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 | |
|---|---|---|---|---|---|---|
1401
Oil States International
OIS
$545M
| $10.9M | 0.01% |
1,615,132
+121,757
| +8% | +$782K |
|
1402
Rigel Pharmaceuticals
RIGL
$781M
| $10.9M | 0.01% |
+254,492
| New | +$9.59M |
|
1403
TIM SA
TIMB
$8.28B
| $10.9M | 0.01% |
559,850
+60,502
| +12% | +$1.33M |
|
|
GRMN
1404
Garmin
GRMN
$60B
| $10.9M | 0.01% |
53,676
-5,248
| -9% | -$1.14M |
|
1405
Aegon
AEG
$14B
| $10.9M | 0.01% |
1,408,011
+172,985
| +14% | +$1.32M |
|
1406
ITT
ITT
$19.5B
| $10.9M | 0.01% |
62,560
+20,311
| +48% | +$3.64M |
|
1407
Texas Pacific Land
TPL
$24.7B
| $10.8M | 0.01% |
37,629
-6,978
| -16% | -$2.13M |
|
1408
Viavi Solutions
VIAV
$10.6B
| $10.8M | 0.01% |
605,778
+30,169
| +5% | +$487K |
|
1409
Atlanticus Holdings
ATLC
$1.51B
| $10.8M | 0.01% |
160,977
+16,405
| +11% | +$965K |
|
1410
Viking Therapeutics
VKTX
$3.85B
| $10.7M | 0.01% |
305,366
+9,173
| +3% | +$325K |
|
|
SHOE
1411
Shoe Station Group
SHOE
$410M
| $10.7M | 0.01% |
633,760
+9,694
| +2% | +$178K |
|
1412
FerroAtlántica
GSM
$817M
| $10.7M | 0.01% |
2,302,286
+1,101,173
| +92% | +$5.08M |
|
1413
Hovnanian Enterprises
HOV
$789M
| $10.7M | 0.01% |
109,464
+32,979
| +43% | +$3.89M |
|
1414
Cellebrite
CLBT
$2.74B
| $10.7M | 0.01% |
591,053
+129,928
| +28% | +$2.33M |
|
1415
Unity Bancorp
UNTY
$622M
| $10.6M | 0.01% |
205,419
+17,316
| +9% | +$862K |
|
1416
Southside Bancshares
SBSI
$985M
| $10.6M | 0.01% |
348,665
-5,026
| -1% | -$147K |
|
1417
Tactile Systems Technology
TCMD
$545M
| $10.6M | 0.01% |
364,602
+279,481
| +328% | +$6.2M |
|
1418
GigaCloud Technology
GCT
$1.89B
| $10.6M | 0.01% |
268,932
+256,108
| +1,997% | +$8.47M |
|
1419
First Solar
FSLR
$24.4B
| $10.6M | 0.01% |
40,413
+2,617
| +7% | +$660K |
|
1420
SEI Investments
SEIC
$12.8B
| $10.5M | 0.01% |
128,507
+16,370
| +15% | +$1.35M |
|
1421
VeriSign
VRSN
$25.8B
| $10.4M | 0.01% |
42,735
-3,637
| -8% | -$914K |
|
1422
Mettler-Toledo International
MTD
$28.3B
| $10.3M | 0.01% |
7,415
-40,301
| -84% | -$56.3M |
|
1423
Matrix Service
MTRX
$335M
| $10.3M | 0.01% |
883,565
+94,644
| +12% | +$1.19M |
|
1424
Bunge Global
BG
$21.7B
| $10.3M | 0.01% |
115,898
-14,619
| -11% | -$1.35M |
|
|
PRA
1425
DELISTED
ProAssurance
PRA
| $10.3M | 0.01% |
426,046
-5,129
| -1% | -$123K |
|
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.