American Century Companies Portfolio holdings
American Century Companies, Inc., founded in 1958 by James E. Stowers Jr. as Twentieth Century Mutual Funds and headquartered in Kansas City, Missouri, is a privately held investment management firm renowned for its focus on delivering investment results to clients while supporting medical research. Starting with just $100,000 from 24 shareholders, it rebranded to American Century Investments in 1997 and now manages hundreds of billions in assets across mutual funds, ETFs, and institutional portfolios, emphasizing no-load funds and a client-centric approach. The firm’s unique ownership structure sees over 40% of its profits funneled to the Stowers Institute for Medical Research, which it majority-owns, funding groundbreaking biomedical research, while Nomura Holdings holds a significant minority stake. With a global presence in cities like New York, London, and Hong Kong, and a workforce of around 1,400, American Century blends financial expertise with a mission to improve lives through both wealth creation and scientific advancement.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Interactive Brokers
IBKR
|
+$266M |
| 2 |
Martin Marietta Materials
MLM
|
+$178M |
| 3 |
Broadcom
AVGO
|
+$143M |
| 4 |
Reinsurance Group of America
RGA
|
+$127M |
| 5 |
FISV
Fiserv Inc
FISV
|
+$122M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$581M |
| 2 |
Apple
AAPL
|
+$544M |
| 3 |
Microsoft
MSFT
|
+$344M |
| 4 |
Eli Lilly
LLY
|
+$275M |
| 5 |
Meta Platforms (Facebook)
META
|
+$258M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 24.77% |
| 2 | Financials | 15.07% |
| 3 | Consumer Discretionary | 11.87% |
| 4 | Healthcare | 10.87% |
| 5 | Industrials | 9.69% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1976
MiMedx Group
MDXG
$624M
| $2.06M | ﹤0.01% |
270,808
+71,739
| +36% | +$599K |
|
1977
Legacy Housing
LEGH
$683M
| $2.06M | ﹤0.01% |
81,499
-31,014
| -28% | -$788K |
|
1978
Rush Street Interactive
RSI
$2.81B
| $2.05M | ﹤0.01% |
191,324
+43,577
| +29% | +$573K |
|
1979
Invesco
IVZ
$13.9B
| $2.03M | ﹤0.01% |
133,993
-3,631
| -3% | -$62K |
|
1980
TriMas Corp
TRS
$1.41B
| $2.02M | ﹤0.01% |
86,017
+7,141
| +9% | +$169K |
|
1981
Green Plains
GPRE
$1.06B
| $1.99M | ﹤0.01% |
411,195
-214,964
| -34% | -$1.54M |
|
1982
Thomson Reuters
TRI
$46B
| $1.98M | ﹤0.01% |
11,320
-1,897
| -14% | -$328K |
|
1983
Full House Resorts
FLL
$83.5M
| $1.98M | ﹤0.01% |
474,048
+117,936
| +33% | +$558K |
|
1984
TFI International
TFII
$12B
| $1.98M | ﹤0.01% |
25,557
+569
| +2% | +$63K |
|
1985
Liberty Latin America Class C
LILAK
$1.67B
| $1.96M | ﹤0.01% |
347,325
+38,097
| +12% | +$231K |
|
|
TTSH
1986
DELISTED
Tile Shop Holdings
TTSH
| $1.96M | ﹤0.01% |
302,476
+4,842
| +2% | +$34K |
|
1987
NETSCOUT
NTCT
$2.87B
| $1.95M | ﹤0.01% |
93,046
+57,483
| +162% | +$1.29M |
|
1988
Beam Therapeutics
BEAM
$2.74B
| $1.94M | ﹤0.01% |
99,561
-35,819
| -26% | -$938K |
|
1989
Napco Security Technologies
NSSC
$1.39B
| $1.94M | ﹤0.01% |
84,231
-1,010
| -1% | -$28.6K |
|
1990
Kewaunee Scientific
KEQU
$104M
| $1.94M | ﹤0.01% |
49,182
+14,889
| +43% | +$833K |
|
1991
MVB Financial
MVBF
$397M
| $1.93M | ﹤0.01% |
111,369
+13,418
| +14% | +$252K |
|
1992
Franklin Electric
FELE
$4.75B
| $1.93M | ﹤0.01% |
20,546
+204
| +1% | +$20.3K |
|
1993
Dorman Products
DORM
$3.97B
| $1.93M | ﹤0.01% |
15,994
+2,183
| +16% | +$278K |
|
1994
Delek US
DK
$4.12B
| $1.92M | ﹤0.01% |
127,593
-25,372
| -17% | -$439K |
|
|
ACH
1995
Accendra Health
ACH
$84.6M
| $1.9M | ﹤0.01% |
210,338
+27,851
| +15% | +$294K |
|
1996
Manitowoc
MTW
$727M
| $1.89M | ﹤0.01% |
220,457
-24,747
| -10% | -$241K |
|
1997
Medallion Financial
MFIN
$257M
| $1.89M | ﹤0.01% |
216,497
-95
| -0% | -$839 |
|
1998
Marriott Vacations Worldwide
VAC
$4.1B
| $1.86M | ﹤0.01% |
+28,991
| New | +$2.3M |
|
1999
Planet Labs
PL
$8.82B
| $1.86M | ﹤0.01% |
550,981
+58,763
| +12% | +$275K |
|
2000
Idacorp
IDA
$8.21B
| $1.86M | ﹤0.01% |
16,019
+358
| +2% | +$40.1K |
|
Similar funds
American Century Companies's Q1 2025 Portfolio in Review
As of Q1 2025, American Century Companies held 2,990 positions worth $163B, down 6.4% from $174B the previous quarter. Its ten largest holdings account for 25% of the portfolio.
American Century Companies's Q1 2025 filing shows 115 new, 1,752 increased, 899 reduced and 109 closed positions. Its largest new stake was iShares Russell Mid-Cap Value ETF: 619,916 shares worth $78.1M. The largest sale was NVIDIA, an estimated $581M.
By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 27% a quarter earlier, followed by Financials and Consumer Discretionary.
- American Century Companies's largest Q1 2025 buy was iShares Russell Mid-Cap Value ETF: 619,916 shares worth $78.1M.
- American Century Companies added most to Interactive Brokers in Q1 2025, an estimated $266M increase.
- American Century Companies's biggest Q1 2025 reduction was NVIDIA, cutting an estimated $581M.
- American Century Companies fully exited Arch Resources, Inc. in Q1 2025, selling an estimated $83.2M.
- American Century Companies's ten largest holdings make up 25% of its $163B portfolio in Q1 2025.
- American Century Companies opened 115 new positions and closed 109 in Q1 2025.
- American Century Companies's portfolio value fell 6.4% quarter-over-quarter to $163B.
Based on American Century Companies's 13F filing for Q1 2025, filed 13 May 2025.