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 | |
|---|---|---|---|---|---|---|
|
PLL
2726
DELISTED
Piedmont Lithium
PLL
| $150K | ﹤0.01% |
23,795
+11,270
| +90% | +$90.1K |
|
2727
Pliant Therapeutics
PLRX
$66.3M
| $149K | ﹤0.01% |
110,093
+9,244
| +9% | +$56.1K |
|
2728
Fossil Group
FOSL
$311M
| $148K | ﹤0.01% |
129,025
+100,783
| +357% | +$158K |
|
2729
CS Disco
LAW
$280M
| $145K | ﹤0.01% |
35,557
-114
| -0.3% | -$554 |
|
2730
TTEC Holdings
TTEC
$77.4M
| $144K | ﹤0.01% |
43,901
+7,393
| +20% | +$27.3K |
|
2731
Duluth Holdings
DLTH
$151M
| $143K | ﹤0.01% |
81,973
| – | – |
|
2732
4D Molecular Therapeutics
FDMT
$621M
| $141K | ﹤0.01% |
43,784
+4,999
| +13% | +$23.6K |
|
2733
Compass Therapeutics
CMPX
$427M
| $140K | ﹤0.01% |
+73,682
| New | +$196K |
|
2734
Larimar Therapeutics
LRMR
$454M
| $138K | ﹤0.01% |
64,284
+7,990
| +14% | +$25.3K |
|
2735
OptimizeRx
OPRX
$132M
| $137K | ﹤0.01% |
15,783
+1,387
| +10% | +$8.48K |
|
|
NAGE
2736
Niagen Bioscience
NAGE
$242M
| $136K | ﹤0.01% |
+19,676
| New | +$124K |
|
2737
Lantronix
LTRX
$275M
| $135K | ﹤0.01% |
54,318
+10,381
| +24% | +$33.5K |
|
2738
Burford Capital
BUR
$962M
| $134K | ﹤0.01% |
+10,174
| New | +$143K |
|
2739
Douglas Elliman
DOUG
$184M
| $131K | ﹤0.01% |
75,905
+19,300
| +34% | +$34.9K |
|
2740
Seer Inc
SEER
$118M
| $128K | ﹤0.01% |
76,001
-313
| -0.4% | -$681 |
|
|
SEMR
2741
DELISTED
Semrush
SEMR
| $128K | ﹤0.01% |
+13,668
| New | +$186K |
|
2742
BlackSky Technology
BKSY
$1.3B
| $127K | ﹤0.01% |
+16,486
| New | +$207K |
|
2743
Sagimet Biosciences
SGMT
$584M
| $127K | ﹤0.01% |
38,831
+18,728
| +93% | +$78.6K |
|
2744
Gaotu Techedu
GOTU
$410M
| $126K | ﹤0.01% |
38,912
| – | – |
|
2745
Sight Sciences
SGHT
$456M
| $125K | ﹤0.01% |
52,282
+718
| +1% | +$2.02K |
|
2746
Star Holdings Shares of Beneficial Interest
STHO
$117M
| $122K | ﹤0.01% |
14,349
+918
| +7% | +$8.01K |
|
|
YRD
2747
Yiren Digital
YRD
$105M
| $121K | ﹤0.01% |
17,538
-4,796
| -21% | -$30.1K |
|
|
SVCO
2748
Silvaco Group
SVCO
$251M
| $120K | ﹤0.01% |
26,335
-6,122
| -19% | -$41.9K |
|
|
DAWN
2749
DELISTED
Day One Biopharmaceuticals
DAWN
| $114K | ﹤0.01% |
+14,415
| New | +$155K |
|
2750
Assembly Biosciences
ASMB
$536M
| $113K | ﹤0.01% |
+11,799
| New | +$154K |
|
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.