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 | |
|---|---|---|---|---|---|---|
1676
Factset
FDS
$9.89B
| $7.91M | ﹤0.01% |
34,378
+20,986
| +157% | +$4.82M |
|
1677
iShares Core S&P Mid-Cap ETF
IJH
$128B
| $7.88M | ﹤0.01% |
102,200
+13,200
| +15% | +$969K |
|
1678
Invitation Homes
INVH
$17.7B
| $7.86M | ﹤0.01% |
260,249
+19,490
| +8% | +$551K |
|
1679
Mid-America Apartment Communities
MAA
$15.4B
| $7.82M | ﹤0.01% |
56,254
+4,201
| +8% | +$548K |
|
1680
Otter Tail
OTTR
$3.87B
| $7.81M | ﹤0.01% |
86,785
+23,303
| +37% | +$2.06M |
|
1681
IDEAYA Biosciences
IDYA
$3.56B
| $7.8M | ﹤0.01% |
209,394
-32,114
| -13% | -$983K |
|
1682
Rogers Corp
ROG
$2.48B
| $7.78M | ﹤0.01% |
47,536
+4,272
| +10% | +$587K |
|
1683
Kimco Realty
KIM
$16.2B
| $7.78M | ﹤0.01% |
306,999
+32,605
| +12% | +$782K |
|
1684
Lazard
LAZ
$4.24B
| $7.76M | ﹤0.01% |
185,136
+76,077
| +70% | +$3.48M |
|
1685
Moderna
MRNA
$25.4B
| $7.76M | ﹤0.01% |
110,860
+34,173
| +45% | +$1.77M |
|
|
MOMO
1686
Hello Group
MOMO
$867M
| $7.72M | ﹤0.01% |
1,331,097
+153,890
| +13% | +$919K |
|
1687
Sotera Health
SHC
$5.39B
| $7.72M | ﹤0.01% |
434,862
+183,010
| +73% | +$2.88M |
|
1688
Huntington Ingalls Industries
HII
$12.9B
| $7.72M | ﹤0.01% |
27,574
+4,586
| +20% | +$1.53M |
|
1689
Mattel
MAT
$4.19B
| $7.7M | ﹤0.01% |
554,626
-35,844
| -6% | -$524K |
|
1690
Organon & Co
OGN
$3.59B
| $7.68M | ﹤0.01% |
567,310
+89,574
| +19% | +$1.07M |
|
1691
National Beverage
FIZZ
$2.9B
| $7.65M | ﹤0.01% |
245,182
+173,268
| +241% | +$6.04M |
|
1692
Strategy Inc
MSTR
$37.3B
| $7.62M | ﹤0.01% |
87,609
+45,775
| +109% | +$6.64M |
|
1693
CRISPR Therapeutics
CRSP
$5.22B
| $7.61M | ﹤0.01% |
139,462
+18,974
| +16% | +$1M |
|
1694
WillScot Mobile Mini Holdings
WSC
$4B
| $7.6M | ﹤0.01% |
263,339
+166,362
| +172% | +$4.02M |
|
1695
UFP Industries
UFPI
$5.06B
| $7.58M | ﹤0.01% |
83,492
+40,216
| +93% | +$3.5M |
|
1696
Sun Communities
SUI
$14.4B
| $7.53M | ﹤0.01% |
62,835
-262,361
| -81% | -$32.8M |
|
1697
Clean Harbors
CLH
$16.7B
| $7.5M | ﹤0.01% |
25,091
+2,175
| +9% | +$643K |
|
1698
Kraft Heinz
KHC
$29.1B
| $7.49M | ﹤0.01% |
317,079
+82,314
| +35% | +$1.9M |
|
1699
Supernus Pharmaceuticals
SUPN
$2.78B
| $7.45M | ﹤0.01% |
160,129
-896
| -0.6% | -$43K |
|
1700
Kingstone Companies
KINS
$284M
| $7.43M | ﹤0.01% |
390,632
+58,766
| +18% | +$947K |
|
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.