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 |
Interactive Brokers
IBKR
|
+$266M |
| 2 |
Martin Marietta Materials
MLM
|
+$178M |
| 3 |
Broadcom
AVGO
|
+$143M |
| 4 |
Reinsurance Group of America
RGA
|
+$127M |
| 5 |
FISV
Fiserv Inc
FISV
|
+$122M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$581M |
| 2 |
Apple
AAPL
|
+$544M |
| 3 |
Microsoft
MSFT
|
+$344M |
| 4 |
Eli Lilly
LLY
|
+$275M |
| 5 |
Meta Platforms (Facebook)
META
|
+$258M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 24.77% |
| 2 | Financials | 15.07% |
| 3 | Consumer Discretionary | 11.87% |
| 4 | Healthcare | 10.87% |
| 5 | Industrials | 9.69% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1926
HF Sinclair
DINO
$15.6B
| $2.3M | ﹤0.01% |
69,917
+7,538
| +12% | +$264K |
|
|
KW
1927
DELISTED
Kennedy-Wilson Holdings
KW
| $2.3M | ﹤0.01% |
264,419
+14,034
| +6% | +$128K |
|
1928
Albemarle
ALB
$15.1B
| $2.29M | ﹤0.01% |
31,849
+2,164
| +7% | +$176K |
|
1929
Ibotta
IBTA
$722M
| $2.29M | ﹤0.01% |
54,326
+11,385
| +27% | +$667K |
|
1930
Progyny
PGNY
$1.99B
| $2.29M | ﹤0.01% |
102,443
+83,660
| +445% | +$1.8M |
|
1931
Green Brick Partners
GRBK
$3.02B
| $2.28M | ﹤0.01% |
39,166
+207
| +0.5% | +$12.2K |
|
1932
Unitil
UTL
$984M
| $2.27M | ﹤0.01% |
39,433
+2,997
| +8% | +$165K |
|
1933
BayCom
BCML
$341M
| $2.27M | ﹤0.01% |
90,121
+26,070
| +41% | +$697K |
|
1934
Westlake Corp
WLK
$10.2B
| $2.27M | ﹤0.01% |
22,644
-20,016
| -47% | -$2.22M |
|
1935
Innodata
INOD
$2.03B
| $2.26M | ﹤0.01% |
63,088
+16,781
| +36% | +$737K |
|
1936
Helios Technologies
HLIO
$2.66B
| $2.26M | ﹤0.01% |
70,549
+10,733
| +18% | +$432K |
|
|
HI
1937
DELISTED
Hillenbrand
HI
| $2.26M | ﹤0.01% |
93,663
+35,745
| +62% | +$1.09M |
|
1938
First Majestic Silver
AG
$9.26B
| $2.26M | ﹤0.01% |
337,976
+248,689
| +279% | +$1.48M |
|
1939
Constellium
CSTM
$3.95B
| $2.26M | ﹤0.01% |
223,732
-2,716
| -1% | -$28.9K |
|
1940
Alcoa
AA
$13.1B
| $2.25M | ﹤0.01% |
73,692
-3,798
| -5% | -$133K |
|
1941
Middlesex Water
MSEX
$1.1B
| $2.24M | ﹤0.01% |
34,985
+5,447
| +18% | +$296K |
|
1942
Rivian
RIVN
$22.9B
| $2.24M | ﹤0.01% |
179,863
-2,791
| -2% | -$35.1K |
|
1943
Velocity Financial
VEL
$711M
| $2.23M | ﹤0.01% |
118,934
+42,237
| +55% | +$795K |
|
|
OPLN
1944
Openlane
OPLN
$4.34B
| $2.22M | ﹤0.01% |
+115,258
| New | +$2.38M |
|
1945
Destination XL Group
DXLG
$33M
| $2.21M | ﹤0.01% |
1,516,580
+8,001
| +0.5% | +$18.7K |
|
1946
Foster
FSTR
$405M
| $2.21M | ﹤0.01% |
112,434
-12,564
| -10% | -$316K |
|
1947
Stanley Black & Decker
SWK
$15.5B
| $2.2M | ﹤0.01% |
28,605
+5,995
| +27% | +$505K |
|
1948
Sphere Entertainment
SPHR
$6.33B
| $2.19M | ﹤0.01% |
66,979
+5,051
| +8% | +$205K |
|
1949
Rogers Communications
RCI
$19.4B
| $2.19M | ﹤0.01% |
82,005
+3,697
| +5% | +$104K |
|
|
SEI
1950
Solaris Energy Infrastructure
SEI
$3.94B
| $2.18M | ﹤0.01% |
100,224
-515,127
| -84% | -$14.3M |
|
Similar funds
American Century Companies's Q1 2025 Portfolio in Review
As of Q1 2025, American Century Companies held 2,990 positions worth $163B, down 6.4% from $174B the previous quarter. Its ten largest holdings account for 25% of the portfolio.
American Century Companies's Q1 2025 filing shows 115 new, 1,752 increased, 899 reduced and 109 closed positions. Its largest new stake was iShares Russell Mid-Cap Value ETF: 619,916 shares worth $78.1M. The largest sale was NVIDIA, an estimated $581M.
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 2025 buy was iShares Russell Mid-Cap Value ETF: 619,916 shares worth $78.1M.
- American Century Companies added most to Interactive Brokers in Q1 2025, an estimated $266M increase.
- American Century Companies's biggest Q1 2025 reduction was NVIDIA, cutting an estimated $581M.
- American Century Companies fully exited Arch Resources, Inc. in Q1 2025, selling an estimated $83.2M.
- American Century Companies's ten largest holdings make up 25% of its $163B portfolio in Q1 2025.
- American Century Companies opened 115 new positions and closed 109 in Q1 2025.
- American Century Companies's portfolio value fell 6.4% quarter-over-quarter to $163B.
Based on American Century Companies's 13F filing for Q1 2025, filed 13 May 2025.