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 | |
|---|---|---|---|---|---|---|
2101
LGI Homes
LGIH
$1.32B
| $1.89M | ﹤0.01% |
43,997
-8,714
| -17% | -$409K |
|
2102
Oportun Financial
OPRT
$346M
| $1.89M | ﹤0.01% |
356,499
+176,721
| +98% | +$932K |
|
2103
CorVel
CRVL
$3.25B
| $1.88M | ﹤0.01% |
27,788
+768
| +3% | +$55.6K |
|
2104
Bio-Rad Laboratories Class A
BIO
$9.68B
| $1.88M | ﹤0.01% |
6,192
+543
| +10% | +$169K |
|
2105
Procore
PCOR
$9.45B
| $1.87M | ﹤0.01% |
+25,757
| New | +$1.91M |
|
|
ALH
2106
Alliance Laundry Holdings
ALH
$5.12B
| $1.87M | ﹤0.01% |
+92,047
| New | +$2.21M |
|
2107
White Mountains Insurance
WTM
$5.06B
| $1.86M | ﹤0.01% |
895
-1,347
| -60% | -$2.63M |
|
|
GLIBA
2108
Liberty Capital Corp Series A GCI Group Common Stock
GLIBA
$1.03B
| $1.85M | ﹤0.01% |
+50,245
| New | +$1.76M |
|
2109
Graham Holdings Company
GHC
$5.03B
| $1.85M | ﹤0.01% |
1,686
+123
| +8% | +$131K |
|
2110
Advanced Energy
AEIS
$13.2B
| $1.85M | ﹤0.01% |
8,845
+1,464
| +20% | +$298K |
|
2111
Extreme Networks
EXTR
$3.16B
| $1.85M | ﹤0.01% |
110,972
-2,207,662
| -95% | -$40.5M |
|
2112
Acme United Corp
ACU
$228M
| $1.85M | ﹤0.01% |
45,823
-52
| -0.1% | -$2K |
|
2113
Acacia Research
ACTG
$455M
| $1.84M | ﹤0.01% |
493,039
+6,568
| +1% | +$23.6K |
|
2114
Red Rock Resorts
RRR
$3.73B
| $1.84M | ﹤0.01% |
29,750
+2,231
| +8% | +$130K |
|
2115
Schwab U.S Small- Cap ETF
SCHA
$23.5B
| $1.8M | ﹤0.01% |
63,371
-28,421
| -31% | -$803K |
|
|
HTO
2116
H2O America
HTO
$2.65B
| $1.8M | ﹤0.01% |
36,799
-8,464
| -19% | -$406K |
|
2117
Limbach Holdings
LMB
$536M
| $1.8M | ﹤0.01% |
23,135
-10,721
| -32% | -$882K |
|
2118
Frontline
FRO
$9.02B
| $1.8M | ﹤0.01% |
82,330
-222
| -0.3% | -$5.19K |
|
2119
Acushnet Holdings
GOLF
$5.2B
| $1.79M | ﹤0.01% |
22,449
-113,966
| -84% | -$9.25M |
|
2120
Moelis & Co
MC
$4.91B
| $1.78M | ﹤0.01% |
25,962
-9,754
| -27% | -$651K |
|
2121
Fulcrum Therapeutics
FULC
$283M
| $1.78M | ﹤0.01% |
157,672
+5,428
| +4% | +$55.2K |
|
2122
Vir Biotechnology
VIR
$1.52B
| $1.78M | ﹤0.01% |
295,391
-626
| -0.2% | -$3.73K |
|
2123
Flywire
FLYW
$2.22B
| $1.77M | ﹤0.01% |
125,348
-9,286
| -7% | -$127K |
|
2124
Altria Group
MO
$109B
| $1.77M | ﹤0.01% |
30,625
-33,289
| -52% | -$2.01M |
|
2125
Daily Journal
DJCO
$828M
| $1.76M | ﹤0.01% |
3,608
+1
| +0% | +$444 |
|
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.