# EDGAR Filing Document

**Accession Number:** 0001710607
**File Stem:** 0001710607-25-000305
**Filing Date:** 2025-10
**Character Count:** 8403
**Document Hash:** 4e55853f53e34f498d655b7d7d2e53bb
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001710607-25-000305.hdr.sgml**: 20251010

**ACCESSION NUMBER**: 0001710607-25-000305

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20251010

**DATE AS OF CHANGE**: 20251010

**EFFECTIVENESS DATE**: 20251010

**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:** 251386939

**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 Diversified Corporate Bond ETF (Series ID: S000060785)

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|  |  |  |
|:---|:---|:---|
| Class Name                                      | Ticker Symbol | Class ID   |
| American Century Diversified Corporate Bond ETF | KORP          | C000197601 |

---

### American Century U.S. Quality Value ETF (Series ID: S000060786)

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|  |  |  |
|:---|:---|:---|
| Class Name                              | Ticker Symbol | Class ID   |
| American Century U.S. Quality Value ETF | VALQ          | C000197602 |

---

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

---

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

---

### American Century U.S. Quality Growth ETF (Series ID: S000062302)

---

|  |  |  |
|:---|:---|:---|
| Class Name                               | Ticker Symbol | Class ID   |
| American Century U.S. Quality Growth ETF | QGRO          | C000202059 |

---

### American Century Diversified Municipal Bond ETF (Series ID: S000063026)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                      | Ticker Symbol | Class ID   |
| American Century Diversified Municipal Bond ETF | TAXF          | C000204482 |

---

### American Century Multisector Income ETF (Series ID: S000072410)

---

|  |  |  |
|:---|:---|:---|
| Class Name                              | Ticker Symbol | Class ID   |
| American Century Multisector Income ETF | MUSI          | C000228610 |

---

### American Century Select High Yield ETF (Series ID: S000074150)

---

|  |  |  |
|:---|:---|:---|
| Class Name                             | Ticker Symbol | Class ID   |
| American Century Select High Yield ETF | AHYB          | C000231722 |

---

### American Century Short Duration Strategic Income ETF (Series ID: S000077487)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                           | Ticker Symbol | Class ID   |
| American Century Short Duration Strategic Income ETF | SDSI          | C000237948 |

---

### American Century Multisector Floating Income ETF (Series ID: S000079797)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                       | Ticker Symbol | Class ID   |
| American Century Multisector Floating Income ETF | FUSI          | C000241171 |

---

### American Century California Municipal Bond ETF (Series ID: S000085330)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                     | Ticker Symbol | Class ID   |
| American Century California Municipal Bond ETF | CATF          | C000250325 |

---

### American Century Small Cap Value Insights ETF (Series ID: S000093802)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                    | Ticker Symbol | Class ID   |
| American Century Small Cap Value Insights ETF | ACSV          | C000262250 |

---

### American Century Small Cap Growth Insights ETF (Series ID: S000093803)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                     | Ticker Symbol | Class ID   |
| American Century Small Cap Growth Insights ETF | ACSG          | C000262251 |

---

## Series and Classes Contracts Data

### American Century Diversified Corporate Bond ETF (Series ID: S000060785)

| Class ID   | Class Name                                      | Ticker Symbol   |
|:---|:---|:---|
| C000197601 | American Century Diversified Corporate Bond ETF | KORP            |

### American Century U.S. Quality Value ETF (Series ID: S000060786)

| Class ID   | Class Name                              | Ticker Symbol   |
|:---|:---|:---|
| C000197602 | American Century U.S. Quality Value ETF | VALQ            |

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

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

### American Century U.S. Quality Growth ETF (Series ID: S000062302)

| Class ID   | Class Name                               | Ticker Symbol   |
|:---|:---|:---|
| C000202059 | American Century U.S. Quality Growth ETF | QGRO            |

### American Century Diversified Municipal Bond ETF (Series ID: S000063026)

| Class ID   | Class Name                                      | Ticker Symbol   |
|:---|:---|:---|
| C000204482 | American Century Diversified Municipal Bond ETF | TAXF            |

### American Century Multisector Income ETF (Series ID: S000072410)

| Class ID   | Class Name                              | Ticker Symbol   |
|:---|:---|:---|
| C000228610 | American Century Multisector Income ETF | MUSI            |

### American Century Select High Yield ETF (Series ID: S000074150)

| Class ID   | Class Name                             | Ticker Symbol   |
|:---|:---|:---|
| C000231722 | American Century Select High Yield ETF | AHYB            |

### American Century Short Duration Strategic Income ETF (Series ID: S000077487)

| Class ID   | Class Name                                           | Ticker Symbol   |
|:---|:---|:---|
| C000237948 | American Century Short Duration Strategic Income ETF | SDSI            |

### American Century Multisector Floating Income ETF (Series ID: S000079797)

| Class ID   | Class Name                                       | Ticker Symbol   |
|:---|:---|:---|
| C000241171 | American Century Multisector Floating Income ETF | FUSI            |

### American Century California Municipal Bond ETF (Series ID: S000085330)

| Class ID   | Class Name                                     | Ticker Symbol   |
|:---|:---|:---|
| C000250325 | American Century California Municipal Bond ETF | CATF            |

### American Century Small Cap Value Insights ETF (Series ID: S000093802)

| Class ID   | Class Name                                    | Ticker Symbol   |
|:---|:---|:---|
| C000262250 | American Century Small Cap Value Insights ETF | ACSV            |

### American Century Small Cap Growth Insights ETF (Series ID: S000093803)

| Class ID   | Class Name                                     | Ticker Symbol   |
|:---|:---|:---|
| C000262251 | American Century Small Cap Growth Insights ETF | ACSG            |

---

| | |
|:---|:---|
| **Statement of Additional Information (SAI) Supplement**<br>**American Century ETF Trust** | ![newaci_logoblkg97a.jpg](newaci_logoblkg97a.jpg) |
| Supplement dated October 14, 2025 ■ Statement of Additional Information dated August 5, 2025 | Supplement dated October 14, 2025 ■ Statement of Additional Information dated August 5, 2025 |

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*The following replaces the information for American Century Small Cap Growth Insights ETF and American Century Small Cap Value Insights ETF in the first table in the* Creation and Redemption of Creation Units *section on page 43:*

---

| | |
|:---|:---|
| **Fund** | **Shares Per Creation Unit** |
| American Century Small Cap Growth Insights ETF | 12,500 |
| American Century Small Cap Value Insights ETF | 12,500 |

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

CL-SPL-98795 2510

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