# EDGAR Filing Document

**Accession Number:** 0002038383
**File Stem:** 0001999371-25-007025
**Filing Date:** 2025-6
**Character Count:** 3420
**Document Hash:** b60343eba370c618494f1a08f211b679
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001999371-25-007025.hdr.sgml**: 20250602

**ACCESSION NUMBER**: 0001999371-25-007025

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250602

**DATE AS OF CHANGE**: 20250602

**EFFECTIVENESS DATE**: 20250602

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Thornburg ETF Trust
- **CENTRAL INDEX KEY:** 0002038383

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-282372
- **FILM NUMBER:** 251014740

**BUSINESS ADDRESS:**
- **STREET 1:** 2300 NORTH RIDGETOP ROAD
- **CITY:** SANTA FE
- **STATE:** NM
- **ZIP:** 87506
- **BUSINESS PHONE:** 617-235-4739

**MAIL ADDRESS:**
- **STREET 1:** 2300 NORTH RIDGETOP ROAD
- **CITY:** SANTA FE
- **STATE:** NM
- **ZIP:** 87506

## Series and Classes Contracts Data

### Thornburg Core Plus Bond ETF (Series ID: S000089219)

---

|  |  |  |
|:---|:---|:---|
| Class Name                   | Ticker Symbol | Class ID   |
| Thornburg Core Plus Bond ETF | TPLS          | C000255734 |

---

### Thornburg Multi Sector Bond ETF (Series ID: S000089220)

---

|  |  |  |
|:---|:---|:---|
| Class Name                      | Ticker Symbol | Class ID   |
| Thornburg Multi Sector Bond ETF | TMB           | C000255735 |

---

### Thornburg International Equity ETF (Series ID: S000089221)

---

|  |  |  |
|:---|:---|:---|
| Class Name                         | Ticker Symbol | Class ID   |
| Thornburg International Equity ETF | TXUE          | C000255736 |

---

### Thornburg International Growth ETF (Series ID: S000089222)

---

|  |  |  |
|:---|:---|:---|
| Class Name                         | Ticker Symbol | Class ID   |
| Thornburg International Growth ETF | TXUG          | C000255737 |

---

## Series and Classes Contracts Data

### Thornburg Core Plus Bond ETF (Series ID: S000089219)

| Class ID   | Class Name                   | Ticker Symbol   |
|:---|:---|:---|
| C000255734 | Thornburg Core Plus Bond ETF | TPLS            |

### Thornburg Multi Sector Bond ETF (Series ID: S000089220)

| Class ID   | Class Name                      | Ticker Symbol   |
|:---|:---|:---|
| C000255735 | Thornburg Multi Sector Bond ETF | TMB             |

### Thornburg International Equity ETF (Series ID: S000089221)

| Class ID   | Class Name                         | Ticker Symbol   |
|:---|:---|:---|
| C000255736 | Thornburg International Equity ETF | TXUE            |

### Thornburg International Growth ETF (Series ID: S000089222)

| Class ID   | Class Name                         | Ticker Symbol   |
|:---|:---|:---|
| C000255737 | Thornburg International Growth ETF | TXUG            |

![](thornburg_001.jpg)

**THORNBURG ETF TRUST**

**Supplement, dated June 2, 2025**

**to the Statement of Additional Information (the "SAI"), dated January 17, 2025,<br> of the following series of Thornburg ETF Trust:** 

**Thornburg Core Plus Bond ETF**

**Thornburg Multi Sector Bond ETF**

**Thornburg International Equity ETF**

**Thornburg International Growth ETF**

Effective immediately, the section of the SAI titled "Consultant to the Adviser" is deleted in its entirety.

Shareholders should retain this supplement for future reference. This supplement provides new information beyond that contained in the SAI and should be read in conjunction with the SAI.