# EDGAR Filing Document

**Accession Number:** 0000810902
**File Stem:** 0001193125-25-180644
**Filing Date:** 2025-8
**Character Count:** 6102
**Document Hash:** 4b11073860b5143dcf9c5ee03a337433
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-180644.hdr.sgml**: 20250814

**ACCESSION NUMBER**: 0001193125-25-180644

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250814

**DATE AS OF CHANGE**: 20250814

**EFFECTIVENESS DATE**: 20250814

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND)
- **CENTRAL INDEX KEY:** 0000810902

**ORGANIZATION NAME:**
- **EIN:** 136891420
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-12112
- **FILM NUMBER:** 251217141

**BUSINESS ADDRESS:**
- **STREET 1:** 767 FIFTH AVE
- **STREET 2:** 49TH FL
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10153
- **BUSINESS PHONE:** 2125832000

**MAIL ADDRESS:**
- **STREET 1:** 767 FIFTH AVE
- **STREET 2:** 49TH FL
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10153

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BARON ASSET FUND
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### BARON ASSET FUND (Series ID: S000000582)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| BARON ASSET FUND     | BARAX         | C000001635 |
| Institutional Shares | BARIX         | C000077818 |
| R6 Shares            | BARUX         | C000165210 |

---

### BARON GROWTH FUND (Series ID: S000000583)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| BARON GROWTH FUND    | BGRFX         | C000001636 |
| Institutional Shares | BGRIX         | C000077819 |
| R6 Shares            | BGRUX         | C000165211 |

---

### BARON SMALL CAP FUND (Series ID: S000000584)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| BARON SMALL CAP FUND | BSCFX         | C000001637 |
| Institutional Shares | BSFIX         | C000077820 |
| R6 Shares            | BSCUX         | C000165212 |

---

### BARON OPPORTUNITY FUND (Series ID: S000000585)

---

|  |  |  |
|:---|:---|:---|
| Class Name             | Ticker Symbol | Class ID   |
| BARON OPPORTUNITY FUND | BIOPX         | C000001638 |
| Institutional Shares   | BIOIX         | C000077821 |
| R6 Shares              | BIOUX         | C000174753 |

---

### BARON FIFTH AVENUE GROWTH FUND (Series ID: S000000586)

---

|  |  |  |
|:---|:---|:---|
| Class Name                     | Ticker Symbol | Class ID   |
| BARON FIFTH AVENUE GROWTH FUND | BFTHX         | C000001639 |
| Institutional Shares           | BFTIX         | C000077822 |
| R6 Shares                      | BFTUX         | C000165213 |

---

### BARON DISCOVERY FUND (Series ID: S000042178)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| BARON DISCOVERY FUND | BDFFX         | C000130959 |
| Institutional Shares | BDFIX         | C000130960 |
| R6 Shares            | BDFUX         | C000174754 |

---

### Baron Durable Advantage Fund (Series ID: S000060168)

---

|  |  |  |
|:---|:---|:---|
| Class Name                   | Ticker Symbol | Class ID   |
| Baron Durable Advantage Fund | BDAFX         | C000196921 |
| Institutional Shares         | BDAIX         | C000196922 |
| R6 Shares                    | BDAUX         | C000196923 |

---

## Series and Classes Contracts Data

### BARON ASSET FUND (Series ID: S000000582)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000001635 | BARON ASSET FUND     | BARAX           |
| C000077818 | Institutional Shares | BARIX           |
| C000165210 | R6 Shares            | BARUX           |

### BARON GROWTH FUND (Series ID: S000000583)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000001636 | BARON GROWTH FUND    | BGRFX           |
| C000077819 | Institutional Shares | BGRIX           |
| C000165211 | R6 Shares            | BGRUX           |

### BARON SMALL CAP FUND (Series ID: S000000584)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000001637 | BARON SMALL CAP FUND | BSCFX           |
| C000077820 | Institutional Shares | BSFIX           |
| C000165212 | R6 Shares            | BSCUX           |

### BARON OPPORTUNITY FUND (Series ID: S000000585)

| Class ID   | Class Name             | Ticker Symbol   |
|:---|:---|:---|
| C000001638 | BARON OPPORTUNITY FUND | BIOPX           |
| C000077821 | Institutional Shares   | BIOIX           |
| C000174753 | R6 Shares              | BIOUX           |

### BARON FIFTH AVENUE GROWTH FUND (Series ID: S000000586)

| Class ID   | Class Name                     | Ticker Symbol   |
|:---|:---|:---|
| C000001639 | BARON FIFTH AVENUE GROWTH FUND | BFTHX           |
| C000077822 | Institutional Shares           | BFTIX           |
| C000165213 | R6 Shares                      | BFTUX           |

### BARON DISCOVERY FUND (Series ID: S000042178)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000130959 | BARON DISCOVERY FUND | BDFFX           |
| C000130960 | Institutional Shares | BDFIX           |
| C000174754 | R6 Shares            | BDFUX           |

### Baron Durable Advantage Fund (Series ID: S000060168)

| Class ID   | Class Name                   | Ticker Symbol   |
|:---|:---|:---|
| C000196921 | Baron Durable Advantage Fund | BDAFX           |
| C000196922 | Institutional Shares         | BDAIX           |
| C000196923 | R6 Shares                    | BDAUX           |

**BARON** 

**FUNDS<sup>®</sup>** 

**BARON INVESTMENT FUNDS TRUST<sup>®</sup>** 

Supplement to the Prospectus and Statement of Additional Information

dated January 28, 2025

**Effective October 1, 2025, Baron Global Advantage Fund's name will change to Baron Global Opportunity Fund. Accordingly, effective October 1, 2025, all references to Baron Global Advantage Fund in the Prospectus and Statement of Additional Information of Baron Investment Funds Trust will be replaced with Baron Global Opportunity Fund.** 

Dated: August 14, 2025

STICKER-STATPROTRUST 8/14/2025