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 | |
|---|---|---|---|---|---|---|
1051
Compass Diversified
CODI
$908M
| $25M | 0.01% |
5,200,546
+242,912
| +5% | +$1.54M |
|
1052
Mercantile Bank Corp
MBWM
$1.06B
| $24.9M | 0.01% |
517,904
+23,537
| +5% | +$1.09M |
|
1053
Green Dot
GDOT
$766M
| $24.9M | 0.01% |
1,939,994
+209,686
| +12% | +$2.61M |
|
1054
Nutrien
NTR
$32.1B
| $24.8M | 0.01% |
402,205
+41,626
| +12% | +$2.45M |
|
1055
Pfizer
PFE
$153B
| $24.7M | 0.01% |
992,728
-682,769
| -41% | -$17.2M |
|
1056
ArcelorMittal
MT
$55.2B
| $24.7M | 0.01% |
542,177
+81,028
| +18% | +$3.33M |
|
1057
1st Source
SRCE
$2.13B
| $24.7M | 0.01% |
395,343
+56,005
| +17% | +$3.46M |
|
1058
Entergy
ETR
$50.3B
| $24.6M | 0.01% |
266,534
+50,542
| +23% | +$4.79M |
|
1059
AutoNation
AN
$6.9B
| $24.6M | 0.01% |
118,997
+36,903
| +45% | +$7.68M |
|
1060
Byline Bancorp
BY
$1.78B
| $24.5M | 0.01% |
840,587
+37,300
| +5% | +$1.05M |
|
1061
Western Digital
WDC
$168B
| $24.5M | 0.01% |
142,085
-25,748
| -15% | -$3.9M |
|
1062
Gentherm
THRM
$1.27B
| $24.5M | 0.01% |
672,781
+158,990
| +31% | +$5.72M |
|
1063
Coeur Mining
CDE
$19B
| $24.3M | 0.01% |
1,361,674
-1,440,252
| -51% | -$25M |
|
1064
Avantis US Small Cap Equity ETF
AVSC
$3.18B
| $24.3M | 0.01% |
413,205
+37,996
| +10% | +$2.2M |
|
1065
Tower Semiconductor
TSEM
$28.6B
| $24.2M | 0.01% |
206,445
-263,645
| -56% | -$25.4M |
|
1066
Nicolet Bankshares
NIC
$3.72B
| $24.2M | 0.01% |
199,119
+19,853
| +11% | +$2.51M |
|
1067
Gartner
IT
$11.6B
| $24.1M | 0.01% |
95,569
+6,599
| +7% | +$1.59M |
|
1068
Esquire Financial Holdings
ESQ
$1.61B
| $24.1M | 0.01% |
236,121
-1,909
| -0.8% | -$194K |
|
1069
First Mid Bancshares
FMBH
$1.38B
| $24.1M | 0.01% |
616,669
+32,383
| +6% | +$1.23M |
|
1070
Ball Corp
BALL
$16.4B
| $24M | 0.01% |
453,664
-37,260
| -8% | -$1.83M |
|
1071
American Public Education
APEI
$826M
| $23.9M | 0.01% |
633,265
+21,178
| +3% | +$758K |
|
1072
Unum
UNM
$14.5B
| $23.9M | 0.01% |
308,753
-215,113
| -41% | -$16.5M |
|
1073
Center Bancorp
CNOB
$1.81B
| $23.9M | 0.01% |
912,486
-15,542
| -2% | -$394K |
|
1074
Fidelity National Information Services
FIS
$22.8B
| $23.9M | 0.01% |
359,991
+54,604
| +18% | +$3.6M |
|
1075
Hallador Energy
HNRG
$743M
| $23.9M | 0.01% |
1,254,389
+69,516
| +6% | +$1.41M |
|
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.