Axcelis
ACLS
360 hedge funds and large institutions have $2.96B invested in Axcelis in 2025 Q3 according to their latest regulatory filings, with 74 funds opening new positions, 107 increasing their positions, 120 reducing their positions, and 38 closing their positions.
95% more first-time investments, than exits
New positions opened: 74 | Existing positions closed: 38
34% more capital invested
Capital invested by funds: $2.2B → $2.96B (+$758M)
10% more funds holding
Funds holding: 328 → 360 (+32)
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
1.46% less ownership
Funds ownership: 98.25% → 96.79% (-1.5%)
11% less repeat investments, than reductions
Existing positions increased: 107 | Existing positions reduced: 120
12% less call options, than puts
Call options by funds: $30.2M | Put options by funds: $34.2M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
LSV Asset Management
Chicago,
Illinois
|
+$25.4M |
| 2 |
Invesco
Atlanta,
Georgia
|
+$19.9M |
| 3 |
Fidelity Investments
Boston,
Massachusetts
|
+$13.6M |
| 4 |
Millennium Management
New York
|
+$12.4M |
| 5 |
Janus Henderson Group
London,
United Kingdom
|
+$11.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BTW
Boston Trust Walden
Boston,
Massachusetts
|
-$31.1M |
| 2 |
American Century Companies
Kansas City,
Missouri
|
-$25.3M |
| 3 |
Bank of America
Charlotte,
North Carolina
|
-$23.6M |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$18.3M |
| 5 |
Voloridge Investment Management
Jupiter,
Florida
|
-$17.4M |
ACLS Hedge Fund Activity: Q3 2025 in Review
360 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Axcelis (ACLS) for Q3 2025, worth a combined $2.96B — up 34% from $2.2B a quarter earlier.
Buyers outnumbered sellers: 74 funds opened new ACLS positions and 38 closed out — a net gain of 36 holders — while 107 added to existing stakes and 120 trimmed.
The largest buyer was LSV Asset Management, opening a new position worth an estimated $25.4M. The largest seller was Boston Trust Walden, cutting an estimated $31.1M.
- 360 institutional investors held Axcelis (ACLS) as of Q3 2025, up from 328 in Q2 2025.
- Funds reported $2.96B of Axcelis stock for Q3 2025, up 34% quarter-over-quarter.
- 74 funds opened new Axcelis positions in Q3 2025 and 38 closed out, a net change of +36 holders.
- The largest Axcelis buyer in Q3 2025 was LSV Asset Management, an estimated $25.4M added.
- The largest Axcelis seller in Q3 2025 was Boston Trust Walden, an estimated $31.1M sold.
Based on aggregated 13F filings for Q3 2025.