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 | |
|---|---|---|---|---|---|---|
326
Home BancShares
HOMB
$6.26B
| $127M | 0.06% |
4,576,833
-176,010
| -4% | -$4.88M |
|
327
American Healthcare REIT
AHR
$10.3B
| $126M | 0.06% |
2,681,001
-157,691
| -6% | -$7.31M |
|
328
Webster Financial
WBS
$12.8B
| $126M | 0.06% |
1,999,210
-594,855
| -23% | -$35.3M |
|
329
Equinix
EQIX
$106B
| $126M | 0.06% |
163,932
-99,568
| -38% | -$78M |
|
330
Thor Industries
THO
$4.1B
| $124M | 0.06% |
1,212,380
-149,691
| -11% | -$15.6M |
|
331
Marriott International
MAR
$92.4B
| $124M | 0.06% |
399,977
-1,570
| -0.4% | -$449K |
|
332
Natera
NTRA
$44.6B
| $124M | 0.06% |
540,694
-302,733
| -36% | -$63.1M |
|
333
United Airlines
UAL
$41.3B
| $124M | 0.06% |
1,106,681
+57,788
| +6% | +$5.84M |
|
|
TMHC
334
DELISTED
Taylor Morrison
TMHC
| $124M | 0.06% |
2,098,768
+963,671
| +85% | +$58.9M |
|
335
MetLife
MET
$61.7B
| $123M | 0.06% |
1,564,116
+54,813
| +4% | +$4.34M |
|
336
RBC Bearings
RBC
$17.6B
| $123M | 0.06% |
274,327
+66,723
| +32% | +$28.3M |
|
337
West Pharmaceutical
WST
$24.5B
| $123M | 0.06% |
445,484
+148,476
| +50% | +$40.6M |
|
338
Airbnb
ABNB
$110B
| $122M | 0.06% |
900,552
+15,333
| +2% | +$1.91M |
|
339
Ceco Environmental
CECO
$4.52B
| $122M | 0.06% |
2,038,312
+780,516
| +62% | +$41.7M |
|
340
T-Mobile US
TMUS
$195B
| $121M | 0.06% |
594,946
+27,671
| +5% | +$5.87M |
|
341
Construction Partners
ROAD
$6.77B
| $120M | 0.06% |
1,108,387
+68,459
| +7% | +$7.71M |
|
342
Spectrum Brands
SPB
$2.06B
| $120M | 0.06% |
2,035,668
-17,182
| -0.8% | -$967K |
|
343
Nu Holdings
NU
$66.9B
| $120M | 0.06% |
7,169,925
-1,064,624
| -13% | -$17.1M |
|
344
Credo Technology Group
CRDO
$51.6B
| $119M | 0.06% |
827,500
-149,939
| -15% | -$23.1M |
|
345
Impinj
PI
$5.46B
| $118M | 0.06% |
679,585
+298,992
| +79% | +$53.3M |
|
346
Freeport-McMoran
FCX
$94.6B
| $118M | 0.06% |
2,322,962
+375,701
| +19% | +$16.3M |
|
347
DXC Technology
DXC
$1.71B
| $118M | 0.06% |
8,045,217
+453,399
| +6% | +$6.23M |
|
|
AMRZ
348
Amrize Ltd
AMRZ
$25.5B
| $118M | 0.06% |
+2,173,524
| New | +$111M |
|
349
Hancock Whitney
HWC
$6.37B
| $117M | 0.06% |
1,839,480
-38,641
| -2% | -$2.35M |
|
350
HCI Group
HCI
$2.29B
| $116M | 0.06% |
606,414
+49,744
| +9% | +$9.37M |
|
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.