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 | |
|---|---|---|---|---|---|---|
2351
Arvinas
ARVN
$585M
| $906K | ﹤0.01% |
85,492
+31,993
| +60% | +$396K |
|
2352
American Water Works
AWK
$26.4B
| $905K | ﹤0.01% |
6,647
-726,607
| -99% | -$96M |
|
|
GTY
2353
Getty Realty Corp
GTY
$2.03B
| $902K | ﹤0.01% |
28,363
+2,128
| +8% | +$66.5K |
|
2354
Atea Pharmaceuticals
AVIR
$407M
| $900K | ﹤0.01% |
167,230
-3,096
| -2% | -$14.2K |
|
2355
Willis Lease Finance
WLFC
$1.25B
| $900K | ﹤0.01% |
15,852
-3,363
| -18% | -$202K |
|
2356
News Corp Class B
NWS
$17.5B
| $896K | ﹤0.01% |
31,442
-864
| -3% | -$24.4K |
|
2357
Global E Online
GLBE
$6.99B
| $888K | ﹤0.01% |
28,800
+6,795
| +31% | +$239K |
|
2358
LendingTree
TREE
$449M
| $882K | ﹤0.01% |
20,578
-10,587
| -34% | -$506K |
|
2359
NVE Corp
NVEC
$578M
| $880K | ﹤0.01% |
13,440
-186
| -1% | -$12.5K |
|
|
UBFO
2360
DELISTED
United Security Bancshares
UBFO
| $876K | ﹤0.01% |
83,365
-1,307
| -2% | -$13.7K |
|
2361
GameStop
GME
$8.62B
| $871K | ﹤0.01% |
37,820
-1,151
| -3% | -$26.7K |
|
2362
Fresenius Medical Care
FMS
$12.9B
| $871K | ﹤0.01% |
38,613
+2,725
| +8% | +$62.6K |
|
2363
Clean Energy Fuels
CLNE
$346M
| $863K | ﹤0.01% |
347,949
+175,926
| +102% | +$410K |
|
2364
Bassett Furniture
BSET
$172M
| $862K | ﹤0.01% |
60,933
-457
| -0.7% | -$7K |
|
2365
Fulgent Genetics
FLGT
$526M
| $858K | ﹤0.01% |
53,941
-790
| -1% | -$17.1K |
|
2366
Sinclair Inc
SBGI
$1.01B
| $850K | ﹤0.01% |
65,724
+6,938
| +12% | +$101K |
|
2367
Bausch Health
BHC
$2.42B
| $849K | ﹤0.01% |
157,050
+115,790
| +281% | +$693K |
|
2368
BlackSky Technology
BKSY
$1.22B
| $846K | ﹤0.01% |
33,627
-10,355
| -24% | -$247K |
|
2369
Solid Power
SLDP
$532M
| $837K | ﹤0.01% |
278,956
+33,137
| +13% | +$134K |
|
2370
ARKO Corp
ARKO
$555M
| $832K | ﹤0.01% |
149,709
-16,988
| -10% | -$94.7K |
|
2371
Acadia Realty Trust
AKR
$2.78B
| $832K | ﹤0.01% |
43,496
+1,692
| +4% | +$34.5K |
|
|
GTLS
2372
DELISTED
Chart Industries
GTLS
| $831K | ﹤0.01% |
4,021
+1,790
| +80% | +$371K |
|
|
TBN
2373
Tamboran Resources
TBN
$1.25B
| $829K | ﹤0.01% |
+16,590
| New | +$499K |
|
2374
AeroVironment
AVAV
$9.53B
| $824K | ﹤0.01% |
4,502
+1,315
| +41% | +$346K |
|
|
ISBA
2375
Isabella Bank
ISBA
$310M
| $824K | ﹤0.01% |
+18,043
| New | +$876K |
|
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.