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 | |
|---|---|---|---|---|---|---|
|
AII
1851
American Integrity Insurance
AII
$449M
| $5.32M | ﹤0.01% |
282,447
+85,753
| +44% | +$1.55M |
|
1852
Newmark Group
NMRK
$2.68B
| $5.31M | ﹤0.01% |
351,329
-513,040
| -59% | -$7.83M |
|
1853
Morningstar
MORN
$7.41B
| $5.28M | ﹤0.01% |
33,811
-2,831
| -8% | -$492K |
|
1854
PLDT
PHI
$4.24B
| $5.26M | ﹤0.01% |
300,116
+27,999
| +10% | +$542K |
|
1855
Quaker Houghton
KWR
$2.91B
| $5.24M | ﹤0.01% |
32,997
-1,250
| -4% | -$176K |
|
1856
Darling Ingredients
DAR
$10B
| $5.23M | ﹤0.01% |
95,784
+32,184
| +51% | +$1.92M |
|
1857
DigitalBridge
DBRG
$2.95B
| $5.22M | ﹤0.01% |
331,020
+9,905
| +3% | +$155K |
|
1858
Shoals Technologies Group
SHLS
$1.4B
| $5.21M | ﹤0.01% |
526,219
-659,300
| -56% | -$5.99M |
|
1859
Inter&Co
INTR
$2.23B
| $5.2M | ﹤0.01% |
958,041
+134,223
| +16% | +$902K |
|
1860
iShares Russell 2000 ETF
IWM
$82.2B
| $5.2M | ﹤0.01% |
17,300
-9,100
| -34% | -$2.56M |
|
1861
Group 1 Automotive
GPI
$3.17B
| $5.2M | ﹤0.01% |
17,842
+7,946
| +80% | +$2.6M |
|
1862
Frontline
FRO
$8.81B
| $5.19M | ﹤0.01% |
149,180
+11,496
| +8% | +$422K |
|
1863
Pinterest
PINS
$13B
| $5.18M | ﹤0.01% |
246,345
-144,169
| -37% | -$2.9M |
|
1864
Titan International
TWI
$450M
| $5.18M | ﹤0.01% |
671,682
-408,795
| -38% | -$3.15M |
|
1865
Meridian
MRBK
$238M
| $5.17M | ﹤0.01% |
258,339
+65,657
| +34% | +$1.24M |
|
1866
GlobalFoundries
GFS
$29.2B
| $5.16M | ﹤0.01% |
62,568
+31,924
| +104% | +$2.23M |
|
1867
Allient
ALNT
$1.94B
| $5.14M | ﹤0.01% |
49,925
+613
| +1% | +$47.3K |
|
1868
Ibotta
IBTA
$722M
| $5.14M | ﹤0.01% |
+150,347
| New | +$5.02M |
|
1869
AutoZone
AZO
$49.7B
| $5.05M | ﹤0.01% |
1,579
+4
| +0.3% | +$13.3K |
|
1870
Watsco Inc
WSO
$12.8B
| $5.04M | ﹤0.01% |
12,100
+653
| +6% | +$262K |
|
1871
Zumiez
ZUMZ
$318M
| $5.04M | ﹤0.01% |
283,230
+139,800
| +97% | +$3.12M |
|
1872
LiveRamp
RAMP
$2.3B
| $5.04M | ﹤0.01% |
133,841
-14,685
| -10% | -$484K |
|
1873
MarketAxess Holdings
MKTX
$5.72B
| $5.03M | ﹤0.01% |
44,363
+28,171
| +174% | +$4.01M |
|
1874
Super Micro Computer
SMCI
$24.3B
| $5.03M | ﹤0.01% |
171,478
+4,629
| +3% | +$147K |
|
1875
Shake Shack
SHAK
$2.94B
| $5.03M | ﹤0.01% |
89,753
+50,313
| +128% | +$3.79M |
|
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.