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 |
Amphenol
APH
|
+$460M |
| 2 |
Broadcom
AVGO
|
+$298M |
| 3 |
Sysco
SYY
|
+$225M |
| 4 |
MRSH
Marsh
MRSH
|
+$200M |
| 5 |
Ascendis Pharma A/S
ASND
|
+$186M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$573M |
| 2 |
Visa
V
|
+$465M |
| 3 |
Apple
AAPL
|
+$461M |
| 4 |
Alphabet (Google) Class A
GOOGL
|
+$363M |
| 5 |
Alphabet (Google) Class C
GOOG
|
+$358M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 26.8% |
| 2 | Financials | 13.6% |
| 3 | Consumer Discretionary | 12.52% |
| 4 | Industrials | 10.05% |
| 5 | Healthcare | 9.86% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1951
Gorman-Rupp
GRC
$2.12B
| $2.84M | ﹤0.01% |
59,442
+3,976
| +7% | +$185K |
|
1952
First Internet Bancorp
INBK
$256M
| $2.84M | ﹤0.01% |
135,969
-20,428
| -13% | -$411K |
|
1953
Allison Transmission
ALSN
$10.3B
| $2.83M | ﹤0.01% |
28,946
+3,502
| +14% | +$307K |
|
|
THR
1954
DELISTED
Thermon Group Holdings
THR
| $2.83M | ﹤0.01% |
76,223
-3,530
| -4% | -$116K |
|
1955
First Community Bankshares
FCBC
$935M
| $2.83M | ﹤0.01% |
83,914
+38,375
| +84% | +$1.28M |
|
1956
Enpro
NPO
$7.21B
| $2.83M | ﹤0.01% |
13,203
+4,124
| +45% | +$912K |
|
1957
BellRing Brands
BRBR
$1.26B
| $2.82M | ﹤0.01% |
+105,611
| New | +$3.28M |
|
1958
Marriott Vacations Worldwide
VAC
$4.19B
| $2.82M | ﹤0.01% |
48,878
-18,025
| -27% | -$1.07M |
|
|
KW
1959
DELISTED
Kennedy-Wilson Holdings
KW
| $2.81M | ﹤0.01% |
290,601
-11,386
| -4% | -$102K |
|
1960
Legacy Housing
LEGH
$682M
| $2.81M | ﹤0.01% |
143,904
+3,881
| +3% | +$83.1K |
|
1961
BioMarin Pharmaceuticals
BMRN
$13B
| $2.8M | ﹤0.01% |
47,128
-77,416
| -62% | -$4.21M |
|
1962
XPEL
XPEL
$1.4B
| $2.8M | ﹤0.01% |
56,038
-1,292
| -2% | -$54K |
|
1963
Janus International
JBI
$688M
| $2.79M | ﹤0.01% |
427,137
-50,367
| -11% | -$392K |
|
1964
PENN Entertainment
PENN
$2.54B
| $2.79M | ﹤0.01% |
189,067
+139,104
| +278% | +$2.17M |
|
1965
Southern California Bancorp
BCAL
$701M
| $2.77M | ﹤0.01% |
148,244
+93,007
| +168% | +$1.71M |
|
|
LOVE
1966
LoveSac
LOVE
$259M
| $2.75M | ﹤0.01% |
186,586
-178,409
| -49% | -$2.52M |
|
1967
Service Corp International
SCI
$11.4B
| $2.75M | ﹤0.01% |
35,278
+1,082
| +3% | +$86.6K |
|
1968
Jakks Pacific
JAKK
$294M
| $2.74M | ﹤0.01% |
162,564
+18,701
| +13% | +$324K |
|
1969
MarketAxess Holdings
MKTX
$5.72B
| $2.73M | ﹤0.01% |
15,081
-402
| -3% | -$68.6K |
|
1970
Core & Main
CNM
$8.6B
| $2.73M | ﹤0.01% |
52,586
-79,052
| -60% | -$4.05M |
|
1971
Hilton Grand Vacations
HGV
$3.53B
| $2.71M | ﹤0.01% |
+60,668
| New | +$2.58M |
|
1972
Winnebago Industries
WGO
$899M
| $2.71M | ﹤0.01% |
66,983
-21,071
| -24% | -$768K |
|
1973
STAG Industrial
STAG
$7.14B
| $2.71M | ﹤0.01% |
73,784
-7,668
| -9% | -$291K |
|
1974
First Interstate BancSystem
FIBK
$3.73B
| $2.71M | ﹤0.01% |
78,182
+34,992
| +81% | +$1.14M |
|
1975
Booz Allen Hamilton
BAH
$9.32B
| $2.7M | ﹤0.01% |
32,032
-217,834
| -87% | -$19.5M |
|
Similar funds
American Century Companies's Q4 2025 Portfolio in Review
As of Q4 2025, American Century Companies held 2,902 positions worth $199B, up 1.2% from $197B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
American Century Companies's Q4 2025 filing shows 123 new, 1,653 increased, 947 reduced and 91 closed positions. Its largest new stake was Amrize Ltd: 2,173,524 shares worth $118M. The largest sale was NVIDIA, an estimated $573M.
By sector, the portfolio is most concentrated in Technology at 27% of assets, down from 28% a quarter earlier, followed by Financials and Consumer Discretionary.
- American Century Companies's largest Q4 2025 buy was Amrize Ltd: 2,173,524 shares worth $118M.
- American Century Companies added most to Amphenol in Q4 2025, an estimated $460M increase.
- American Century Companies's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $573M.
- American Century Companies fully exited Premier in Q4 2025, selling an estimated $91.5M.
- American Century Companies's ten largest holdings make up 27% of its $199B portfolio in Q4 2025.
- American Century Companies opened 123 new positions and closed 91 in Q4 2025.
- American Century Companies's portfolio value rose 1.2% quarter-over-quarter to $199B.
Based on American Century Companies's 13F filing for Q4 2025, filed 13 Feb 2026.