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 | |
|---|---|---|---|---|---|---|
|
GLDD
901
DELISTED
Great Lakes Dredge & Dock
GLDD
| $33.9M | 0.02% |
2,584,604
+172,137
| +7% | +$2.12M |
|
|
LTC
902
LTC Properties
LTC
$2.1B
| $33.9M | 0.02% |
985,357
+173,122
| +21% | +$6.1M |
|
903
Roper Technologies
ROP
$39.1B
| $33.6M | 0.02% |
75,583
-364,485
| -83% | -$169M |
|
904
Monster Beverage
MNST
$90.1B
| $33.6M | 0.02% |
876,566
+232,522
| +36% | +$8.33M |
|
905
Build-A-Bear
BBW
$464M
| $33.6M | 0.02% |
547,827
+12,036
| +2% | +$655K |
|
906
Rio Tinto
RIO
$160B
| $33.5M | 0.02% |
418,868
+50,188
| +14% | +$3.61M |
|
|
DCH
907
Dauch Corp
DCH
$1.61B
| $33.5M | 0.02% |
5,226,668
+284,103
| +6% | +$1.77M |
|
908
Primerica
PRI
$9.57B
| $33.3M | 0.02% |
129,055
+7,939
| +7% | +$2.07M |
|
909
Dillards
DDS
$9.93B
| $33.3M | 0.02% |
54,963
+4,953
| +10% | +$3.12M |
|
910
American Electric Power
AEP
$67.9B
| $33.3M | 0.02% |
288,997
+20,240
| +8% | +$2.39M |
|
911
Magna International
MGA
$18.6B
| $33.3M | 0.02% |
625,046
+23,543
| +4% | +$1.15M |
|
|
NVMI
912
Nova
NVMI
$13.1B
| $33.2M | 0.02% |
101,117
+14,634
| +17% | +$4.7M |
|
913
ProPetro Holding
PUMP
$1.42B
| $33.2M | 0.02% |
3,491,336
-257,452
| -7% | -$2.24M |
|
914
United Therapeutics
UTHR
$21.9B
| $33.1M | 0.02% |
67,957
+31,828
| +88% | +$14.8M |
|
915
Sally Beauty Holdings
SBH
$1.55B
| $33.1M | 0.02% |
2,321,283
+660,452
| +40% | +$9.95M |
|
916
POSCO
PKX
$17.3B
| $33.1M | 0.02% |
621,560
+71,861
| +13% | +$3.79M |
|
917
Mineralys Therapeutics
MLYS
$2.39B
| $33M | 0.02% |
908,093
+28,411
| +3% | +$1.14M |
|
918
Iron Mountain
IRM
$37B
| $32.8M | 0.02% |
395,893
-156,156
| -28% | -$14.6M |
|
919
Vermilion Energy
VET
$1.73B
| $32.7M | 0.02% |
3,926,666
+63,565
| +2% | +$525K |
|
|
GAP
920
The Gap Inc
GAP
$7.29B
| $32.5M | 0.02% |
1,269,590
-252,163
| -17% | -$6.11M |
|
921
Enact Holdings
ACT
$6.79B
| $32.5M | 0.02% |
818,857
+63,851
| +8% | +$2.4M |
|
922
Hamilton Insurance Group
HG
$2.32B
| $32.4M | 0.02% |
1,161,206
-862,762
| -43% | -$22.4M |
|
923
AerCap
AER
$23.6B
| $32.4M | 0.02% |
225,174
+50,927
| +29% | +$6.75M |
|
924
Dick's Sporting Goods
DKS
$18.1B
| $32.2M | 0.02% |
162,865
-249,796
| -61% | -$54.5M |
|
925
Insmed
INSM
$28.9B
| $32.2M | 0.02% |
185,090
+108,411
| +141% | +$19.8M |
|
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.