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 | |
|---|---|---|---|---|---|---|
1376
CME Group
CME
$94.4B
| $16.4M | 0.01% |
74,055
+5,035
| +7% | +$1.39M |
|
|
AXIA
1377
DELISTED
AXIA Energia
AXIA
| $16.3M | 0.01% |
1,547,353
+8,693
| +0.6% | +$98.8K |
|
1378
Caleres
CAL
$457M
| $16.3M | 0.01% |
1,319,034
+111,486
| +9% | +$1.45M |
|
1379
Ennis
EBF
$553M
| $16.3M | 0.01% |
767,502
-108,272
| -12% | -$2.25M |
|
1380
Maplebear
CART
$11.1B
| $16.2M | 0.01% |
342,272
-172,737
| -34% | -$7.22M |
|
1381
CarGurus
CARG
$3.23B
| $16M | 0.01% |
468,534
+70,300
| +18% | +$2.28M |
|
1382
Aspen Aerogels
ASPN
$510M
| $15.9M | 0.01% |
2,510,042
+1,262,259
| +101% | +$6.19M |
|
1383
AB InBev
BUD
$156B
| $15.9M | 0.01% |
192,463
+20,286
| +12% | +$1.6M |
|
1384
Miller Industries
MLR
$629M
| $15.8M | 0.01% |
309,465
+234,755
| +314% | +$11.3M |
|
|
NFBK
1385
DELISTED
Northfield Bancorp
NFBK
| $15.8M | 0.01% |
1,070,028
+209,021
| +24% | +$2.96M |
|
1386
Ambev
ABEV
$43.9B
| $15.7M | 0.01% |
5,000,187
+325,214
| +7% | +$1.02M |
|
1387
Popular Inc
BPOP
$11.2B
| $15.7M | 0.01% |
95,406
-252,673
| -73% | -$38.1M |
|
1388
ACNB Corp
ACNB
$658M
| $15.6M | 0.01% |
263,329
+79,709
| +43% | +$4.26M |
|
1389
Unity Bancorp
UNTY
$614M
| $15.6M | 0.01% |
265,764
+35,778
| +16% | +$1.95M |
|
1390
Nature's Sunshine
NATR
$278M
| $15.6M | 0.01% |
714,829
+140,004
| +24% | +$3.27M |
|
1391
IMAX
IMAX
$2.79B
| $15.6M | 0.01% |
390,778
-334,853
| -46% | -$12.8M |
|
1392
IBEX
IBEX
$478M
| $15.5M | 0.01% |
510,633
-170,141
| -25% | -$5.07M |
|
1393
KeyCorp
KEY
$24.4B
| $15.5M | 0.01% |
672,751
+143,181
| +27% | +$3.12M |
|
|
ECG
1394
Everus Construction Group
ECG
$7.17B
| $15.4M | 0.01% |
92,858
-108,469
| -54% | -$15.9M |
|
1395
W.R. Berkley
WRB
$25.9B
| $15.2M | 0.01% |
215,591
+32,008
| +17% | +$2.14M |
|
1396
ATN International
ATNI
$477M
| $15.2M | 0.01% |
573,643
+98,699
| +21% | +$2.68M |
|
1397
Sierra Bancorp
BSRR
$530M
| $15.2M | 0.01% |
372,676
+70,811
| +23% | +$2.67M |
|
1398
NRG Energy
NRG
$25.5B
| $15.1M | 0.01% |
103,662
-8,693
| -8% | -$1.25M |
|
1399
Avantis US Mid Cap Equity ETF
AVMC
$491M
| $15.1M | 0.01% |
187,798
+28,248
| +18% | +$2.19M |
|
1400
Axalta
AXTA
$7.95B
| $15.1M | 0.01% |
439,847
+204,973
| +87% | +$6.16M |
|
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.