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 | |
|---|---|---|---|---|---|---|
376
Casella Waste Systems
CWST
$5.77B
| $87.8M | 0.05% |
787,673
+71,406
| +10% | +$7.81M |
|
377
Cardinal Health
CAH
$53.9B
| $87.7M | 0.05% |
636,640
-456,710
| -42% | -$58.2M |
|
378
Liberty Energy
LBRT
$3.52B
| $87.2M | 0.05% |
5,508,609
+330,520
| +6% | +$5.93M |
|
379
M/I Homes
MHO
$3.88B
| $87.1M | 0.05% |
763,027
-87,390
| -10% | -$10.7M |
|
380
Cable One
CABO
$196M
| $87M | 0.05% |
327,202
+55,471
| +20% | +$16.2M |
|
381
Plexus
PLXS
$7.22B
| $86.9M | 0.05% |
678,222
+134,205
| +25% | +$18.9M |
|
382
Apollo Global Management
APO
$83B
| $86.8M | 0.05% |
633,626
-43,212
| -6% | -$6.64M |
|
383
American Century Multisector Income ETF
MUSI
$249M
| $86.3M | 0.05% |
1,972,638
+3
| +0% | +$131 |
|
384
Colgate-Palmolive
CL
$73.7B
| $85.8M | 0.05% |
915,313
+98,605
| +12% | +$8.83M |
|
385
Goldman Sachs
GS
$306B
| $85.4M | 0.05% |
156,362
+64,471
| +70% | +$38.8M |
|
386
Albany International
AIN
$1.81B
| $85.2M | 0.05% |
1,233,925
+384,546
| +45% | +$29.9M |
|
387
ADMA Biologics
ADMA
$2.08B
| $84.4M | 0.05% |
4,252,362
+478,800
| +13% | +$8.28M |
|
388
Infosys
INFY
$49.5B
| $84.2M | 0.05% |
4,611,368
+7,375
| +0.2% | +$153K |
|
389
Royal Caribbean
RCL
$82.9B
| $84.1M | 0.05% |
409,307
+83,318
| +26% | +$19.7M |
|
390
Americold
COLD
$4.34B
| $84.1M | 0.05% |
3,917,087
+855,883
| +28% | +$18.6M |
|
391
Sanofi
SNY
$105B
| $84M | 0.05% |
1,515,244
-191,813
| -11% | -$10.4M |
|
392
Icon
ICLR
$12.8B
| $83.6M | 0.05% |
477,937
+147,222
| +45% | +$28.5M |
|
393
American Century US Quality Growth ETF
QGRO
$2.04B
| $83.6M | 0.05% |
892,793
-2,104
| -0.2% | -$214K |
|
394
HEICO Corp
HEI
$51.3B
| $83.5M | 0.05% |
312,615
+31,834
| +11% | +$7.75M |
|
395
Element Solutions
ESI
$9.46B
| $83.1M | 0.05% |
3,675,953
-1,464,542
| -28% | -$37.4M |
|
396
West Pharmaceutical
WST
$24.6B
| $82.9M | 0.05% |
370,310
+113,065
| +44% | +$31.2M |
|
|
HOLX
397
DELISTED
Hologic
HOLX
| $82.8M | 0.05% |
1,339,983
+65,916
| +5% | +$4.37M |
|
398
TransDigm Group
TDG
$68B
| $82.7M | 0.05% |
59,796
-5,940
| -9% | -$7.92M |
|
399
Kinross Gold
KGC
$31.6B
| $82.6M | 0.05% |
6,550,239
-1,161,407
| -15% | -$13M |
|
400
Ryan Specialty Holdings
RYAN
$10.8B
| $81.9M | 0.05% |
1,109,234
-25,050
| -2% | -$1.7M |
|
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.