# EDGAR Filing Document

**Accession Number:** 0001710607
**File Stem:** 0001710607-25-000298
**Filing Date:** 2025-9
**Character Count:** 10812
**Document Hash:** c3f702aef8de2b0a98a75367c56a9e33
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001710607-25-000298.hdr.sgml**: 20250919

**ACCESSION NUMBER**: 0001710607-25-000298

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250919

**DATE AS OF CHANGE**: 20250919

**EFFECTIVENESS DATE**: 20250919

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AMERICAN CENTURY ETF TRUST
- **CENTRAL INDEX KEY:** 0001710607

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0831

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-221045
- **FILM NUMBER:** 251325341

**BUSINESS ADDRESS:**
- **STREET 1:** 4500 MAIN STREET
- **CITY:** KANSAS CITY
- **STATE:** MO
- **ZIP:** 64111
- **BUSINESS PHONE:** (816) 531-5575

**MAIL ADDRESS:**
- **STREET 1:** 4500 MAIN STREET
- **CITY:** KANSAS CITY
- **STATE:** MO
- **ZIP:** 64111

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** American Century ETF Trust
- **DATE OF NAME CHANGE:** 20170628

## Series and Classes Contracts Data

### American Century Quality Diversified International ETF (Series ID: S000062301)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                             | Ticker Symbol | Class ID   |
| American Century Quality Diversified International ETF | QINT          | C000202058 |

---

### Avantis Emerging Markets Equity ETF (Series ID: S000066454)

---

|  |  |  |
|:---|:---|:---|
| Class Name                          | Ticker Symbol | Class ID   |
| Avantis Emerging Markets Equity ETF | AVEM          | C000214349 |

---

### Avantis International Equity ETF (Series ID: S000066456)

---

|  |  |  |
|:---|:---|:---|
| Class Name                       | Ticker Symbol | Class ID   |
| Avantis International Equity ETF | AVDE          | C000214351 |

---

### Avantis International Small Cap Value ETF (Series ID: S000066457)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                | Ticker Symbol | Class ID   |
| Avantis International Small Cap Value ETF | AVDV          | C000214352 |

---

### Avantis Emerging Markets Value ETF (Series ID: S000072996)

---

|  |  |  |
|:---|:---|:---|
| Class Name                         | Ticker Symbol | Class ID   |
| Avantis Emerging Markets Value ETF | AVES          | C000229745 |

---

### Avantis International Large Cap Value ETF (Series ID: S000072997)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                | Ticker Symbol | Class ID   |
| Avantis International Large Cap Value ETF | AVIV          | C000229746 |

---

### Avantis Responsible Emerging Markets Equity ETF (Series ID: S000075381)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                      | Ticker Symbol | Class ID   |
| Avantis Responsible Emerging Markets Equity ETF | AVSE          | C000234360 |

---

### Avantis Responsible International Equity ETF (Series ID: S000075382)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                   | Ticker Symbol | Class ID   |
| Avantis Responsible International Equity ETF | AVSD          | C000234361 |

---

### Avantis All Equity Markets ETF (Series ID: S000077486)

---

|  |  |  |
|:---|:---|:---|
| Class Name                     | Ticker Symbol | Class ID   |
| Avantis All Equity Markets ETF | AVGE          | C000237947 |

---

### Avantis All Equity Markets Value ETF (Series ID: S000080557)

---

|  |  |  |
|:---|:---|:---|
| Class Name                           | Ticker Symbol | Class ID   |
| Avantis All Equity Markets Value ETF | AVGV          | C000243037 |

---

### Avantis International Small Cap Equity ETF (Series ID: S000080558)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                 | Ticker Symbol | Class ID   |
| Avantis International Small Cap Equity ETF | AVDS          | C000243038 |

---

### Avantis Moderate Allocation ETF (Series ID: S000080559)

---

|  |  |  |
|:---|:---|:---|
| Class Name                      | Ticker Symbol | Class ID   |
| Avantis Moderate Allocation ETF | AVMA          | C000243039 |

---

### Avantis All International Markets Equity ETF (Series ID: S000080560)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                   | Ticker Symbol | Class ID   |
| Avantis All International Markets Equity ETF | AVNM          | C000243040 |

---

### Avantis All International Markets Value ETF (Series ID: S000080561)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                  | Ticker Symbol | Class ID   |
| Avantis All International Markets Value ETF | AVNV          | C000243041 |

---

### Avantis Emerging Markets Small Cap Equity ETF (Series ID: S000082825)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                    | Ticker Symbol | Class ID   |
| Avantis Emerging Markets Small Cap Equity ETF | AVEE          | C000246147 |

---

### Avantis Emerging Markets ex-China Equity ETF (Series ID: S000083425)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                   | Ticker Symbol | Class ID   |
| Avantis Emerging Markets ex-China Equity ETF | AVXC          | C000247037 |

---

## Series and Classes Contracts Data

### American Century Quality Diversified International ETF (Series ID: S000062301)

| Class ID   | Class Name                                             | Ticker Symbol   |
|:---|:---|:---|
| C000202058 | American Century Quality Diversified International ETF | QINT            |

### Avantis Emerging Markets Equity ETF (Series ID: S000066454)

| Class ID   | Class Name                          | Ticker Symbol   |
|:---|:---|:---|
| C000214349 | Avantis Emerging Markets Equity ETF | AVEM            |

