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 |
Ciena
CIEN
|
+$671M |
| 2 |
Advanced Micro Devices
AMD
|
+$638M |
| 3 |
Eli Lilly
LLY
|
+$520M |
| 4 |
Corning
GLW
|
+$389M |
| 5 |
Cadence Design Systems
CDNS
|
+$371M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$1.74B |
| 2 |
Analog Devices
ADI
|
+$697M |
| 3 |
Broadcom
AVGO
|
+$679M |
| 4 |
Microsoft
MSFT
|
+$663M |
| 5 |
Costco
COST
|
+$357M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 27.76% |
| 2 | Financials | 14.09% |
| 3 | Industrials | 11.46% |
| 4 | Consumer Discretionary | 11.12% |
| 5 | Healthcare | 8.48% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
VRE
3001
DELISTED
Veris Residential
VRE
| – | – |
-19,914
| Closed | -$376K |
|
3002
Whirlpool
WHR
$2.81B
| – | – |
-49,175
| Closed | -$2.65M |
|
3003
WIX.com
WIX
$2.79B
| – | – |
-4,153
| Closed | -$374K |
|
3004
Weyerhaeuser
WY
$17.8B
| – | – |
-243,616
| Closed | -$5.95M |
|
3005
Zevia
ZVIA
$108M
| – | – |
-23,631
| Closed | -$27.6K |
|
3006
Zymeworks
ZYME
$1.75B
| – | – |
-70,851
| Closed | -$1.77M |
|
3007
Flutter Entertainment
FLUT
$16.9B
| – | – |
-422,738
| Closed | -$43.1M |
|
|
OKLO
3008
Oklo
OKLO
$8.52B
| – | – |
-254,218
| Closed | -$12.6M |
|
|
BWIN
3009
Baldwin Insurance Group
BWIN
$2.98B
| – | – |
-1,028,729
| Closed | -$22.6M |
|
|
ALMS
3010
Alumis Inc
ALMS
$3.2B
| – | – |
-102,456
| Closed | -$2.26M |
|
|
TXNM
3011
TXNM Energy Inc
TXNM
$5.91B
| – | – |
-101,074
| Closed | -$5.91M |
|
|
CBLL
3012
CeriBell Inc
CBLL
$874M
| – | – |
-11,371
| Closed | -$208K |
|
|
TSSI
3013
TSS Inc
TSSI
$347M
| – | – |
-10,554
| Closed | -$137K |
|
|
MAZE
3014
Maze Therapeutics
MAZE
$1.49B
| – | – |
-9,635
| Closed | -$288K |
|
|
NAGE
3015
Niagen Bioscience
NAGE
$242M
| – | – |
-74,490
| Closed | -$329K |
|
|
FIG
3016
Figma
FIG
$12.6B
| – | – |
-18,240
| Closed | -$386K |
|
Similar funds
American Century Companies's Q2 2026 Portfolio in Review
As of Q2 2026, American Century Companies held 3,021 positions worth $226B, up 16% from $194B the previous quarter. Its ten largest holdings account for 22% of the portfolio.
American Century Companies's Q2 2026 filing shows 193 new, 1,743 increased, 891 reduced and 137 closed positions. Its largest new stake was OceanaGold Corp: 6,764,717 shares worth $170M. The largest sale was Apple, an estimated $1.74B.
By sector, the portfolio is most concentrated in Technology at 28% of assets, up from 25% a quarter earlier, followed by Financials and Industrials.
- American Century Companies's largest Q2 2026 buy was OceanaGold Corp: 6,764,717 shares worth $170M.
- American Century Companies added most to Ciena in Q2 2026, an estimated $671M increase.
- American Century Companies's biggest Q2 2026 reduction was Apple, cutting an estimated $1.74B.
- American Century Companies fully exited Air Lease Corp in Q2 2026, selling an estimated $182M.
- American Century Companies's ten largest holdings make up 22% of its $226B portfolio in Q2 2026.
- American Century Companies opened 193 new positions and closed 137 in Q2 2026.
- American Century Companies's portfolio value rose 16% quarter-over-quarter to $226B.
Based on American Century Companies's 13F filing for Q2 2026, filed 12 Aug 2026.