# EDGAR Filing Document

**Accession Number:** 0001710607
**File Stem:** 0001710607-23-000051
**Filing Date:** 2023-3
**Character Count:** 10054
**Document Hash:** 7b28b0c7b4c8db2dbcb8e2c15340fda4
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001710607-23-000051.hdr.sgml**: 20230324

**ACCESSION NUMBER**: 0001710607-23-000051

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20230324

**DATE AS OF CHANGE**: 20230324

**EFFECTIVENESS DATE**: 20230324

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AMERICAN CENTURY ETF TRUST
- **CENTRAL INDEX KEY:** 0001710607
- **IRS NUMBER:** 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:** 23759023

**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)

---

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

---

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

---

|  |  |  |
|:---|:---|:---|
| Class Name                                    | Ticker Symbol | Class ID   |
| American Century STOXX 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 STOXX U.S. Quality Growth ETF (Series ID: S000062302)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                     | Ticker Symbol | Class ID   |
| American Century STOXX 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 Low Volatility ETF (Series ID: S000070039)

---

|  |  |  |
|:---|:---|:---|
| Class Name                          | Ticker Symbol | Class ID   |
| American Century Low Volatility ETF | LVOL          | C000222947 |

---

### American Century Quality Convertible Securities ETF (Series ID: S000070040)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                          | Ticker Symbol | Class ID   |
| American Century Quality Convertible Securities ETF | QCON          | C000222948 |

---

### American Century Quality Preferred ETF (Series ID: S000070041)

---

|  |  |  |
|:---|:---|:---|
| Class Name                             | Ticker Symbol | Class ID   |
| American Century Quality Preferred ETF | QPFF          | C000222949 |

---

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

---

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

---

### American Century Emerging Markets Bond ETF (Series ID: S000072411)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                 | Ticker Symbol | Class ID   |
| American Century Emerging Markets Bond ETF | AEMB          | C000228611 |

---

### 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 |

---

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

| Class ID   | Class Name                                    | Ticker Symbol   |
|:---|:---|:---|
| C000197602 | American Century STOXX 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 STOXX U.S. Quality Growth ETF (Series ID: S000062302)

| Class ID   | Class Name                                     | Ticker Symbol   |
|:---|:---|:---|
| C000202059 | American Century STOXX 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 Low Volatility ETF (Series ID: S000070039)

| Class ID   | Class Name                          | Ticker Symbol   |
|:---|:---|:---|
| C000222947 | American Century Low Volatility ETF | LVOL            |

### American Century Quality Convertible Securities ETF (Series ID: S000070040)

| Class ID   | Class Name                                          | Ticker Symbol   |
|:---|:---|:---|
| C000222948 | American Century Quality Convertible Securities ETF | QCON            |

### American Century Quality Preferred ETF (Series ID: S000070041)

| Class ID   | Class Name                             | Ticker Symbol   |
|:---|:---|:---|
| C000222949 | American Century Quality Preferred ETF | QPFF            |

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

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

### American Century Emerging Markets Bond ETF (Series ID: S000072411)

| Class ID   | Class Name                                 | Ticker Symbol   |
|:---|:---|:---|
| C000228611 | American Century Emerging Markets Bond ETF | AEMB            |

### 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            |

---

| | |
|:---|:---|
| **Statement of Additional Information (SAI) Supplement**<br>**American Century ETF Trust** | ![newaci_logoblk.jpg](newaci_logoblk.jpg) |
| Supplement dated March 25, 2023 ■ Statement of Additional Information dated March 14, 2023 | Supplement dated March 25, 2023 ■ Statement of Additional Information dated March 14, 2023 |

---

**The changes below will be effective as of March 31, 2023.**

*The entries for Steven Rossi on pages 48 and 51 are deleted.*

*The following entry is added for Yulin Long in the* Accounts Managed *table on page 48 of the SAI:*

---

| | | | | |
|:---|:---|:---|:---|:---|
| **Accounts Managed** | **Accounts Managed** | **Accounts Managed** | **Accounts Managed** | **Accounts Managed** |
|  |  | *Registered Investment*<br>*Companies (e.g.,*<br>*American Century*<br>*Investments funds and*<br>*American Century*<br>*Investments -*<br>*subadvised funds)*  | *Other Pooled*<br>*Investment Vehicles*<br>*(e.g., commingled trusts*<br>*and 529 education*<br>*savings plans)*  | *Other Accounts (e.g.,*<br>*separate accounts and*<br>*corporate accounts,*<br>*including incubation*<br>*strategies and*<br>*corporate money)*  |
| Yulin Long<sup>1</sup> | Number of Accounts | 9 | 0 | 0 |
|  | Assets | *$7.3 billion*<sup>2</sup> | $0 | $0 |

---

<sup>1</sup> *Information provided as of March 20, 2023.*

<sup>2</sup> *Includes $8.2 million in American Century Low Volatility ETF.*

*The following entry is added in the* Ownership of Securities *table on page 51 of the SAI:*

---

| | |
|:---|:---|
| **Ownership of Securities** | |
|  | *Aggregate Dollar Range of Securities in Fund* |
| **American Century Low Volatility ETF** |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Yulin Long<sup>1</sup> | A |

---

<sup>1</sup> *Information provided as of March 20, 2023.*

*Ranges: A – none; B – $1-$10,000; C – $10,001-$50,000; D – $50,001-$100,000; E – $100,001-$500,000; <br>F – $500,001-$1,000,000; G – More than $1,000,000.*

<sup>©</sup>2023 American Century Proprietary Holdings, Inc. All rights reserved.CL-SPL-98054 2303

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