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 | |
|---|---|---|---|---|---|---|
|
RDNW
2776
RideNow Group
RDNW
$248M
| $73K | ﹤0.01% |
25,904
+642
| +3% | +$2.64K |
|
|
AZUL
2777
DELISTED
Azul
AZUL
| $72K | ﹤0.01% |
43,891
+6
| +0% | +$12 |
|
2778
Inovio Pharmaceuticals
INO
$79.6M
| $70.3K | ﹤0.01% |
43,142
-555
| -1% | -$1.11K |
|
|
ATYR
2779
aTyr Pharma
ATYR
$53M
| $68.6K | ﹤0.01% |
22,703
-65,409
| -74% | -$238K |
|
|
KEEL
2780
Keel Infrastructure Corp
KEEL
$2.19B
| $68.1K | ﹤0.01% |
86,699
+2,418
| +3% | +$3.2K |
|
2781
Zevia
ZVIA
$104M
| $67.4K | ﹤0.01% |
+31,199
| New | +$102K |
|
2782
United States Antimony
UAMY
$744M
| $66.2K | ﹤0.01% |
+30,105
| New | +$52.2K |
|
|
UNIT
2783
Uniti Group
UNIT
$2.31B
| $64.9K | ﹤0.01% |
+12,882
| New | +$69.5K |
|
2784
Innovative Solutions & Support
ISSC
$360M
| $63.9K | ﹤0.01% |
+10,158
| New | +$87.5K |
|
2785
ThredUp
TDUP
$405M
| $57K | ﹤0.01% |
+23,650
| New | +$54.4K |
|
2786
Uranium Energy
UEC
$5.62B
| $56K | ﹤0.01% |
11,717
-1,131,610
| -99% | -$7.1M |
|
2787
Upland Software
UPLD
$14.9M
| $55.1K | ﹤0.01% |
+1,927
| New | +$73.1K |
|
2788
AtaiBeckley Inc
ATAI
$2.68B
| $51.7K | ﹤0.01% |
+37,981
| New | +$63.9K |
|
|
BLDP
2789
Ballard Power Systems
BLDP
$790M
| $51.1K | ﹤0.01% |
46,294
+1,313
| +3% | +$1.85K |
|
2790
Genelux
GNLX
$121M
| $50.9K | ﹤0.01% |
+18,840
| New | +$70.7K |
|
2791
MacroGenics
MGNX
$256M
| $50.2K | ﹤0.01% |
39,525
+27,782
| +237% | +$72.6K |
|
2792
Tilly's
TLYS
$121M
| $49.1K | ﹤0.01% |
22,335
-135
| -0.6% | -$496 |
|
|
QIPT
2793
DELISTED
Quipt Home Medical
QIPT
| $47.8K | ﹤0.01% |
20,582
+208
| +1% | +$570 |
|
|
GAU
2794
Galiano Gold
GAU
$547M
| $45.4K | ﹤0.01% |
36,873
+5,172
| +16% | +$6.36K |
|
2795
China Automotive Systems
CAAS
$138M
| $45K | ﹤0.01% |
10,183
+48
| +0.5% | +$207 |
|
2796
Century Casinos
CNTY
$34.3M
| $44.8K | ﹤0.01% |
26,505
-12,000
| -31% | -$32.6K |
|
2797
Oramed Pharmaceuticals
ORMP
$178M
| $41.9K | ﹤0.01% |
19,591
| – | – |
|
2798
Virgin Galactic
SPCE
$500M
| $41.5K | ﹤0.01% |
+13,702
| New | +$60.1K |
|
2799
1stdibs.com
DIBS
$163M
| $40.1K | ﹤0.01% |
13,187
| – | – |
|
2800
Paysign
PAYS
$723M
| $39.9K | ﹤0.01% |
18,834
| – | – |
|
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.