Amtech Systems
ASYS
112 hedge funds and large institutions have $242M invested in Amtech Systems in 2026 Q2 according to their latest regulatory filings, with 46 funds opening new positions, 39 increasing their positions, 20 reducing their positions, and 12 closing their positions.
283% more first-time investments, than exits
New positions opened: 46 | Existing positions closed: 12
247% more call options, than puts
Call options by funds: $4.43M | Put options by funds: $1.28M
176% more capital invested
Capital invested by funds: $87.4M → $242M (+$154M)
95% more repeat investments, than reductions
Existing positions increased: 39 | Existing positions reduced: 20
42% more funds holding
Funds holding: 79 → 112 (+33)
20% more ownership
Funds ownership: 51.87% → 71.86% (+20%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ACM
AIGH Capital Management
Baltimore,
Maryland
|
+$23.8M |
| 2 |
AIC
AWM Investment Company
New York
|
+$13.1M |
| 3 |
BlackRock
New York
|
+$11.7M |
| 4 |
RP
Regal Partners
Sydney, NSW,
Australia
|
+$4.51M |
| 5 |
Geode Capital Management
Boston,
Massachusetts
|
+$2.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$6.89M |
| 2 |
PRCP
Pacific Ridge Capital Partners
Lake Oswego,
Oregon
|
-$4.73M |
| 3 |
Dimensional Fund Advisors
Austin,
Texas
|
-$1.95M |
| 4 |
Jane Street
New York
|
-$1.74M |
| 5 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$1.73M |
ASYS Hedge Fund Activity: Q2 2026 in Review
112 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in Amtech Systems (ASYS) for Q2 2026, worth a combined $242M — up 176% from $87.4M a quarter earlier.
Buyers outnumbered sellers: 46 funds opened new ASYS positions and 12 closed out — a net gain of 34 holders — while 39 added to existing stakes and 20 trimmed.
The largest buyer was AIGH Capital Management, opening a new position worth an estimated $23.8M. The largest seller was Millennium Management, cutting an estimated $6.89M.
- 112 institutional investors held Amtech Systems (ASYS) as of Q2 2026, up from 79 in Q1 2026.
- Funds reported $242M of Amtech Systems stock for Q2 2026, up 176% quarter-over-quarter.
- 46 funds opened new Amtech Systems positions in Q2 2026 and 12 closed out, a net change of +34 holders.
- The largest Amtech Systems buyer in Q2 2026 was AIGH Capital Management, an estimated $23.8M added.
- The largest Amtech Systems seller in Q2 2026 was Millennium Management, an estimated $6.89M sold.
Based on aggregated 13F filings for Q2 2026.