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 | |
|---|---|---|---|---|---|---|
|
SERV
2526
Serve Robotics
SERV
$428M
| $467K | ﹤0.01% |
44,969
+18,907
| +73% | +$227K |
|
2527
CNA Financial
CNA
$13.8B
| $464K | ﹤0.01% |
9,716
+98
| +1% | +$4.52K |
|
2528
DaVita
DVA
$11.4B
| $463K | ﹤0.01% |
4,079
-2,162
| -35% | -$263K |
|
2529
Eastern Company
EML
$154M
| $463K | ﹤0.01% |
23,518
+325
| +1% | +$6.64K |
|
2530
Stanley Black & Decker
SWK
$15.4B
| $462K | ﹤0.01% |
+6,223
| New | +$438K |
|
|
GTLS
2531
DELISTED
Chart Industries
GTLS
| $460K | ﹤0.01% |
2,231
+181
| +9% | +$36.7K |
|
|
CRCL
2532
Circle Internet Group
CRCL
$19.1B
| $459K | ﹤0.01% |
5,790
+1,472
| +34% | +$152K |
|
2533
Lexeo Therapeutics
LXEO
$407M
| $457K | ﹤0.01% |
45,988
+9,834
| +27% | +$89.7K |
|
2534
The Honest Company
HNST
$540M
| $456K | ﹤0.01% |
176,564
+14,432
| +9% | +$44.2K |
|
2535
Ooma
OOMA
$574M
| $455K | ﹤0.01% |
38,777
+5,035
| +15% | +$57.4K |
|
|
ELVR
2536
Elevra Lithium Ltd
ELVR
$1.23B
| $454K | ﹤0.01% |
8,631
-626
| -7% | -$21.5K |
|
2537
Cimpress
CMPR
$2.37B
| $453K | ﹤0.01% |
+6,805
| New | +$462K |
|
2538
The RMR Group
RMR
$346M
| $452K | ﹤0.01% |
30,356
-24
| -0.1% | -$365 |
|
2539
Quad
QUAD
$506M
| $444K | ﹤0.01% |
70,767
| – | – |
|
|
ONTF
2540
DELISTED
ON24
ONTF
| $440K | ﹤0.01% |
55,277
| – | – |
|
2541
Kyverna Therapeutics
KYTX
$500M
| $436K | ﹤0.01% |
46,367
+14,162
| +44% | +$105K |
|
|
OPENW
2542
Opendoor Technologies Inc Series K Warrants
OPENW
$6.98M
| $435K | ﹤0.01% |
+482,847
| New | +$652K |
|
|
SEMR
2543
DELISTED
Semrush
SEMR
| $434K | ﹤0.01% |
36,489
-5,029
| -12% | -$47.1K |
|
|
AAT
2544
American Assets Trust
AAT
$1.41B
| $432K | ﹤0.01% |
22,826
| – | – |
|
2545
FVCBankcorp
FVCB
$339M
| $430K | ﹤0.01% |
30,886
| – | – |
|
2546
Liberty Live Group Series A
LLYVA
$9.59B
| $426K | ﹤0.01% |
5,231
-517
| -9% | -$43K |
|
2547
Crawford & Co Class B
CRD.B
$585M
| $425K | ﹤0.01% |
39,631
+2,668
| +7% | +$27.5K |
|
2548
Portillo's
PTLO
$365M
| $424K | ﹤0.01% |
93,332
-18,767
| -17% | -$98K |
|
2549
Sight Sciences
SGHT
$458M
| $423K | ﹤0.01% |
53,361
+81
| +0.2% | +$517 |
|
2550
M-tron Industries
MPTI
$365M
| $417K | ﹤0.01% |
7,843
| – | – |
|
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.