American Century Heritage Fund I Class (ATHIX)

Fund Assets	5.19B
Expense Ratio	0.81%
Min. Investment	$5,000,000
Turnover	62.00%
Dividend (ttm)	n/a
Dividend Yield	n/a
Dividend Growth	n/a
Payout Frequency	Annual
Ex-Dividend Date	Dec 16, 2025

Previous Close	25.87
YTD Return	1.58%
1-Year Return	-1.96%
5-Year Return	20.09%
52-Week Low	22.19
52-Week High	31.21
Beta (5Y)	1.10
Holdings	86
Inception Date	Jun 16, 1997

About ATHIX

American Century Heritage Fund I Class is an actively managed mutual fund focused on delivering long-term capital growth by investing primarily in mid-cap growth equities. Its investment strategy centers on identifying and holding shares of midsize companies exhibiting accelerated earnings and revenue growth, based on the belief that such firms offer strong long-term appreciation potential. The fund typically maintains a diversified portfolio of nearly 100 holdings, with its top ten positions making up about a quarter of total assets. Sector exposure is balanced, though technology, financial services, and consumer-related industries feature prominently. With an institutional share class, the fund targets professional investors and requires a high minimum investment. Its management team utilizes a bottom-up, fundamental analysis approach to stock selection. American Century Heritage Fund I Class is benchmarked against the Russell MidCap Growth Index and is recognized for its above-average risk profile compared to peers in the mid-cap growth category. The fund plays a significant role in providing access to dynamic, growing businesses within the U.S. equity market, appealing to investors seeking exposure to companies poised for expansion.

• Fund Family: American Century Investments
• Category: Mid-Cap Growth
• Performance Rating: Average
• Risk Rating: Average
• Stock Exchange: Nasdaq
• Ticker Symbol: ATHIX
• Share Class: I Class
• Index: Russell MidCap Growth TR

Performance

ATHIX had a total return of -1.96% in the past year, including dividends. Since the fund's inception, the average annual return has been 8.92%.

Other Share Classes

These are alternative share classes of the same fund, from the same provider.

Symbol	Share Class	Expense Ratio
ATHDX	R6 Class	0.65%
ATHYX	Y Class	0.65%
ATHGX	R5 Class	0.80%
TWHIX	Investor Class	1.00%

Top 10 Holdings

25.55% of assets

Name	Symbol	Weight
Snowflake Inc.	SNOW	3.26%
Datadog, Inc.	DDOG	3.22%
Cloudflare, Inc.	NET	2.90%
State Street Bank & Trust Co 3 Repo - 01jul26	n/a	2.59%
Alnylam Pharmaceuticals, Inc.	ALNY	2.39%
Howmet Aerospace Inc.	HWM	2.38%
Comfort Systems USA, Inc.	FIX	2.32%
Hilton Worldwide Holdings Inc.	HLT	2.29%
Rocket Lab Corporation	RKLB	2.15%
Astera Labs, Inc.	ALAB	2.04%

Dividend History

Ex-Dividend	Amount	Pay Date
Dec 16, 2025	$4.6004	Dec 16, 2025
Dec 17, 2024	$3.7043	Dec 17, 2024
Dec 19, 2023	$0.1705	Dec 19, 2023
Mar 22, 2022	$0.1797	Mar 22, 2022
Dec 7, 2021	$3.078	Dec 7, 2021
Dec 8, 2020	$3.5469	Dec 8, 2020

Data Sources: Tiingo, Twelve Data, and more

Historical data is provided by Tiingo. Delayed stock pricing data is provided by Twelve Data. Several fund data points are also provided by Finnhub.

Last checked:

Oct 15, 2026

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