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 | |
|---|---|---|---|---|---|---|
2276
EverQuote
EVER
$864M
| $918K | ﹤0.01% |
+35,040
| New | +$802K |
|
2277
Excelerate Energy
EE
$1.12B
| $918K | ﹤0.01% |
31,996
-194
| -0.6% | -$5.8K |
|
2278
ESCO Technologies
ESE
$7.79B
| $909K | ﹤0.01% |
5,711
+30
| +0.5% | +$4.5K |
|
|
JBTM
2279
JBT Marel
JBTM
$6.1B
| $908K | ﹤0.01% |
7,434
+1,285
| +21% | +$163K |
|
2280
Innovative Industrial Properties
IIPR
$1.67B
| $902K | ﹤0.01% |
16,683
+525
| +3% | +$36.4K |
|
2281
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$17.9B
| $899K | ﹤0.01% |
11,400
| – | – |
|
2282
AppFolio
APPF
$7.22B
| $897K | ﹤0.01% |
4,079
-614
| -13% | -$141K |
|
2283
Shutterstock
SSTK
$217M
| $892K | ﹤0.01% |
47,854
-232
| -0.5% | -$5.95K |
|
2284
Roivant Sciences
ROIV
$26.2B
| $887K | ﹤0.01% |
87,936
+120
| +0.1% | +$1.3K |
|
|
PRMB
2285
Primo Brands
PRMB
$8.97B
| $884K | ﹤0.01% |
24,908
-61,656
| -71% | -$2.01M |
|
2286
Sigma Lithium
SGML
$1.27B
| $881K | ﹤0.01% |
84,723
+48,381
| +133% | +$555K |
|
2287
Chewy
CHWY
$9.2B
| $877K | ﹤0.01% |
26,973
+15,263
| +130% | +$548K |
|
2288
WIX.com
WIX
$3.35B
| $874K | ﹤0.01% |
5,350
-263
| -5% | -$54.6K |
|
2289
Kadant
KAI
$3.91B
| $873K | ﹤0.01% |
2,591
-773
| -23% | -$281K |
|
2290
Dianthus Therapeutics
DNTH
$6.13B
| $867K | ﹤0.01% |
47,817
+3,821
| +9% | +$84.2K |
|
2291
i3 Verticals
IIIV
$325M
| $867K | ﹤0.01% |
35,133
+8,081
| +30% | +$205K |
|
|
SOHU
2292
Sohu.com
SOHU
$364M
| $865K | ﹤0.01% |
65,663
+204
| +0.3% | +$2.74K |
|
2293
OP Bancorp
OPBK
$235M
| $863K | ﹤0.01% |
71,769
+30
| +0% | +$411 |
|
2294
BILL Holdings
BILL
$5.11B
| $863K | ﹤0.01% |
18,797
+2,012
| +12% | +$135K |
|
2295
LeMaitre Vascular
LMAT
$1.87B
| $857K | ﹤0.01% |
+10,214
| New | +$950K |
|
2296
Nuvation Bio
NUVB
$2.14B
| $856K | ﹤0.01% |
486,535
+75,362
| +18% | +$172K |
|
2297
Tootsie Roll Industries
TR
$3.02B
| $854K | ﹤0.01% |
27,955
+12,187
| +77% | +$363K |
|
2298
Cullinan Oncology
CGEM
$1.26B
| $853K | ﹤0.01% |
112,670
+11,949
| +12% | +$115K |
|
2299
First Bancorp
FNLC
$401M
| $845K | ﹤0.01% |
34,190
+11,599
| +51% | +$297K |
|
2300
Enpro
NPO
$7.12B
| $844K | ﹤0.01% |
5,218
-783
| -13% | -$141K |
|
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.