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 | |
|---|---|---|---|---|---|---|
1901
Virco
VIRC
$95.3M
| $3.26M | ﹤0.01% |
509,589
-13,589
| -3% | -$94.5K |
|
1902
Ziff Davis
ZD
$1.89B
| $3.24M | ﹤0.01% |
92,136
-11,114
| -11% | -$387K |
|
1903
Hamilton Beach Brands
HBB
$452M
| $3.23M | ﹤0.01% |
196,563
-10,989
| -5% | -$167K |
|
1904
Knight Transportation
KNX
$12B
| $3.23M | ﹤0.01% |
61,797
-26,081
| -30% | -$1.22M |
|
1905
AtriCure
ATRC
$2.2B
| $3.23M | ﹤0.01% |
81,612
+8,727
| +12% | +$320K |
|
1906
Bankwell Financial Group
BWFG
$545M
| $3.23M | ﹤0.01% |
70,404
+19,432
| +38% | +$877K |
|
1907
Otter Tail
OTTR
$3.89B
| $3.23M | ﹤0.01% |
39,917
+23,811
| +148% | +$1.93M |
|
1908
Factset
FDS
$9.99B
| $3.21M | ﹤0.01% |
11,069
-121
| -1% | -$34K |
|
1909
Eastern Bankshares
EBC
$5.42B
| $3.21M | ﹤0.01% |
174,170
+101,253
| +139% | +$1.85M |
|
|
SGI
1910
Somnigroup International
SGI
$13.9B
| $3.19M | ﹤0.01% |
35,734
+1,734
| +5% | +$151K |
|
1911
Live Oak Bancshares
LOB
$2.02B
| $3.18M | ﹤0.01% |
92,648
-9,852
| -10% | -$330K |
|
1912
InfuSystem Holdings
INFU
$248M
| $3.16M | ﹤0.01% |
352,158
+156,505
| +80% | +$1.5M |
|
1913
Qorvo
QRVO
$8.67B
| $3.14M | ﹤0.01% |
37,131
-44,341
| -54% | -$3.91M |
|
1914
Encore Capital Group
ECPG
$2.18B
| $3.11M | ﹤0.01% |
57,245
-985
| -2% | -$47.5K |
|
1915
C&F Financial
CFFI
$288M
| $3.11M | ﹤0.01% |
42,827
-18
| -0% | -$1.25K |
|
1916
Insperity
NSP
$1.98B
| $3.1M | ﹤0.01% |
80,114
+4,108
| +5% | +$164K |
|
1917
Johnson Outdoors
JOUT
$515M
| $3.1M | ﹤0.01% |
73,035
+17,682
| +32% | +$732K |
|
1918
Vicor
VICR
$10.8B
| $3.09M | ﹤0.01% |
28,229
+7,437
| +36% | +$632K |
|
1919
Avient
AVNT
$4.24B
| $3.09M | ﹤0.01% |
98,797
+32,391
| +49% | +$1M |
|
1920
Horizon Bancorp
HBNC
$1.06B
| $3.08M | ﹤0.01% |
181,384
-150,798
| -45% | -$2.5M |
|
1921
Arcus Biosciences
RCUS
$3.63B
| $3.07M | ﹤0.01% |
128,947
+3,378
| +3% | +$68.9K |
|
1922
Finance of America Companies
FOA
$204M
| $3.07M | ﹤0.01% |
126,789
+6,593
| +5% | +$150K |
|
1923
Pinnacle Financial Partners Inc
PNFP
$16.3B
| $3.06M | ﹤0.01% |
32,084
+429
| +1% | +$39.4K |
|
1924
BayCom
BCML
$340M
| $3.06M | ﹤0.01% |
104,074
-315
| -0.3% | -$9.1K |
|
1925
Kearny Financial
KRNY
$608M
| $3.03M | ﹤0.01% |
409,060
-6,272
| -2% | -$43.3K |
|
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.