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 | |
|---|---|---|---|---|---|---|
151
AstraZeneca
AZN
$258B
| $250M | 0.11% |
1,320,358
-486,668
| -27% | -$91.5M |
|
152
Archrock
AROC
$5.34B
| $250M | 0.11% |
6,139,818
+217,702
| +4% | +$8.01M |
|
153
GATX Corp
GATX
$6.49B
| $247M | 0.11% |
1,395,456
+134,086
| +11% | +$24.4M |
|
154
CenterPoint Energy
CNP
$24.3B
| $245M | 0.11% |
5,570,939
-109,127
| -2% | -$4.68M |
|
155
Curtiss-Wright
CW
$19.9B
| $245M | 0.11% |
322,858
-67,828
| -17% | -$49.7M |
|
156
General Motors
GM
$72.5B
| $244M | 0.11% |
3,171,765
+679,600
| +27% | +$53.4M |
|
157
Vishay Intertechnology
VSH
$4.99B
| $243M | 0.11% |
4,514,575
+768,906
| +21% | +$31.5M |
|
158
Cintas
CTAS
$79.9B
| $243M | 0.11% |
1,426,577
-158,872
| -10% | -$27.5M |
|
159
Delta Air Lines
DAL
$55.9B
| $242M | 0.11% |
2,586,645
+538,545
| +26% | +$40.7M |
|
160
Ametek
AME
$57.5B
| $241M | 0.11% |
996,400
+63,770
| +7% | +$14.7M |
|
161
ASE Group
ASX
$115B
| $241M | 0.11% |
5,332,790
-494,623
| -8% | -$16.6M |
|
162
Mondelez International
MDLZ
$76.9B
| $240M | 0.11% |
4,151,094
-1,739,976
| -30% | -$105M |
|
163
Weatherford International
WFRD
$6.08B
| $239M | 0.11% |
2,933,502
+959,049
| +49% | +$97.3M |
|
164
Devon Energy
DVN
$51.8B
| $239M | 0.11% |
5,786,003
+3,242,747
| +128% | +$150M |
|
165
Murphy Oil
MUR
$5.21B
| $238M | 0.11% |
7,316,708
+590,080
| +9% | +$22.6M |
|
166
Ecolab
ECL
$78.3B
| $238M | 0.11% |
853,805
-328,753
| -28% | -$86.6M |
|
167
International Bancshares
IBOC
$4.35B
| $238M | 0.11% |
3,128,416
-100,162
| -3% | -$7.27M |
|
168
Labcorp
LH
$25.1B
| $237M | 0.1% |
845,023
+34,218
| +4% | +$9M |
|
169
Zimmer Biomet
ZBH
$17.4B
| $236M | 0.1% |
2,744,463
-1,218,743
| -31% | -$107M |
|
170
RTX Corp
RTX
$255B
| $235M | 0.1% |
1,238,913
+67,408
| +6% | +$12.4M |
|
171
Xcel Energy
XEL
$43.6B
| $234M | 0.1% |
2,914,185
-52,554
| -2% | -$4.19M |
|
172
SM Energy
SM
$8.07B
| $233M | 0.1% |
8,935,683
+12,059
| +0.1% | +$362K |
|
173
AXIS Capital
AXS
$6.89B
| $231M | 0.1% |
2,150,320
-29,081
| -1% | -$2.92M |
|
174
Hanover Insurance
THG
$7.57B
| $231M | 0.1% |
1,078,105
+75,578
| +8% | +$14.3M |
|
|
AMRZ
175
Amrize Ltd
AMRZ
$20.9B
| $230M | 0.1% |
4,321,831
+645,183
| +18% | +$34.9M |
|
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.