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 | |
|---|---|---|---|---|---|---|
2176
Churchill Downs
CHDN
$6.17B
| $2.1M | ﹤0.01% |
23,441
-4,841
| -17% | -$434K |
|
2177
Semtech
SMTC
$13B
| $2.09M | ﹤0.01% |
12,919
-252
| -2% | -$32.9K |
|
2178
CorVel
CRVL
$3.17B
| $2.09M | ﹤0.01% |
33,444
+11,512
| +52% | +$671K |
|
2179
iShares MSCI EAFE Small-Cap ETF
SCZ
$13.6B
| $2.09M | ﹤0.01% |
25,369
-56,146
| -69% | -$4.7M |
|
2180
Immersion
IMMR
$247M
| $2.09M | ﹤0.01% |
308,003
+234,380
| +318% | +$1.48M |
|
2181
Equitable Holdings
EQH
$14.1B
| $2.08M | ﹤0.01% |
47,504
+137
| +0.3% | +$5.73K |
|
2182
MiMedx Group
MDXG
$624M
| $2.07M | ﹤0.01% |
538,392
+155,568
| +41% | +$568K |
|
2183
Marcus & Millichap
MMI
$1.18B
| $2.07M | ﹤0.01% |
66,369
-2,860
| -4% | -$82K |
|
2184
Franklin Covey
FC
$234M
| $2.07M | ﹤0.01% |
84,317
-31,870
| -27% | -$726K |
|
2185
Viper Energy
VNOM
$15.2B
| $2.06M | ﹤0.01% |
48,623
+6,523
| +15% | +$301K |
|
2186
Equifax
EFX
$21.2B
| $2.06M | ﹤0.01% |
12,949
-4,602
| -26% | -$784K |
|
2187
Farmers National Banc Corp
FMNB
$957M
| $2.05M | ﹤0.01% |
140,202
-101,257
| -42% | -$1.43M |
|
|
SEPN
2188
Septerna Inc
SEPN
$2.25B
| $2.04M | ﹤0.01% |
60,973
-317
| -0.5% | -$8.99K |
|
2189
Vicor
VICR
$10.4B
| $2.04M | ﹤0.01% |
5,360
-22,498
| -81% | -$6.14M |
|
2190
Mesa Laboratories
MLAB
$631M
| $2.03M | ﹤0.01% |
20,364
+6,991
| +52% | +$704K |
|
2191
Bio-Rad Laboratories Class A
BIO
$9.68B
| $2.01M | ﹤0.01% |
6,832
+421
| +7% | +$119K |
|
2192
Charles River Laboratories
CRL
$13.6B
| $1.99M | ﹤0.01% |
8,784
-364
| -4% | -$64.8K |
|
2193
NeoGenomics
NEO
$2.11B
| $1.99M | ﹤0.01% |
136,200
+8,957
| +7% | +$86.4K |
|
2194
Walker & Dunlop
WD
$1.45B
| $1.99M | ﹤0.01% |
36,309
+8,050
| +28% | +$408K |
|
2195
Enlight Renewable Energy
ENLT
$11.9B
| $1.98M | ﹤0.01% |
22,270
+10,575
| +90% | +$932K |
|
2196
BOK Financial
BOKF
$8.8B
| $1.98M | ﹤0.01% |
14,258
+1,347
| +10% | +$178K |
|
2197
Innovative Solutions & Support
ISSC
$360M
| $1.97M | ﹤0.01% |
109,493
-118,559
| -52% | -$2.29M |
|
2198
Cipher Digital
CIFR
$7.42B
| $1.96M | ﹤0.01% |
80,008
-422,690
| -84% | -$8.92M |
|
2199
Limbach Holdings
LMB
$536M
| $1.95M | ﹤0.01% |
25,357
+4,394
| +21% | +$365K |
|
2200
NACCO Industries
NC
$317M
| $1.95M | ﹤0.01% |
38,982
-206
| -0.5% | -$10.3K |
|
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.