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 | |
|---|---|---|---|---|---|---|
1201
Ericsson
ERIC
$33.6B
| $18.1M | 0.01% |
1,880,360
+701,061
| +59% | +$6.64M |
|
1202
Andersons Inc
ANDE
$2.21B
| $18.1M | 0.01% |
341,272
+239,885
| +237% | +$11.7M |
|
1203
Equitable Holdings
EQH
$14.4B
| $18.1M | 0.01% |
380,336
-324,264
| -46% | -$15.4M |
|
1204
Cavco Industries
CVCO
$4.6B
| $18.1M | 0.01% |
30,613
+551
| +2% | +$312K |
|
1205
Ardmore Shipping
ASC
$681M
| $18M | 0.01% |
1,701,268
-47,885
| -3% | -$569K |
|
1206
Sempra
SRE
$56.5B
| $18M | 0.01% |
203,454
+61,332
| +43% | +$5.58M |
|
1207
KE Holdings
BEKE
$19.2B
| $17.9M | 0.01% |
1,138,775
| – | – |
|
1208
Cable One
CABO
$191M
| $17.9M | 0.01% |
158,881
+14,592
| +10% | +$1.99M |
|
1209
Chunghwa Telecom
CHT
$32.8B
| $17.9M | 0.01% |
428,450
+57,166
| +15% | +$2.42M |
|
1210
Amphastar Pharmaceuticals
AMPH
$858M
| $17.8M | 0.01% |
665,336
+376,751
| +131% | +$9.7M |
|
1211
Cars.com
CARS
$648M
| $17.7M | 0.01% |
1,453,926
+250,304
| +21% | +$2.91M |
|
1212
Flowserve
FLS
$10.3B
| $17.7M | 0.01% |
255,425
+31,633
| +14% | +$2.03M |
|
|
PAL
1213
Proficient Auto Logistics
PAL
$154M
| $17.7M | 0.01% |
1,836,896
+12,090
| +0.7% | +$94.9K |
|
1214
Great Southern Bancorp
GSBC
$877M
| $17.7M | 0.01% |
286,996
+15,686
| +6% | +$943K |
|
1215
AdvanSix
ASIX
$427M
| $17.7M | 0.01% |
1,021,114
+53,543
| +6% | +$936K |
|
1216
Keysight
KEYS
$60.6B
| $17.6M | 0.01% |
86,691
+14,485
| +20% | +$2.69M |
|
1217
LSB Industries
LXU
$711M
| $17.6M | 0.01% |
2,071,541
+80,729
| +4% | +$712K |
|
|
ZEUS
1218
DELISTED
Olympic Steel
ZEUS
| $17.6M | 0.01% |
411,121
+19,690
| +5% | +$703K |
|
1219
Phreesia
PHR
$780M
| $17.6M | 0.01% |
1,039,138
+23,368
| +2% | +$482K |
|
1220
SandRidge Energy
SD
$529M
| $17.6M | 0.01% |
1,216,725
+21,431
| +2% | +$284K |
|
1221
DTE Energy
DTE
$28.9B
| $17.6M | 0.01% |
136,078
+1,474
| +1% | +$200K |
|
1222
Fox Class B
FOX
$24.4B
| $17.5M | 0.01% |
269,946
+84,761
| +46% | +$4.95M |
|
1223
Illinois Tool Works
ITW
$83.3B
| $17.5M | 0.01% |
71,159
-4,419
| -6% | -$1.1M |
|
1224
Suzano
SUZ
$9.84B
| $17.5M | 0.01% |
1,870,695
+202,006
| +12% | +$1.84M |
|
1225
Mercury Systems
MRCY
$6.59B
| $17.4M | 0.01% |
238,932
+233,013
| +3,937% | +$17.3M |
|
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.