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 | |
|---|---|---|---|---|---|---|
201
SouthState Bank Corp
SSB
$9.94B
| $208M | 0.09% |
2,085,755
-22,835
| -1% | -$2.2M |
|
202
Fastenal
FAST
$57.9B
| $208M | 0.09% |
4,322,701
+314,445
| +8% | +$14.3M |
|
203
Spotify
SPOT
$105B
| $208M | 0.09% |
452,131
-162,143
| -26% | -$77.3M |
|
204
TE Connectivity
TEL
$63.3B
| $208M | 0.09% |
1,029,293
+43,412
| +4% | +$9.25M |
|
205
MSC Industrial Direct
MSM
$6.77B
| $207M | 0.09% |
1,743,956
-869,007
| -33% | -$92.3M |
|
206
Alkermes
ALKS
$6.85B
| $207M | 0.09% |
3,954,239
-2,117,864
| -35% | -$82.7M |
|
207
T-Mobile US
TMUS
$177B
| $207M | 0.09% |
1,233,389
+565,435
| +85% | +$107M |
|
208
DexCom
DXCM
$32.7B
| $207M | 0.09% |
3,071,423
+126,413
| +4% | +$8.42M |
|
209
W.W. Grainger
GWW
$58.5B
| $205M | 0.09% |
150,899
+40,840
| +37% | +$50.3M |
|
210
Five Below
FIVE
$12.3B
| $205M | 0.09% |
1,139,293
-678,024
| -37% | -$146M |
|
211
IQVIA
IQV
$44.5B
| $205M | 0.09% |
1,059,526
+98,097
| +10% | +$17.1M |
|
212
Monolithic Power Systems
MPWR
$67.2B
| $204M | 0.09% |
147,212
-52,473
| -26% | -$78.8M |
|
213
MGIC Investment
MTG
$5.84B
| $203M | 0.09% |
7,201,461
+1,280,600
| +22% | +$34.1M |
|
214
Cal-Maine
CALM
$3.15B
| $203M | 0.09% |
2,520,562
+511,602
| +25% | +$39.5M |
|
215
Dynatrace
DT
$16.7B
| $203M | 0.09% |
4,617,939
-58,955
| -1% | -$2.3M |
|
216
Teledyne Technologies
TDY
$28.5B
| $198M | 0.09% |
296,938
+174,582
| +143% | +$110M |
|
217
United Airlines
UAL
$37B
| $197M | 0.09% |
1,451,914
+311,362
| +27% | +$32.3M |
|
218
RBC Bearings
RBC
$16B
| $195M | 0.09% |
302,102
+53,058
| +21% | +$31.6M |
|
219
Bread Financial
BFH
$3.95B
| $194M | 0.09% |
1,791,190
+159,569
| +10% | +$14.3M |
|
220
Newmont
NEM
$128B
| $193M | 0.09% |
2,070,577
-126,561
| -6% | -$13.8M |
|
221
Booking.com
BKNG
$123B
| $193M | 0.09% |
1,084,134
-119,616
| -10% | -$20.4M |
|
222
Radian Group
RDN
$4.37B
| $193M | 0.09% |
5,120,625
+536,112
| +12% | +$19M |
|
223
Coherent
COHR
$57.9B
| $193M | 0.09% |
488,753
+64,391
| +15% | +$22.8M |
|
224
NOV
NOV
$7.08B
| $192M | 0.09% |
10,367,359
+359,499
| +4% | +$7.16M |
|
225
Equinix
EQIX
$99.5B
| $192M | 0.08% |
184,404
-2,316
| -1% | -$2.48M |
|
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.