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 | |
|---|---|---|---|---|---|---|
2726
Virgin Galactic
SPCE
$463M
| $166K | ﹤0.01% |
51,580
+20,990
| +69% | +$79.1K |
|
2727
SES AI
SES
$211M
| $164K | ﹤0.01% |
+90,835
| New | +$204K |
|
2728
Gaotu Techedu
GOTU
$398M
| $161K | ﹤0.01% |
69,192
+125
| +0.2% | +$339 |
|
2729
Valhi
VHI
$462M
| $159K | ﹤0.01% |
13,232
-847
| -6% | -$11.3K |
|
|
FBLA
2730
FB Bancorp
FBLA
$253M
| $158K | ﹤0.01% |
12,260
+802
| +7% | +$9.96K |
|
2731
Star Group
SGU
$409M
| $150K | ﹤0.01% |
12,697
| – | – |
|
2732
Lakeland Industries
LAKE
$120M
| $139K | ﹤0.01% |
15,762
| – | – |
|
2733
Digital Turbine
APPS
$1.52B
| $139K | ﹤0.01% |
+27,825
| New | +$157K |
|
2734
Seer Inc
SEER
$116M
| $138K | ﹤0.01% |
75,169
| – | – |
|
|
RDNW
2735
RideNow Group
RDNW
$240M
| $135K | ﹤0.01% |
24,382
-1,522
| -6% | -$7.11K |
|
2736
Star Holdings Shares of Beneficial Interest
STHO
$118M
| $131K | ﹤0.01% |
15,965
| – | – |
|
2737
Everspin Technologies
MRAM
$419M
| $131K | ﹤0.01% |
+14,158
| New | +$135K |
|
2738
C4 Therapeutics
CCCC
$503M
| $130K | ﹤0.01% |
68,245
+43,997
| +181% | +$104K |
|
2739
Cabaletta Bio
CABA
$445M
| $129K | ﹤0.01% |
58,777
+46,745
| +389% | +$116K |
|
2740
Freshworks
FRSH
$3.27B
| $123K | ﹤0.01% |
+10,049
| New | +$119K |
|
2741
1stdibs.com
DIBS
$162M
| $121K | ﹤0.01% |
20,234
+6,992
| +53% | +$31.5K |
|
|
HPP
2742
Hudson Pacific Properties
HPP
$790M
| $121K | ﹤0.01% |
11,152
-68,272
| -86% | -$1.01M |
|
2743
Archer Aviation
ACHR
$5.17B
| $119K | ﹤0.01% |
15,855
+3,690
| +30% | +$34.7K |
|
2744
Lucid Motors
LCID
$2.51B
| $119K | ﹤0.01% |
11,235
-4,336
| -28% | -$69.3K |
|
2745
Hyliion Holdings
HYLN
$757M
| $113K | ﹤0.01% |
61,482
+44,718
| +267% | +$90.1K |
|
2746
Smart Sand
SND
$215M
| $113K | ﹤0.01% |
+28,150
| New | +$79.6K |
|
2747
Zura Bio
ZURA
$544M
| $112K | ﹤0.01% |
+21,383
| New | +$84.6K |
|
|
SNCR
2748
DELISTED
Synchronoss Technologies
SNCR
| $110K | ﹤0.01% |
12,891
| – | – |
|
2749
HF Foods Group
HFFG
$96.5M
| $110K | ﹤0.01% |
50,955
| – | – |
|
|
TIGR
2750
UP Fintech Holding
TIGR
$820M
| $109K | ﹤0.01% |
+11,452
| New | +$109K |
|
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.