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 | |
|---|---|---|---|---|---|---|
2601
Protara Therapeutics
TARA
$233M
| $342K | ﹤0.01% |
64,158
+2,604
| +4% | +$14.5K |
|
|
NXDR
2602
Nextdoor Holdings
NXDR
$998M
| $342K | ﹤0.01% |
162,716
+69,456
| +74% | +$136K |
|
|
AGNT
2603
AGNT Inc
AGNT
$752M
| $341K | ﹤0.01% |
37,627
-10,137
| -21% | -$107K |
|
2604
Gevo
GEVO
$401M
| $340K | ﹤0.01% |
169,918
+126,466
| +291% | +$278K |
|
2605
Ponce Financial Group
PDLB
$501M
| $340K | ﹤0.01% |
20,767
+2,551
| +14% | +$39.3K |
|
|
HUYA
2606
Huya Inc
HUYA
$538M
| $338K | ﹤0.01% |
117,293
+677
| +0.6% | +$1.98K |
|
2607
Fortrea Holdings
FTRE
$1.69B
| $336K | ﹤0.01% |
19,505
+5,798
| +42% | +$71.6K |
|
2608
Braskem
BAK
$825M
| $335K | ﹤0.01% |
113,641
+914
| +0.8% | +$2.5K |
|
2609
Travel + Leisure Co
TNL
$4.58B
| $334K | ﹤0.01% |
4,729
+201
| +4% | +$13.2K |
|
2610
Nuvation Bio
NUVB
$2.14B
| $330K | ﹤0.01% |
36,816
-596,892
| -94% | -$3.7M |
|
|
CWEN.A
2611
DELISTED
Clearway Energy Class A
CWEN.A
| $330K | ﹤0.01% |
10,498
+603
| +6% | +$18.9K |
|
2612
Trimble
TRMB
$13.4B
| $327K | ﹤0.01% |
4,177
+23
| +0.6% | +$1.83K |
|
2613
Ambarella
AMBA
$3.6B
| $327K | ﹤0.01% |
+4,617
| New | +$373K |
|
|
CBL
2614
CBL Properties
CBL
$1.78B
| $327K | ﹤0.01% |
8,834
-471
| -5% | -$15.4K |
|
2615
Twin Disc
TWIN
$349M
| $326K | ﹤0.01% |
19,555
| – | – |
|
2616
MaxCyte
MXCT
$149M
| $323K | ﹤0.01% |
208,136
| – | – |
|
2617
Idaho Strategic Resources
IDR
$500M
| $321K | ﹤0.01% |
+7,966
| New | +$304K |
|
2618
Caesars Entertainment
CZR
$6.04B
| $321K | ﹤0.01% |
+13,724
| New | +$309K |
|
2619
Ituran Location and Control
ITRN
$1.06B
| $320K | ﹤0.01% |
7,439
+457
| +7% | +$17.9K |
|
2620
Health Catalyst
HCAT
$132M
| $316K | ﹤0.01% |
132,137
-19,731
| -13% | -$54K |
|
2621
QuinStreet
QNST
$1.19B
| $315K | ﹤0.01% |
+21,891
| New | +$316K |
|
2622
Xerox
XRX
$412M
| $313K | ﹤0.01% |
131,923
+9,045
| +7% | +$26.8K |
|
2623
Revolve Group
RVLV
$1.72B
| $309K | ﹤0.01% |
+10,230
| New | +$247K |
|
|
DEFT
2624
Defi Technologies
DEFT
$187M
| $307K | ﹤0.01% |
401,336
+362,123
| +923% | +$554K |
|
2625
TAL Education Group
TAL
$6.43B
| $304K | ﹤0.01% |
27,881
| – | – |
|
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.