Vanguard Group, Inc. All rights reserved.

Vanguard Marketing Corporation, Distributor.

**SAI 3340A 032026**

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