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 |
Microsoft
MSFT
|
+$430M |
| 2 |
MRSH
Marsh
MRSH
|
+$342M |
| 3 |
Honeywell
HON
|
+$212M |
| 4 |
Owens Corning
OC
|
+$206M |
| 5 |
Coeur Mining
CDE
|
+$174M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$513M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$440M |
| 3 |
NVIDIA
NVDA
|
+$416M |
| 4 |
Kenvue
KVUE
|
+$306M |
| 5 |
Apple
AAPL
|
+$213M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 25.15% |
| 2 | Financials | 13.37% |
| 3 | Consumer Discretionary | 11.55% |
| 4 | Industrials | 10.99% |
| 5 | Healthcare | 9.31% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2026
Investar Holding Corp
ISTR
$411M
| $2.65M | ﹤0.01% |
97,273
-24,738
| -20% | -$692K |
|
2027
Whirlpool
WHR
$2.75B
| $2.65M | ﹤0.01% |
+49,175
| New | +$3.61M |
|
2028
Choiceone Financial
COFS
$508M
| $2.64M | ﹤0.01% |
94,025
+12,715
| +16% | +$364K |
|
2029
Compañía de Cervecerías Unidas
CCU
$2.24B
| $2.64M | ﹤0.01% |
232,917
+51,153
| +28% | +$681K |
|
2030
BILL Holdings
BILL
$4.91B
| $2.63M | ﹤0.01% |
68,647
+61,232
| +826% | +$2.74M |
|
2031
Under Armour
UAA
$2.5B
| $2.63M | ﹤0.01% |
444,468
-24,546
| -5% | -$159K |
|
2032
McEwen Inc
MUX
$1.18B
| $2.6M | ﹤0.01% |
127,327
+866
| +0.7% | +$20.6K |
|
2033
JELD-WEN Holding
JELD
$162M
| $2.6M | ﹤0.01% |
2,095,185
-760,413
| -27% | -$1.66M |
|
2034
AMERISAFE
AMSF
$522M
| $2.59M | ﹤0.01% |
77,721
+22,367
| +40% | +$807K |
|
2035
Option Care Health
OPCH
$3.67B
| $2.59M | ﹤0.01% |
96,173
+42,455
| +79% | +$1.38M |
|
|
RPC
2036
Ridgepost Capital
RPC
$949M
| $2.58M | ﹤0.01% |
355,679
-2,370,266
| -87% | -$21.5M |
|
2037
ACI Worldwide
ACIW
$5.34B
| $2.58M | ﹤0.01% |
62,859
-796,466
| -93% | -$33.5M |
|
2038
MillerKnoll
MLKN
$1.64B
| $2.58M | ﹤0.01% |
178,153
-1,056
| -0.6% | -$20.8K |
|
2039
EverQuote
EVER
$900M
| $2.57M | ﹤0.01% |
166,415
+66,770
| +67% | +$1.26M |
|
|
TDAY
2040
USA Today Co
TDAY
$1.05B
| $2.56M | ﹤0.01% |
363,195
-4,660
| -1% | -$28.5K |
|
2041
Omnicom Group
OMC
$23.2B
| $2.56M | ﹤0.01% |
33,993
-1,178,558
| -97% | -$91.4M |
|
2042
Churchill Downs
CHDN
$6.02B
| $2.54M | ﹤0.01% |
28,282
+6,171
| +28% | +$586K |
|
2043
Kadant
KAI
$3.94B
| $2.52M | ﹤0.01% |
8,616
+903
| +12% | +$290K |
|
2044
Moog Inc Class A
MOG.A
$13B
| $2.52M | ﹤0.01% |
8,604
+3,677
| +75% | +$1.13M |
|
2045
Franklin Resources
BEN
$17B
| $2.51M | ﹤0.01% |
106,228
-2,366
| -2% | -$60.9K |
|
2046
CoStar Group
CSGP
$12.8B
| $2.5M | ﹤0.01% |
61,958
-14,637
| -19% | -$762K |
|
2047
Franklin Financial Services
FRAF
$278M
| $2.49M | ﹤0.01% |
48,823
+6,749
| +16% | +$340K |
|
2048
Rush Street Interactive
RSI
$2.86B
| $2.47M | ﹤0.01% |
113,359
+40,625
| +56% | +$778K |
|
2049
FNB Corp
FNB
$6.75B
| $2.46M | ﹤0.01% |
147,114
-2,356,701
| -94% | -$40.7M |
|
2050
Acacia Research
ACTG
$465M
| $2.46M | ﹤0.01% |
511,374
+18,335
| +4% | +$77.3K |
|
Similar funds
American Century Companies's Q1 2026 Portfolio in Review
As of Q1 2026, American Century Companies held 2,945 positions worth $194B, down 2.4% from $199B the previous quarter. Its ten largest holdings account for 24% of the portfolio.
American Century Companies's Q1 2026 filing shows 133 new, 1,604 increased, 1,039 reduced and 115 closed positions. Its largest new stake was Sunbelt Rentals Holdings: 2,015,224 shares worth $127M. The largest sale was Amazon, an estimated $513M.
By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 27% a quarter earlier, followed by Financials and Consumer Discretionary.
- American Century Companies's largest Q1 2026 buy was Sunbelt Rentals Holdings: 2,015,224 shares worth $127M.
- American Century Companies added most to Microsoft in Q1 2026, an estimated $430M increase.
- American Century Companies's biggest Q1 2026 reduction was Amazon, cutting an estimated $513M.
- American Century Companies fully exited Icon in Q1 2026, selling an estimated $189M.
- American Century Companies's ten largest holdings make up 24% of its $194B portfolio in Q1 2026.
- American Century Companies opened 133 new positions and closed 115 in Q1 2026.
- American Century Companies's portfolio value fell 2.4% quarter-over-quarter to $194B.
Based on American Century Companies's 13F filing for Q1 2026, filed 15 May 2026.