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 | |
|---|---|---|---|---|---|---|
501
Kulicke & Soffa
KLIC
$5.01B
| $63.3M | 0.04% |
1,920,687
-61,676
| -3% | -$2.53M |
|
502
SiteOne Landscape Supply
SITE
$4.27B
| $63.3M | 0.04% |
521,564
+25,171
| +5% | +$3.34M |
|
503
RadNet
RDNT
$6.08B
| $63.3M | 0.04% |
1,272,928
+1,063,516
| +508% | +$62.9M |
|
|
NEE.PRR
504
DELISTED
NextEra Energy, Inc. 6.926% Corporate Units
NEE.PRR
| $62.9M | 0.04% |
1,537,233
+8,488
| +0.6% | +$346K |
|
505
Lear
LEA
$8.16B
| $62.7M | 0.04% |
710,962
+365,382
| +106% | +$34.7M |
|
506
Lockheed Martin
LMT
$138B
| $62.1M | 0.04% |
139,087
-35,039
| -20% | -$16.1M |
|
507
Mueller Water Products
MWA
$3.98B
| $62M | 0.04% |
2,440,516
+383,884
| +19% | +$9.63M |
|
|
PLGO
508
Pelagos Insurance Capital
PLGO
$1.95B
| $62M | 0.04% |
3,825,159
+248,141
| +7% | +$3.97M |
|
509
Cigna
CI
$73.5B
| $61.9M | 0.04% |
188,007
-5,920
| -3% | -$1.78M |
|
510
CBRE Group
CBRE
$44B
| $61.8M | 0.04% |
472,641
-685,079
| -59% | -$93.1M |
|
511
Abercrombie & Fitch
ANF
$4.84B
| $61.6M | 0.04% |
806,980
+126,050
| +19% | +$13.6M |
|
512
Credicorp
BAP
$29.8B
| $61.4M | 0.04% |
329,724
+11,513
| +4% | +$2.14M |
|
513
Boot Barn
BOOT
$4.92B
| $61.2M | 0.04% |
569,390
+75,413
| +15% | +$10.1M |
|
514
Broadridge
BR
$19.6B
| $61.2M | 0.04% |
252,207
-777
| -0.3% | -$183K |
|
515
Ollie's Bargain Outlet
OLLI
$4.7B
| $61.1M | 0.04% |
525,076
+70,748
| +16% | +$7.48M |
|
516
Scorpio Tankers
STNG
$3.93B
| $61.1M | 0.04% |
1,625,131
+66,729
| +4% | +$2.99M |
|
|
CIVI
517
DELISTED
Civitas Resources
CIVI
| $60.9M | 0.04% |
1,745,641
+690,246
| +65% | +$30.6M |
|
518
The Ensign Group
ENSG
$10.6B
| $60.6M | 0.04% |
468,575
+433,489
| +1,236% | +$57.4M |
|
519
Vanguard Intermediate-Term Corporate Bond ETF
VCIT
$67.8B
| $60.6M | 0.04% |
740,700
+55,300
| +8% | +$4.47M |
|
520
The Greenbrier Companies
GBX
$1.42B
| $60.4M | 0.04% |
1,179,039
+183,749
| +18% | +$11M |
|
521
Clean Harbors
CLH
$16.9B
| $60.3M | 0.04% |
306,047
-49,171
| -14% | -$10.8M |
|
522
Murphy Oil
MUR
$4.99B
| $60.1M | 0.04% |
2,117,660
+443,070
| +26% | +$12.5M |
|
523
Iridium Communications
IRDM
$5.27B
| $60.1M | 0.04% |
2,198,343
+462,501
| +27% | +$13.6M |
|
524
Agilent Technologies
A
$42.2B
| $60M | 0.04% |
512,762
+709
| +0.1% | +$95.6K |
|
525
NewMarket
NEU
$8.72B
| $59.5M | 0.04% |
105,120
+57,403
| +120% | +$30.3M |
|
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.