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 | |
|---|---|---|---|---|---|---|
1801
LiveRamp
RAMP
$2.3B
| $4.16M | ﹤0.01% |
141,658
+2,867
| +2% | +$82.3K |
|
1802
Innospec
IOSP
$2.3B
| $4.16M | ﹤0.01% |
54,316
-8,386
| -13% | -$633K |
|
|
UCB
1803
United Community Banks
UCB
$4.43B
| $4.15M | ﹤0.01% |
132,967
+43,122
| +48% | +$1.33M |
|
1804
Plains GP Holdings
PAGP
$5.07B
| $4.14M | ﹤0.01% |
216,335
+147,871
| +216% | +$2.67M |
|
1805
Cactus
WHD
$5.92B
| $4.14M | ﹤0.01% |
90,582
+62,741
| +225% | +$2.62M |
|
1806
EPAM Systems
EPAM
$5.2B
| $4.14M | ﹤0.01% |
20,187
+1,906
| +10% | +$340K |
|
1807
Agios Pharmaceuticals
AGIO
$1.96B
| $4.12M | ﹤0.01% |
151,486
+6,365
| +4% | +$223K |
|
1808
First United
FUNC
$296M
| $4.12M | ﹤0.01% |
110,128
+7,399
| +7% | +$275K |
|
1809
Usana Health Sciences
USNA
$252M
| $4.12M | ﹤0.01% |
209,984
-50,576
| -19% | -$1.05M |
|
1810
Beam Therapeutics
BEAM
$2.72B
| $4.11M | ﹤0.01% |
148,303
+98,110
| +195% | +$2.5M |
|
1811
Alerus Financial
ALRS
$836M
| $4.11M | ﹤0.01% |
182,533
+57,035
| +45% | +$1.24M |
|
1812
Eastman Chemical
EMN
$8.45B
| $4.1M | ﹤0.01% |
64,291
+674
| +1% | +$41.5K |
|
1813
Companhia Siderúrgica Nacional
SID
$1.17B
| $4.07M | ﹤0.01% |
2,546,337
+344,469
| +16% | +$560K |
|
1814
DigitalBridge
DBRG
$2.95B
| $4.07M | ﹤0.01% |
265,497
+48,265
| +22% | +$580K |
|
1815
Rivian
RIVN
$22.6B
| $4.07M | ﹤0.01% |
206,375
+7,065
| +4% | +$112K |
|
1816
Red River Bancshares
RRBI
$683M
| $4.06M | ﹤0.01% |
56,837
+25,661
| +82% | +$1.75M |
|
1817
A10 Networks
ATEN
$1.98B
| $4.06M | ﹤0.01% |
229,477
-16,057
| -7% | -$284K |
|
1818
Avery Dennison
AVY
$13.4B
| $4.04M | ﹤0.01% |
22,218
-372
| -2% | -$64.3K |
|
1819
UFP Industries
UFPI
$4.98B
| $4.03M | ﹤0.01% |
44,223
-9,028
| -17% | -$827K |
|
|
JBS
1820
JBS N.V.
JBS
$44.4B
| $4.01M | ﹤0.01% |
277,852
+1,312
| +0.5% | +$18K |
|
1821
Protolabs
PRLB
$2.19B
| $4M | ﹤0.01% |
79,145
+1,078
| +1% | +$55.1K |
|
1822
Delek US
DK
$4.08B
| $3.98M | ﹤0.01% |
134,296
+21,735
| +19% | +$776K |
|
1823
PTC
PTC
$16.4B
| $3.97M | ﹤0.01% |
22,808
-1,703
| -7% | -$316K |
|
1824
West Bancorporation
WTBA
$508M
| $3.97M | ﹤0.01% |
178,985
+62,964
| +54% | +$1.36M |
|
1825
Orion Group Holdings
ORN
$405M
| $3.97M | ﹤0.01% |
399,461
-111,560
| -22% | -$1.08M |
|
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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.