### Avantis International Equity ETF (Series ID: S000066456)

| Class ID   | Class Name                       | Ticker Symbol   |
|:---|:---|:---|
| C000214351 | Avantis International Equity ETF | AVDE            |

### Avantis International Small Cap Value ETF (Series ID: S000066457)

| Class ID   | Class Name                                | Ticker Symbol   |
|:---|:---|:---|
| C000214352 | Avantis International Small Cap Value ETF | AVDV            |

### Avantis Emerging Markets Value ETF (Series ID: S000072996)

| Class ID   | Class Name                         | Ticker Symbol   |
|:---|:---|:---|
| C000229745 | Avantis Emerging Markets Value ETF | AVES            |

### Avantis International Large Cap Value ETF (Series ID: S000072997)

| Class ID   | Class Name                                | Ticker Symbol   |
|:---|:---|:---|
| C000229746 | Avantis International Large Cap Value ETF | AVIV            |

### Avantis Responsible Emerging Markets Equity ETF (Series ID: S000075381)

| Class ID   | Class Name                                      | Ticker Symbol   |
|:---|:---|:---|
| C000234360 | Avantis Responsible Emerging Markets Equity ETF | AVSE            |

### Avantis Responsible International Equity ETF (Series ID: S000075382)

| Class ID   | Class Name                                   | Ticker Symbol   |
|:---|:---|:---|
| C000234361 | Avantis Responsible International Equity ETF | AVSD            |

### Avantis All Equity Markets ETF (Series ID: S000077486)

| Class ID   | Class Name                     | Ticker Symbol   |
|:---|:---|:---|
| C000237947 | Avantis All Equity Markets ETF | AVGE            |

### Avantis All Equity Markets Value ETF (Series ID: S000080557)

| Class ID   | Class Name                           | Ticker Symbol   |
|:---|:---|:---|
| C000243037 | Avantis All Equity Markets Value ETF | AVGV            |

### Avantis International Small Cap Equity ETF (Series ID: S000080558)

| Class ID   | Class Name                                 | Ticker Symbol   |
|:---|:---|:---|
| C000243038 | Avantis International Small Cap Equity ETF | AVDS            |

### Avantis Moderate Allocation ETF (Series ID: S000080559)

| Class ID   | Class Name                      | Ticker Symbol   |
|:---|:---|:---|
| C000243039 | Avantis Moderate Allocation ETF | AVMA            |

### Avantis All International Markets Equity ETF (Series ID: S000080560)

| Class ID   | Class Name                                   | Ticker Symbol   |
|:---|:---|:---|
| C000243040 | Avantis All International Markets Equity ETF | AVNM            |

### Avantis All International Markets Value ETF (Series ID: S000080561)

| Class ID   | Class Name                                  | Ticker Symbol   |
|:---|:---|:---|
| C000243041 | Avantis All International Markets Value ETF | AVNV            |

### Avantis Emerging Markets Small Cap Equity ETF (Series ID: S000082825)

| Class ID   | Class Name                                    | Ticker Symbol   |
|:---|:---|:---|
| C000246147 | Avantis Emerging Markets Small Cap Equity ETF | AVEE            |

### Avantis Emerging Markets ex-China Equity ETF (Series ID: S000083425)

| Class ID   | Class Name                                   | Ticker Symbol   |
|:---|:---|:---|
| C000247037 | Avantis Emerging Markets ex-China Equity ETF | AVXC            |

---

| | |
|:---|:---|
| American Century ETF Trust<br>**Prospectus Supplement**<br>**American Century**<sup>®</sup> **Quality Diversified International ETF**<br>**Avantis**<sup>®</sup> **All Equity Markets ETF**<br>**Avantis**<sup>®</sup> **All Equity Markets Value ETF**<br>**Avantis**<sup>®</sup> **All International Markets Equity ETF**<br>**Avantis**<sup>®</sup> **All International Markets Value ETF**<br>**Avantis**<sup>®</sup> **Emerging Markets Equity ETF**<br>**Avantis**<sup>®</sup> **Emerging Markets ex-China Equity ETF**<br>**Avantis**<sup>®</sup> **Emerging Markets Small Cap Equity ETF**<br>**Avantis**<sup>®</sup> **Emerging Markets Value ETF**<br>**Avantis**<sup>®</sup> **International Equity ETF**<br>**Avantis**<sup>®</sup> **International Large Cap Value ETF**<br>**Avantis**<sup>®</sup> **International Small Cap Equity ETF**<br>**Avantis**<sup>®</sup> **International Small Cap Value ETF**<br>**Avantis**<sup>®</sup> **Moderate Allocation ETF**<br>**Avantis**<sup>®</sup> **Responsible Emerging Markets Equity ETF**<br>**Avantis**<sup>®</sup> **Responsible International Equity ETF** | ![newaci_logoblkg97.jpg](newaci_logoblkg97.jpg) |
| Supplement dated September 20, 2025 ■ Prospectuses dated January 1, 2025 | Supplement dated September 20, 2025 ■ Prospectuses dated January 1, 2025 |

---

*The funds' Board of Trustees has approved a change to the funds' policies regarding distribution of income to shareholders. Effective January 1, 2026, each fund's income distribution interval will change from semiannual to quarterly.*

<br>©2025 American Century Proprietary Holdings, Inc. All rights reserved.

CL-SPL-98777 2509

<br>