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 |
Microsoft
MSFT
|
+$430M |
| 2 |
MRSH
Marsh
MRSH
|
+$342M |
| 3 |
Honeywell
HON
|
+$212M |
| 4 |
Owens Corning
OC
|
+$206M |
| 5 |
Coeur Mining
CDE
|
+$174M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$513M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$440M |
| 3 |
NVIDIA
NVDA
|
+$416M |
| 4 |
Kenvue
KVUE
|
+$306M |
| 5 |
Apple
AAPL
|
+$213M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 25.15% |
| 2 | Financials | 13.37% |
| 3 | Consumer Discretionary | 11.55% |
| 4 | Industrials | 10.99% |
| 5 | Healthcare | 9.31% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2526
Quad
QUAD
$525M
| $461K | ﹤0.01% |
69,780
-987
| -1% | -$6.38K |
|
2527
Kyverna Therapeutics
KYTX
$484M
| $459K | ﹤0.01% |
53,235
+6,868
| +15% | +$57.2K |
|
2528
8x8 Inc
EGHT
$332M
| $457K | ﹤0.01% |
275,371
-19,978
| -7% | -$40.9K |
|
2529
Ultragenyx Pharmaceutical
RARE
$2.55B
| $456K | ﹤0.01% |
+21,780
| New | +$490K |
|
2530
WEX
WEX
$6.31B
| $455K | ﹤0.01% |
2,970
+483
| +19% | +$75.5K |
|
2531
E.W. Scripps
SSP
$304M
| $454K | ﹤0.01% |
122,170
-66,803
| -35% | -$247K |
|
2532
Savers
SVV
$1.88B
| $454K | ﹤0.01% |
61,012
+6,994
| +13% | +$66.8K |
|
2533
LifeVantage
LFVN
$85.3M
| $452K | ﹤0.01% |
104,664
+169
| +0.2% | +$885 |
|
|
TBRG
2534
DELISTED
TruBridge
TBRG
| $450K | ﹤0.01% |
30,764
-202
| -0.7% | -$3.86K |
|
2535
ArriVent BioPharma
AVBP
$1.44B
| $450K | ﹤0.01% |
+19,515
| New | +$441K |
|
2536
Ribbon Communications
RBBN
$383M
| $450K | ﹤0.01% |
212,363
-1,583
| -0.7% | -$3.79K |
|
2537
Utah Medical Products
UTMD
$225M
| $450K | ﹤0.01% |
7,253
-47
| -0.6% | -$2.96K |
|
2538
CoreCivic
CXW
$3.19B
| $449K | ﹤0.01% |
23,760
+12,811
| +117% | +$242K |
|
2539
Rapid7
RPD
$773M
| $448K | ﹤0.01% |
81,232
+10,404
| +15% | +$95.6K |
|
|
ONTF
2540
DELISTED
ON24
ONTF
| $447K | ﹤0.01% |
55,232
-45
| -0.1% | -$360 |
|
2541
Aclaris Therapeutics
ACRS
$869M
| $445K | ﹤0.01% |
118,702
+41,134
| +53% | +$139K |
|
2542
Eastern Company
EML
$150M
| $442K | ﹤0.01% |
21,858
-1,660
| -7% | -$31.5K |
|
2543
National CineMedia
NCMI
$378M
| $441K | ﹤0.01% |
144,669
-1,078
| -0.7% | -$3.79K |
|
2544
Liberty Latin America Class A
LILA
$1.67B
| $435K | ﹤0.01% |
74,067
-20,412
| -22% | -$108K |
|
2545
Aveanna Healthcare
AVAH
$2.07B
| $431K | ﹤0.01% |
+66,952
| New | +$518K |
|
|
BLFY
2546
DELISTED
Blue Foundry Bancorp
BLFY
| $431K | ﹤0.01% |
32,559
+13,489
| +71% | +$179K |
|
2547
Asure Software
ASUR
$250M
| $430K | ﹤0.01% |
49,986
-1,224
| -2% | -$10.8K |
|
2548
Ituran Location and Control
ITRN
$1.05B
| $428K | ﹤0.01% |
8,723
+1,284
| +17% | +$60.5K |
|
2549
Telos
TLS
$358M
| $426K | ﹤0.01% |
101,765
-3,508
| -3% | -$16.6K |
|
2550
Braskem
BAK
$913M
| $425K | ﹤0.01% |
115,999
+2,358
| +2% | +$8.93K |
|
Similar funds
American Century Companies's Q1 2026 Portfolio in Review
As of Q1 2026, American Century Companies held 2,945 positions worth $194B, down 2.4% from $199B the previous quarter. Its ten largest holdings account for 24% of the portfolio.
American Century Companies's Q1 2026 filing shows 133 new, 1,604 increased, 1,039 reduced and 115 closed positions. Its largest new stake was Sunbelt Rentals Holdings: 2,015,224 shares worth $127M. The largest sale was Amazon, an estimated $513M.
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 2026 buy was Sunbelt Rentals Holdings: 2,015,224 shares worth $127M.
- American Century Companies added most to Microsoft in Q1 2026, an estimated $430M increase.
- American Century Companies's biggest Q1 2026 reduction was Amazon, cutting an estimated $513M.
- American Century Companies fully exited Icon in Q1 2026, selling an estimated $189M.
- American Century Companies's ten largest holdings make up 24% of its $194B portfolio in Q1 2026.
- American Century Companies opened 133 new positions and closed 115 in Q1 2026.
- American Century Companies's portfolio value fell 2.4% quarter-over-quarter to $194B.
Based on American Century Companies's 13F filing for Q1 2026, filed 15 May 2026.