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 | |
|---|---|---|---|---|---|---|
501
LivaNova
LIVN
$4.53B
| $81.4M | 0.04% |
1,322,371
+595,421
| +82% | +$34M |
|
502
Toyota
TM
$223B
| $81.3M | 0.04% |
379,764
+47,584
| +14% | +$9.65M |
|
503
Avantis US Small Cap Value ETF
AVUV
$31B
| $81.1M | 0.04% |
795,649
-667
| -0.1% | -$66.7K |
|
504
Copart
CPRT
$27.2B
| $81.1M | 0.04% |
2,071,500
-2,186,592
| -51% | -$90.7M |
|
505
Fortuna Silver Mines
FSM
$3.1B
| $81.1M | 0.04% |
8,269,909
+237,625
| +3% | +$2.14M |
|
506
Lincoln Electric
LECO
$15.5B
| $81M | 0.04% |
337,874
-5,586
| -2% | -$1.32M |
|
507
KB Financial Group
KB
$41.7B
| $80.9M | 0.04% |
940,828
+103,838
| +12% | +$8.75M |
|
508
Harmony Gold Mining
HMY
$12B
| $80.9M | 0.04% |
4,066,483
+328,591
| +9% | +$6.13M |
|
509
Hubbell
HUBB
$26.8B
| $80.5M | 0.04% |
181,282
+98,221
| +118% | +$43M |
|
510
Minerals Technologies
MTX
$2.26B
| $80.3M | 0.04% |
1,318,148
-6,244
| -0.5% | -$370K |
|
511
Viking Holdings
VIK
$47.3B
| $80.1M | 0.04% |
1,122,149
-161,218
| -13% | -$10.3M |
|
512
Fabrinet
FN
$20.3B
| $79.7M | 0.04% |
175,039
+3,444
| +2% | +$1.5M |
|
513
Atkore
ATKR
$3.17B
| $79.3M | 0.04% |
1,253,549
+95,446
| +8% | +$6.23M |
|
514
Alpha Metallurgical Resources
AMR
$1.97B
| $79.3M | 0.04% |
396,603
-19,974
| -5% | -$3.45M |
|
515
Atlantic Union Bankshares
AUB
$6.09B
| $79.1M | 0.04% |
2,241,848
-151,470
| -6% | -$5.21M |
|
516
Pediatrix Medical
MD
$2.14B
| $79.1M | 0.04% |
3,698,135
+1,015,159
| +38% | +$20.8M |
|
517
Photronics
PLAB
$1.97B
| $78.8M | 0.04% |
2,461,127
+48,882
| +2% | +$1.26M |
|
518
Bank of N.T. Butterfield & Son
NTB
$2.51B
| $78.5M | 0.04% |
1,576,547
+58,842
| +4% | +$2.71M |
|
519
Nordson
NDSN
$17.3B
| $78.2M | 0.04% |
325,158
-43
| -0% | -$10.1K |
|
520
TriNet
TNET
$3.22B
| $77.6M | 0.04% |
1,312,983
-14,653
| -1% | -$871K |
|
521
Williams-Sonoma
WSM
$28.5B
| $77.6M | 0.04% |
434,279
+9,991
| +2% | +$1.87M |
|
522
Boyd Gaming
BYD
$6.05B
| $77.5M | 0.04% |
909,726
-83,477
| -8% | -$6.88M |
|
523
Ferrari
RACE
$72.5B
| $77.5M | 0.04% |
209,809
-195,965
| -48% | -$78.4M |
|
524
Valaris
VAL
$5.91B
| $77.2M | 0.04% |
1,531,941
+257,903
| +20% | +$13.8M |
|
525
Intuit
INTU
$98B
| $77.2M | 0.04% |
116,528
+3,064
| +3% | +$2.02M |
|
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.