# EDGAR Filing Document

**Accession Number:** 0001353176
**File Stem:** 0001353176-26-000005
**Filing Date:** 2026-3
**Character Count:** 2891
**Document Hash:** 2aa331fa3b5e304c038feb11574db4c6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001353176-26-000005.hdr.sgml**: 20260306

**ACCESSION NUMBER**: 0001353176-26-000005

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260306

**DATE AS OF CHANGE**: 20260306

**EFFECTIVENESS DATE**: 20260306

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AMERICAN CENTURY GROWTH FUNDS, INC.
- **CENTRAL INDEX KEY:** 0001353176

**ORGANIZATION NAME:**
- **EIN:** 204223518
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 0731

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-132114
- **FILM NUMBER:** 26731818

**BUSINESS ADDRESS:**
- **STREET 1:** 4500 MAIN STREET
- **STREET 2:** 9TH FLOOR
- **CITY:** KANSAS CITY
- **STATE:** MO
- **ZIP:** 64111
- **BUSINESS PHONE:** 816-531-5575

**MAIL ADDRESS:**
- **STREET 1:** 4500 MAIN STREET
- **STREET 2:** 9TH FLOOR
- **CITY:** KANSAS CITY
- **STATE:** MO
- **ZIP:** 64111

## Series and Classes Contracts Data

### FOCUSED DYNAMIC GROWTH FUND (Series ID: S000012177)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000033214 | INVESTOR CLASS | ACFOX           |
| C000033215 | I CLASS        | ACFSX           |
| C000033216 | A CLASS        | ACFDX           |
| C000033217 | R CLASS        | ACFCX           |
| C000174988 | R6 Class       | ACFNX           |
| C000212516 | G Class        | ACFGX           |

---

| | |
|:---|:---|
| **Summary Prospectus and Prospectus Supplement**<br>**American Century**<sup>®</sup> **Focused Dynamic Growth ETF**<br>Summary Prospectus and Prospectus dated January 1, 2025<br>**Focused Dynamic Growth Fund**<br>Summary Prospectus and Prospectus dated December 1, 2025 | ![aci_horizxrgbxblackcroppeda.jpg](aci_horizxrgbxblackcroppeda.jpg) |
| Supplement dated March 7, 2026 | Supplement dated March 7, 2026 |

---

*Henry He, CFA, Vice President and Portfolio Manager, will no longer serve as portfolio manager for the funds effective March 31, 2026.*

*The following entry is added for Yeon Hee Oh in the* Portfolio Managers *section effective March 15, 2026:*

**Yeon Hee Oh,** Portfolio Manager and Senior Investment Analyst, has been a member of the team that manages the fund since 2022.

*The following entry is added for Yeon Hee Oh in* The Fund Management Team *section effective March 15, 2026:*

**Yeon Hee Oh**

Ms. Oh, Portfolio Manager and Senior Investment Analyst, has been a member of the team that manages the fund since joining the advisor in 2022. She joined American Century Investments as a senior investment analyst, and became a portfolio manager in 2026. She has a bachelor's degree in economics from Barnard College and a master's degree in business administration from New York University.

<br>©2026 American Century Proprietary Holdings, Inc. All rights reserved.

CL-SPL-98861 2603

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