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 | |
|---|---|---|---|---|---|---|
2801
CS Disco
LAW
$282M
| $151K | ﹤0.01% |
39,857
-4,842
| -11% | -$18.8K |
|
2802
Black Diamond Therapeutics
BDTX
$108M
| $150K | ﹤0.01% |
81,311
-9,735
| -11% | -$23.8K |
|
2803
KVH Industries
KVHI
$134M
| $148K | ﹤0.01% |
+14,913
| New | +$143K |
|
2804
Valhi
VHI
$453M
| $147K | ﹤0.01% |
10,018
-2,188
| -18% | -$30.9K |
|
2805
Star Holdings Shares of Beneficial Interest
STHO
$99.4M
| $146K | ﹤0.01% |
15,965
| – | – |
|
2806
RxSight
RXST
$194M
| $143K | ﹤0.01% |
29,616
+5,396
| +22% | +$32.6K |
|
|
TE
2807
T1 Energy
TE
$1.11B
| $140K | ﹤0.01% |
+14,750
| New | +$105K |
|
2808
Compass
COMP
$7.2B
| $138K | ﹤0.01% |
11,224
-148,480
| -93% | -$1.24M |
|
2809
CPS Technologies
CPSH
$74.6M
| $136K | ﹤0.01% |
+24,594
| New | +$144K |
|
2810
Korro Bio
KRRO
$141M
| $134K | ﹤0.01% |
+10,153
| New | +$126K |
|
|
HTT
2811
High Templar Tech Ltd
HTT
$374M
| $131K | ﹤0.01% |
51,105
| – | – |
|
2812
Broadwind
BWEN
$100M
| $130K | ﹤0.01% |
+26,923
| New | +$89.2K |
|
2813
Camping World
CWH
$344M
| $130K | ﹤0.01% |
+17,039
| New | +$123K |
|
2814
Rezolute
RZLT
$376M
| $130K | ﹤0.01% |
+24,997
| New | +$92.8K |
|
2815
Arq
ARQ
$88.2M
| $128K | ﹤0.01% |
50,069
-15,048
| -23% | -$37.3K |
|
2816
Seer Inc
SEER
$106M
| $123K | ﹤0.01% |
73,815
| – | – |
|
|
ASM
2817
Avino Silver & Gold Mines
ASM
$1.01B
| $118K | ﹤0.01% |
18,568
-128,147
| -87% | -$865K |
|
2818
Gaotu Techedu
GOTU
$578M
| $117K | ﹤0.01% |
70,212
| – | – |
|
2819
Outset Medical
OM
$57.3M
| $116K | ﹤0.01% |
26,943
| – | – |
|
2820
Greenfire Resources
GFR
$1.41B
| $111K | ﹤0.01% |
19,646
-5,925
| -23% | -$35.2K |
|
|
FRMI
2821
Fermi Inc
FRMI
$2.89B
| $109K | ﹤0.01% |
11,850
+810
| +7% | +$5.12K |
|
|
OKUR
2822
OnKure Therapeutics
OKUR
$117M
| $105K | ﹤0.01% |
+23,077
| New | +$99K |
|
2823
Xerox
XRX
$436M
| $103K | ﹤0.01% |
33,048
-87,965
| -73% | -$220K |
|
|
ISOU
2824
IsoEnergy Ltd
ISOU
$610M
| $103K | ﹤0.01% |
+10,373
| New | +$116K |
|
2825
Dakota Gold
DC
$887M
| $103K | ﹤0.01% |
+24,214
| New | +$131K |
|
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.