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 | |
|---|---|---|---|---|---|---|
526
Berkshire Hathaway Class A
BRK.A
$1.12T
| $80.4M | 0.04% |
112
-18
| -14% | -$13.3M |
|
527
Guardant Health
GH
$22.6B
| $80.1M | 0.04% |
867,537
+787,934
| +990% | +$79.1M |
|
528
The Greenbrier Companies
GBX
$1.46B
| $80.1M | 0.04% |
1,521,797
+153,483
| +11% | +$8.11M |
|
529
Cathay General Bancorp
CATY
$4.24B
| $80.1M | 0.04% |
1,606,886
+259,212
| +19% | +$13.1M |
|
530
Franco-Nevada
FNV
$46B
| $80.1M | 0.04% |
324,224
+3,412
| +1% | +$844K |
|
531
Williams-Sonoma
WSM
$29.6B
| $79.8M | 0.04% |
437,708
+3,429
| +0.8% | +$685K |
|
532
Southwest Airlines
LUV
$23B
| $79.5M | 0.04% |
2,115,353
-1,011,526
| -32% | -$45.7M |
|
533
Werner Enterprises
WERN
$2.25B
| $79M | 0.04% |
2,686,766
+245,751
| +10% | +$7.97M |
|
534
UBS Group
UBS
$176B
| $79M | 0.04% |
2,021,616
+233,933
| +13% | +$10M |
|
535
Mueller Water Products
MWA
$4.16B
| $79M | 0.04% |
2,872,958
+796,479
| +38% | +$22.1M |
|
536
Atlantic Union Bankshares
AUB
$5.97B
| $78.8M | 0.04% |
2,204,736
-37,112
| -2% | -$1.4M |
|
537
Dollar Tree
DLTR
$25.2B
| $78.6M | 0.04% |
718,143
-47,955
| -6% | -$5.86M |
|
538
Howard Hughes
HHH
$4.03B
| $78.4M | 0.04% |
1,239,333
+285,855
| +30% | +$21.4M |
|
539
CareTrust REIT
CTRE
$9.74B
| $78.3M | 0.04% |
2,137,548
+612,104
| +40% | +$23.5M |
|
540
Expro Ltd
XPRO
$1.91B
| $78.1M | 0.04% |
4,483,827
-788,936
| -15% | -$13M |
|
541
Graphic Packaging
GPK
$3.58B
| $77.5M | 0.04% |
7,800,229
-11,436,114
| -59% | -$144M |
|
542
Ameris Bancorp
ABCB
$5.89B
| $77.4M | 0.04% |
992,950
-164,274
| -14% | -$13M |
|
543
Baytex Energy
BTE
$2.92B
| $77.2M | 0.04% |
17,268,220
+2,074,337
| +14% | +$7.65M |
|
544
Thor Industries
THO
$4.14B
| $76.9M | 0.04% |
962,996
-249,384
| -21% | -$25.4M |
|
545
Customers Bancorp
CUBI
$2.77B
| $76.7M | 0.04% |
1,105,548
+143,118
| +15% | +$10.4M |
|
|
OPLN
546
Openlane
OPLN
$4.54B
| $76.7M | 0.04% |
2,630,308
-491,348
| -16% | -$14.2M |
|
547
Vanguard Intermediate-Term Corporate Bond ETF
VCIT
$67.8B
| $76.6M | 0.04% |
925,300
+121,000
| +15% | +$10.1M |
|
548
SiTime
SITM
$21.8B
| $76.4M | 0.04% |
221,196
-77,141
| -26% | -$28.4M |
|
549
Compañía de Minas Buenaventura
BVN
$8.67B
| $76.3M | 0.04% |
2,118,059
+63,003
| +3% | +$2.28M |
|
550
MACOM Technology Solutions
MTSI
$23.7B
| $76.2M | 0.04% |
343,287
-169,951
| -33% | -$37.9M |
|
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.