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 | |
|---|---|---|---|---|---|---|
2576
Myriad Genetics
MYGN
$312M
| $385K | ﹤0.01% |
85,615
+8,143
| +11% | +$42.4K |
|
2577
Tyler Technologies
TYL
$12.8B
| $383K | ﹤0.01% |
1,119
+360
| +47% | +$134K |
|
2578
AbCellera Biologics
ABCL
$2.12B
| $380K | ﹤0.01% |
109,011
-4,749
| -4% | -$17.1K |
|
2579
Angi Inc
ANGI
$196M
| $380K | ﹤0.01% |
55,507
-8,408
| -13% | -$84.3K |
|
2580
Inogen
INGN
$164M
| $379K | ﹤0.01% |
61,265
-198
| -0.3% | -$1.22K |
|
|
VRE
2581
DELISTED
Veris Residential
VRE
| $376K | ﹤0.01% |
19,914
+3,401
| +21% | +$57.7K |
|
2582
AppFolio
APPF
$7.04B
| $374K | ﹤0.01% |
2,372
-83
| -3% | -$15.7K |
|
2583
WIX.com
WIX
$2.52B
| $374K | ﹤0.01% |
4,153
-6,126
| -60% | -$512K |
|
2584
Neurogene
NGNE
$712M
| $374K | ﹤0.01% |
18,540
+980
| +6% | +$19K |
|
2585
Applied Digital
APLD
$8.41B
| $373K | ﹤0.01% |
+15,730
| New | +$492K |
|
2586
Archer Aviation
ACHR
$4.26B
| $368K | ﹤0.01% |
71,220
+55,365
| +349% | +$395K |
|
2587
Biglari Holdings Class B
BH
$1.21B
| $368K | ﹤0.01% |
1,116
| – | – |
|
|
SERV
2588
Serve Robotics
SERV
$432M
| $368K | ﹤0.01% |
43,578
-1,391
| -3% | -$15K |
|
|
GPGI
2589
GPGI Inc
GPGI
$4.35B
| $368K | ﹤0.01% |
+21,506
| New | +$466K |
|
2590
Norwood Financial Corp
NWFL
$368M
| $367K | ﹤0.01% |
+12,462
| New | +$366K |
|
2591
U-Haul Holding Co
UHAL
$14.6B
| $365K | ﹤0.01% |
7,649
-3,704
| -33% | -$190K |
|
2592
Intapp
INTA
$2.91B
| $365K | ﹤0.01% |
+14,198
| New | +$423K |
|
2593
FuelCell Energy
FCEL
$1.63B
| $360K | ﹤0.01% |
55,103
+28,653
| +108% | +$221K |
|
2594
Quanterix
QTRX
$190M
| $358K | ﹤0.01% |
101,810
-1,398
| -1% | -$8.16K |
|
2595
Geospace Technologies
GEOS
$75.7M
| $358K | ﹤0.01% |
29,319
-822
| -3% | -$11.5K |
|
|
IAUX
2596
i-80 Gold Corp
IAUX
$1.4B
| $352K | ﹤0.01% |
231,998
+169,878
| +273% | +$290K |
|
2597
Kiniksa Pharmaceuticals
KNSA
$5.93B
| $352K | ﹤0.01% |
+7,302
| New | +$323K |
|
2598
Lantronix
LTRX
$266M
| $351K | ﹤0.01% |
67,010
| – | – |
|
2599
Larimar Therapeutics
LRMR
$432M
| $349K | ﹤0.01% |
77,636
+2,095
| +3% | +$8.37K |
|
2600
Cedar Fair
FUN
$1.67B
| $348K | ﹤0.01% |
19,618
+8,063
| +70% | +$136K |
|
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.