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 | |
|---|---|---|---|---|---|---|
|
JHG
1976
DELISTED
Janus Henderson
JHG
| $2.7M | ﹤0.01% |
56,768
+390
| +0.7% | +$17.3K |
|
1977
EverQuote
EVER
$862M
| $2.69M | ﹤0.01% |
99,645
-4,008
| -4% | -$97.1K |
|
1978
PCB Bancorp
PCB
$404M
| $2.69M | ﹤0.01% |
124,063
| – | – |
|
1979
Community Bank
CBU
$3.47B
| $2.68M | ﹤0.01% |
46,739
+31,600
| +209% | +$1.82M |
|
1980
Franklin Electric
FELE
$4.67B
| $2.67M | ﹤0.01% |
27,993
+6,224
| +29% | +$594K |
|
1981
Xencor
XNCR
$1.69B
| $2.67M | ﹤0.01% |
174,603
+1,221
| +0.7% | +$18.2K |
|
1982
Trupanion
TRUP
$1.36B
| $2.67M | ﹤0.01% |
71,506
-7,199
| -9% | -$283K |
|
|
PPIH
1983
Perma-Pipe International
PPIH
$220M
| $2.67M | ﹤0.01% |
87,843
-13,931
| -14% | -$382K |
|
1984
Allient
ALNT
$1.87B
| $2.67M | ﹤0.01% |
49,613
+8,444
| +21% | +$442K |
|
1985
Valvoline
VVV
$4.32B
| $2.64M | ﹤0.01% |
90,970
+55,365
| +155% | +$1.78M |
|
1986
OneSpan
OSPN
$606M
| $2.62M | ﹤0.01% |
204,357
+100,211
| +96% | +$1.36M |
|
1987
Cohu
COHU
$2.78B
| $2.62M | ﹤0.01% |
112,624
-10,596
| -9% | -$243K |
|
1988
TFI International
TFII
$12.1B
| $2.62M | ﹤0.01% |
25,347
+901
| +4% | +$83.9K |
|
1989
Gibraltar Industries
ROCK
$1.44B
| $2.62M | ﹤0.01% |
52,968
+6,812
| +15% | +$390K |
|
1990
Blackbaud
BLKB
$2.07B
| $2.61M | ﹤0.01% |
41,275
+37,781
| +1,081% | +$2.34M |
|
1991
Brady Corp
BRC
$4.43B
| $2.61M | ﹤0.01% |
33,244
+15,408
| +86% | +$1.19M |
|
1992
Franklin Resources
BEN
$17.1B
| $2.59M | ﹤0.01% |
108,594
-41,339
| -28% | -$949K |
|
1993
Sotera Health
SHC
$5.4B
| $2.59M | ﹤0.01% |
146,841
+129,966
| +770% | +$2.15M |
|
1994
Acadia Healthcare
ACHC
$2.79B
| $2.58M | ﹤0.01% |
181,728
+62,895
| +53% | +$1.19M |
|
1995
MiMedx Group
MDXG
$606M
| $2.56M | ﹤0.01% |
377,657
+7,650
| +2% | +$53.6K |
|
1996
Penske Automotive Group
PAG
$14.4B
| $2.54M | ﹤0.01% |
16,021
+6,446
| +67% | +$1.06M |
|
1997
FTAI Aviation
FTAI
$22.2B
| $2.54M | ﹤0.01% |
12,880
-65,316
| -84% | -$11.1M |
|
1998
Liberty Latin America Class C
LILAK
$1.66B
| $2.53M | ﹤0.01% |
373,662
-13,683
| -4% | -$102K |
|
1999
Perimeter Solutions
PRM
$5.51B
| $2.52M | ﹤0.01% |
+91,655
| New | +$2.32M |
|
|
EFOR
2000
Everforth Inc
EFOR
$1.31B
| $2.52M | ﹤0.01% |
52,250
+5,093
| +11% | +$235K |
|
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.