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 | |
|---|---|---|---|---|---|---|
251
Brighthouse Financial
BHF
$3.45B
| $152M | 0.08% |
2,341,344
+131,068
| +6% | +$7.7M |
|
252
Tradeweb Markets
TW
$22B
| $152M | 0.08% |
1,410,527
-384,563
| -21% | -$41.3M |
|
|
CTRA
253
DELISTED
Coterra Energy
CTRA
| $152M | 0.08% |
5,760,779
-695,724
| -11% | -$17.5M |
|
254
Ametek
AME
$58.7B
| $151M | 0.08% |
736,679
+260,417
| +55% | +$50.7M |
|
|
TLN
255
Talen Energy Corp
TLN
$17.1B
| $151M | 0.08% |
403,079
+60,165
| +18% | +$23.4M |
|
256
Radian Group
RDN
$4.89B
| $151M | 0.08% |
4,197,591
+178,108
| +4% | +$6.22M |
|
257
Quest Diagnostics
DGX
$26.1B
| $151M | 0.08% |
870,500
+1,415
| +0.2% | +$258K |
|
|
NGD
258
DELISTED
New Gold Inc
NGD
| $149M | 0.08% |
17,131,025
+247,581
| +1% | +$1.86M |
|
259
Avnet
AVT
$7.97B
| $149M | 0.07% |
3,092,688
-659,038
| -18% | -$32.4M |
|
260
Sterling Infrastructure
STRL
$16.8B
| $149M | 0.07% |
485,396
-168,700
| -26% | -$58.1M |
|
261
DexCom
DXCM
$34.4B
| $148M | 0.07% |
2,235,258
-257,389
| -10% | -$16.6M |
|
262
On Holding
ONON
$10.3B
| $148M | 0.07% |
3,178,101
-880,374
| -22% | -$37.9M |
|
263
Kinross Gold
KGC
$31.7B
| $147M | 0.07% |
5,215,117
+54,470
| +1% | +$1.42M |
|
264
Telephone and Data Systems
TDS
$3.9B
| $146M | 0.07% |
3,564,761
-46,285
| -1% | -$1.8M |
|
265
IAMGOLD
IAG
$10.1B
| $146M | 0.07% |
8,828,236
-770,204
| -8% | -$10.9M |
|
266
Hartford Financial Services
HIG
$37.6B
| $145M | 0.07% |
1,052,913
+71,781
| +7% | +$9.47M |
|
267
Archrock
AROC
$5.88B
| $145M | 0.07% |
5,556,854
-521,145
| -9% | -$13M |
|
268
First Bancorp
FBP
$4.49B
| $144M | 0.07% |
6,953,768
-135,039
| -2% | -$2.78M |
|
269
Ross Stores
ROST
$77.9B
| $143M | 0.07% |
795,763
+72,924
| +10% | +$12.2M |
|
270
Argan
AGX
$8B
| $143M | 0.07% |
457,251
+19,170
| +4% | +$6.08M |
|
271
Cal-Maine
CALM
$3.91B
| $143M | 0.07% |
1,797,359
+178,868
| +11% | +$15.7M |
|
272
Teradyne
TER
$65.1B
| $143M | 0.07% |
737,350
-744,437
| -50% | -$128M |
|
273
Target
TGT
$70.2B
| $143M | 0.07% |
1,458,628
+140,577
| +11% | +$13M |
|
274
California Resources
CRC
$4.69B
| $142M | 0.07% |
3,176,038
+169,608
| +6% | +$8.05M |
|
|
B
275
Barrick Mining
B
$67B
| $142M | 0.07% |
3,259,313
+72,658
| +2% | +$2.73M |
|
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.