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 | |
|---|---|---|---|---|---|---|
1926
Castle Biosciences
CSTL
$914M
| $3.03M | ﹤0.01% |
77,768
-4,744
| -6% | -$153K |
|
|
UCTT
1927
Ultra Clean Holdings
UCTT
$3.98B
| $3.02M | ﹤0.01% |
119,236
-7,779
| -6% | -$207K |
|
1928
Microvast
MVST
$337M
| $3.02M | ﹤0.01% |
1,076,991
+267,866
| +33% | +$1.12M |
|
1929
Dianthus Therapeutics
DNTH
$6.27B
| $3M | ﹤0.01% |
72,767
+10,446
| +17% | +$405K |
|
1930
United Bankshares
UBSI
$6.71B
| $3M | ﹤0.01% |
78,007
-7,751
| -9% | -$289K |
|
1931
ProFrac Holding
ACDC
$989M
| $2.98M | ﹤0.01% |
766,910
+61,727
| +9% | +$252K |
|
1932
MVB Financial
MVBF
$401M
| $2.98M | ﹤0.01% |
115,258
-1,634
| -1% | -$43.4K |
|
1933
J&J Snack Foods
JJSF
$1.69B
| $2.97M | ﹤0.01% |
32,834
+242
| +0.7% | +$21.9K |
|
1934
Exponent
EXPO
$3.21B
| $2.97M | ﹤0.01% |
42,708
+17,842
| +72% | +$1.25M |
|
1935
Energizer
ENR
$1.55B
| $2.96M | ﹤0.01% |
148,989
-36,748
| -20% | -$801K |
|
1936
Newell Brands
NWL
$2.66B
| $2.96M | ﹤0.01% |
794,563
+34,187
| +4% | +$138K |
|
1937
NNN REIT
NNN
$8.87B
| $2.94M | ﹤0.01% |
74,203
+2,906
| +4% | +$119K |
|
1938
Beazer Homes USA
BZH
$874M
| $2.93M | ﹤0.01% |
144,768
+62,088
| +75% | +$1.38M |
|
1939
Clear Secure
YOU
$4.68B
| $2.93M | ﹤0.01% |
83,530
+10,614
| +15% | +$361K |
|
1940
Ezcorp Inc
EZPW
$1.78B
| $2.93M | ﹤0.01% |
150,774
-73,165
| -33% | -$1.38M |
|
1941
Bel Fuse Inc Class A
BELFA
$3.5B
| $2.91M | ﹤0.01% |
19,198
-7,670
| -29% | -$1.03M |
|
1942
InMode
INMD
$874M
| $2.91M | ﹤0.01% |
198,346
+170,068
| +601% | +$2.5M |
|
1943
Brookfield Asset Management
BAM
$86.8B
| $2.91M | ﹤0.01% |
55,471
-44,981
| -45% | -$2.42M |
|
1944
News Corp Class A
NWSA
$15.6B
| $2.91M | ﹤0.01% |
111,245
+2,770
| +3% | +$72.7K |
|
1945
CONMED
CNMD
$1.5B
| $2.9M | ﹤0.01% |
71,526
+166
| +0.2% | +$7.22K |
|
1946
JetBlue
JBLU
$2.16B
| $2.89M | ﹤0.01% |
635,761
-3,349,370
| -84% | -$15.3M |
|
1947
WD-40
WDFC
$3.07B
| $2.89M | ﹤0.01% |
14,679
+2,051
| +16% | +$404K |
|
1948
Greif Class B
GEF.B
$4.24B
| $2.88M | ﹤0.01% |
38,561
+32,378
| +524% | +$2.15M |
|
1949
Vail Resorts
MTN
$5.23B
| $2.86M | ﹤0.01% |
21,546
-851
| -4% | -$125K |
|
|
SFBS
1950
ServisFirst Bancshares
SFBS
$5B
| $2.84M | ﹤0.01% |
39,591
+6,662
| +20% | +$489K |
|
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.