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 | 11.11% |
| 5 | Healthcare | 8.48% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
BKV
1301
BKV Corp
BKV
$2.39B
| $19.3M | 0.01% |
704,707
+389,815
| +124% | +$10.7M |
|
1302
Gildan
GIL
$7.59B
| $19.1M | 0.01% |
371,101
+24,182
| +7% | +$1.39M |
|
1303
Mission Produce
AVO
$1.15B
| $19.1M | 0.01% |
1,620,381
+307,252
| +23% | +$3.88M |
|
1304
Teck Resources
TECK
$32.4B
| $19.1M | 0.01% |
320,589
+25,189
| +9% | +$1.54M |
|
1305
Neurocrine Biosciences
NBIX
$14.1B
| $19.1M | 0.01% |
113,099
-37,199
| -25% | -$5.52M |
|
1306
Autodesk
ADSK
$43.8B
| $19M | 0.01% |
97,904
+6,908
| +8% | +$1.58M |
|
1307
Broadstone Net Lease
BNL
$3.63B
| $19M | 0.01% |
920,836
-420,444
| -31% | -$8.48M |
|
1308
Dillards
DDS
$10.4B
| $19M | 0.01% |
35,977
+6,628
| +23% | +$3.83M |
|
1309
Build-A-Bear
BBW
$317M
| $19M | 0.01% |
620,759
+62,683
| +11% | +$2.25M |
|
1310
Crown Castle
CCI
$28.9B
| $19M | 0.01% |
250,824
+69,394
| +38% | +$6.1M |
|
1311
Banco Santander Chile
BSAC
$16.2B
| $19M | 0.01% |
576,745
+46,592
| +9% | +$1.51M |
|
1312
iShares 0-5 Year High Yield Corporate Bond ETF
SHYG
$7.71B
| $18.8M | 0.01% |
444,098
-100,217
| -18% | -$4.25M |
|
|
ASEC
1313
American Century Securitized Credit ETF
ASEC
$19.7M
| $18.8M | 0.01% |
+375,000
| New | +$18.8M |
|
1314
Puma Biotechnology
PBYI
$504M
| $18.8M | 0.01% |
2,319,996
+403,650
| +21% | +$2.96M |
|
1315
Fox Class B
FOX
$23.8B
| $18.8M | 0.01% |
400,545
+29,560
| +8% | +$1.64M |
|
1316
Huntington Bancshares
HBAN
$31.6B
| $18.6M | 0.01% |
1,051,177
-179,344
| -15% | -$2.96M |
|
1317
Mercado Libre
MELI
$88.9B
| $18.6M | 0.01% |
10,941
-32,148
| -75% | -$54.9M |
|
|
CATF
1318
American Century California Municipal Bond ETF
CATF
$85.5M
| $18.4M | 0.01% |
366,900
| – | – |
|
1319
Qfin Holdings
QFIN
$888M
| $18.4M | 0.01% |
1,164,859
+37,730
| +3% | +$530K |
|
1320
Central Garden & Pet Co
CENT
$2.47B
| $18.4M | 0.01% |
413,959
+68,138
| +20% | +$2.67M |
|
1321
Martin Marietta Materials
MLM
$34.4B
| $18.3M | 0.01% |
31,795
-4,688
| -13% | -$2.78M |
|
1322
Denali Therapeutics
DNLI
$3.26B
| $18.3M | 0.01% |
712,526
-223,166
| -24% | -$4.59M |
|
1323
Insulet
PODD
$9.44B
| $18.2M | 0.01% |
119,351
-1,472,059
| -93% | -$245M |
|
1324
Malibu Boats
MBUU
$474M
| $18.2M | 0.01% |
662,201
+80,268
| +14% | +$2.14M |
|
1325
Upbound Group
UPBD
$938M
| $18.1M | 0.01% |
853,179
+510,230
| +149% | +$9.54M |
|
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.