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 |
Humana
HUM
|
+$276M |
| 2 |
NVIDIA
NVDA
|
+$243M |
| 3 |
Meta Platforms (Facebook)
META
|
+$206M |
| 4 |
iShares Russell Mid-Cap Value ETF
IWS
|
+$165M |
| 5 |
Colgate-Palmolive
CL
|
+$162M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$615M |
| 2 |
Microsoft
MSFT
|
+$544M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$322M |
| 4 |
L3Harris
LHX
|
+$254M |
| 5 |
Idexx Laboratories
IDXX
|
+$227M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 22.01% |
| 2 | Healthcare | 14.17% |
| 3 | Financials | 13.99% |
| 4 | Consumer Discretionary | 11.07% |
| 5 | Industrials | 9.74% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2526
Hyliion Holdings
HYLN
$695M
| $54.5K | ﹤0.01% |
27,798
+4,678
| +20% | +$13K |
|
2527
Seer Inc
SEER
$118M
| $54.2K | ﹤0.01% |
15,067
+2,165
| +17% | +$9.96K |
|
|
RJET
2528
Republic Airways Holdings
RJET
$962M
| $53.9K | ﹤0.01% |
1,542
+9
| +0.6% | +$377 |
|
|
SFIX
2529
Stitch Fix
SFIX
$474M
| $52.3K | ﹤0.01% |
+10,928
| New | +$51.2K |
|
2530
ARS Pharmaceuticals
SPRY
$601M
| $51.4K | ﹤0.01% |
+39,132
| New | +$301K |
|
|
KZR
2531
DELISTED
Kezar Life Sciences
KZR
| $50.2K | ﹤0.01% |
1,589
+361
| +29% | +$20.9K |
|
|
GRTS
2532
DELISTED
Gritstone bio, Inc. Common Stock
GRTS
| $49.9K | ﹤0.01% |
19,279
+8,859
| +85% | +$25.3K |
|
2533
China Automotive Systems
CAAS
$138M
| $49.7K | ﹤0.01% |
+10,255
| New | +$71.9K |
|
2534
Inovio Pharmaceuticals
INO
$79.6M
| $49K | ﹤0.01% |
5,152
+1,041
| +25% | +$17.7K |
|
|
GBIO
2535
DELISTED
Generation Bio
GBIO
| $48.8K | ﹤0.01% |
+1,045
| New | +$50.5K |
|
2536
AXT Inc
AXTI
$5.13B
| $46.8K | ﹤0.01% |
12,010
+1,933
| +19% | +$9.39K |
|
2537
Ribbon Communications
RBBN
$372M
| $46.5K | ﹤0.01% |
+13,504
| New | +$49.4K |
|
|
BLUE
2538
DELISTED
bluebird bio
BLUE
| $46.5K | ﹤0.01% |
740
-285
| -28% | -$32.5K |
|
2539
C4 Therapeutics
CCCC
$480M
| $45.4K | ﹤0.01% |
14,661
+2,675
| +22% | +$15.7K |
|
2540
Nuvation Bio
NUVB
$2.25B
| $45.4K | ﹤0.01% |
27,496
+3,907
| +17% | +$7.92K |
|
|
NNDM
2541
Nano Dimension
NNDM
$344M
| $43.9K | ﹤0.01% |
15,303
+64
| +0.4% | +$172 |
|
|
CTEV
2542
Claritev Corp
CTEV
$599M
| $43.5K | ﹤0.01% |
1,026
+329
| +47% | +$14.9K |
|
2543
Opendoor
OPEN
$3.39B
| $40.5K | ﹤0.01% |
+25,682
| New | +$42.3K |
|
|
PSTX
2544
DELISTED
Poseida Therapeutics, Inc. Common Stock
PSTX
| $38.9K | ﹤0.01% |
+12,455
| New | +$74.6K |
|
2545
Cipher Digital
CIFR
$7.42B
| $38.3K | ﹤0.01% |
+16,454
| New | +$25.3K |
|
2546
AtaiBeckley Inc
ATAI
$2.68B
| $38.2K | ﹤0.01% |
23,893
+5,266
| +28% | +$8.92K |
|
2547
Erasca
ERAS
$6.5B
| $37.6K | ﹤0.01% |
+12,963
| New | +$47.1K |
|
2548
Outdoor Holding Co
POWW
$267M
| $36.8K | ﹤0.01% |
17,945
+3,273
| +22% | +$6.77K |
|
|
GOL
2549
DELISTED
Gol Linhas Aéreas Inteligentes S.A. American Depositary Shares (Each representing Ten Preferred Shares)
GOL
| $36.4K | ﹤0.01% |
13,844
-350
| -2% | -$943 |
|
2550
Fossil Group
FOSL
$311M
| $36.2K | ﹤0.01% |
+11,492
| New | +$51.6K |
|
Similar funds
American Century Companies's Q1 2023 Portfolio in Review
As of Q1 2023, American Century Companies held 2,730 positions worth $127B, up 3.7% from $122B the previous quarter. Its ten largest holdings account for 20% of the portfolio.
American Century Companies's Q1 2023 filing shows 153 new, 1,696 increased, 700 reduced and 63 closed positions. Its largest new stake was Atlassian: 260,346 shares worth $44.6M. The largest sale was Amazon, an estimated $615M.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 19% a quarter earlier, followed by Healthcare and Financials.
- American Century Companies's largest Q1 2023 buy was Atlassian: 260,346 shares worth $44.6M.
- American Century Companies added most to Humana in Q1 2023, an estimated $276M increase.
- American Century Companies's biggest Q1 2023 reduction was Amazon, cutting an estimated $615M.
- American Century Companies fully exited SVB Financial Group in Q1 2023, selling an estimated $73M.
- American Century Companies's ten largest holdings make up 20% of its $127B portfolio in Q1 2023.
- American Century Companies opened 153 new positions and closed 63 in Q1 2023.
- American Century Companies's portfolio value rose 3.7% quarter-over-quarter to $127B.
Based on American Century Companies's 13F filing for Q1 2023, filed 11 May 2023.