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 | |
|---|---|---|---|---|---|---|
826
Nabors Industries
NBR
$1.24B
| $53.8M | 0.02% |
640,469
+134,569
| +27% | +$12.5M |
|
827
Primerica
PRI
$8.48B
| $53.8M | 0.02% |
189,267
+50,626
| +37% | +$13.8M |
|
828
ENI
E
$78.5B
| $53.7M | 0.02% |
1,145,618
+266,383
| +30% | +$14.3M |
|
829
Scholar Rock
SRRK
$5.92B
| $53.6M | 0.02% |
975,197
+268,096
| +38% | +$13M |
|
830
Ferguson
FERG
$43.1B
| $53.6M | 0.02% |
225,672
+38,545
| +21% | +$9.3M |
|
831
Xenon Pharmaceuticals
XENE
$3.58B
| $53.4M | 0.02% |
884,319
+205,005
| +30% | +$11.4M |
|
832
Madrigal Pharmaceuticals
MDGL
$11.9B
| $53.4M | 0.02% |
99,396
-64,537
| -39% | -$33.1M |
|
833
Turning Point Brands
TPB
$1.24B
| $53.2M | 0.02% |
627,457
+261,981
| +72% | +$21.7M |
|
834
Stepan Co
SCL
$1.47B
| $52.9M | 0.02% |
948,532
+216,411
| +30% | +$11.3M |
|
835
Harmonic Inc
HLIT
$1.2B
| $52.5M | 0.02% |
3,215,450
+2,001,215
| +165% | +$25.5M |
|
836
Eagle Materials
EXP
$5.48B
| $51.9M | 0.02% |
230,491
+71,343
| +45% | +$14.9M |
|
837
WD-40
WDFC
$2.67B
| $51.8M | 0.02% |
212,756
+193,880
| +1,027% | +$41.5M |
|
|
CNR
838
Core Natural Resources Inc
CNR
$4.42B
| $51.8M | 0.02% |
647,784
+128,751
| +25% | +$11.4M |
|
839
TriMas Corp
TRS
$1.4B
| $51.8M | 0.02% |
1,150,388
+919,944
| +399% | +$36.6M |
|
840
CG Oncology
CGON
$5.95B
| $51.6M | 0.02% |
726,154
+721,247
| +14,698% | +$47.1M |
|
841
XP
XP
$10.4B
| $51.5M | 0.02% |
3,168,108
+186,068
| +6% | +$3.32M |
|
|
CHYM
842
Chime Financial
CHYM
$10.1B
| $51.4M | 0.02% |
2,508,473
+498,942
| +25% | +$9.68M |
|
843
TETRA Technologies
TTI
$900M
| $51.3M | 0.02% |
4,528,248
+174,100
| +4% | +$1.71M |
|
|
FLOC
844
Flowco Holdings
FLOC
$842M
| $51.2M | 0.02% |
2,397,818
-89,546
| -4% | -$2.14M |
|
845
Louisiana-Pacific
LPX
$4.66B
| $51.1M | 0.02% |
649,516
-701,955
| -52% | -$51.8M |
|
846
Cemex
CX
$14B
| $51M | 0.02% |
4,253,697
+266,077
| +7% | +$3.3M |
|
847
Mueller Industries
MLI
$13.4B
| $51M | 0.02% |
829,846
-840,780
| -50% | -$55.1M |
|
848
Autoliv
ALV
$8.61B
| $50.9M | 0.02% |
438,422
+92,138
| +27% | +$11M |
|
849
Manulife Financial
MFC
$72.7B
| $50.9M | 0.02% |
1,255,444
+158,610
| +14% | +$6.14M |
|
850
EPR Properties
EPR
$4.35B
| $50.9M | 0.02% |
876,667
-59,320
| -6% | -$3.37M |
|
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.