# EDGAR Filing Document

**Accession Number:** 0002081199
**File Stem:** 0001193125-26-015068
**Filing Date:** 2026-1
**Character Count:** 3107
**Document Hash:** d4d80fba946b782194260da84875e4a8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-015068.hdr.sgml**: 20260116

**ACCESSION NUMBER**: 0001193125-26-015068

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 14

**FILED AS OF DATE**: 20260116

**DATE AS OF CHANGE**: 20260116

**EFFECTIVENESS DATE**: 20260116

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Baron ETF Trust
- **CENTRAL INDEX KEY:** 0002081199

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

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-289683
- **FILM NUMBER:** 26538750

**BUSINESS ADDRESS:**
- **STREET 1:** 767 FIFTH AVENUE, 49TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10153
- **BUSINESS PHONE:** 212-583-2000

**MAIL ADDRESS:**
- **STREET 1:** 767 FIFTH AVENUE, 49TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10153

## Series and Classes Contracts Data

### Baron First Principles ETF (Series ID: S000096481)

---

|  |  |  |
|:---|:---|:---|
| Class Name                 | Ticker Symbol | Class ID   |
| Baron First Principles ETF | RONB          | C000265316 |

---

## Series and Classes Contracts Data

### Baron First Principles ETF (Series ID: S000096481)

| Class ID   | Class Name                 | Ticker Symbol   |
|:---|:---|:---|
| C000265316 | Baron First Principles ETF | RONB            |

?xml version='1.0' encoding='ASCII'? Baron ETF Trust

------

#### BARON ETF TRUST<sup>™</sup>

#### BARON FIRST PRINCIPLES ETF<sup>™</sup>
Supplement to the Summary Prospectus and Prospectus dated December 5, 2025

Effective immediately, the Summary Prospectus and Prospectus of the Baron First Principles ETF (the "Fund") are modified as follows:

On page 1 of the Summary Prospectus and page 1 of the Prospectus of the Fund, the following table supersedes and replaces the Annual Fund Operating Expenses table in the section "**Fees and Expenses of the Fund**":

#### Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)

---

| | | | |
|:---|:---|:---|:---|
|  | Management Fee<sup>1</sup> | Other Expenses<sup>2</sup> | Total Annual<br>Fund<br>Operating<br>Expenses |
| Baron First Principles ETF |  |  |  |
|  | 1.00% | 0.00% | 1.00% |

---

<sup>1</sup> Pursuant to the Fund's unitary management fee structure, BAMCO, Inc. ("BAMCO" or the "Adviser") will pay all expenses of the Fund, except for portfolio transaction costs, interest and dividend expense, acquired fund fees and expenses, fees and expenses related to filing foreign tax reclaims, line of credit expenses, and extraordinary expenses.

<sup>2</sup> "Other Expenses" have been estimated for the current fiscal year.

On page 1 of the Summary Prospectus and page 1 of the Prospectus of the Fund, the following table supersedes and replaces the Example table in the section "**Fees and Expenses of the Fund**":

---

| | | |
|:---|:---|:---|
| YEAR | 1 | 3 |
| Baron First Principles ETF |  |  |
|  | $102 | $318 |

---

Dated: January 16, 2026

STICKER-STATPRO-ETFTRUST 1/16/2026