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Amtech Systems

79 hedge funds and large institutions have $87.4M invested in Amtech Systems in 2026 Q1 according to their latest regulatory filings, with 23 funds opening new positions, 28 increasing their positions, 21 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

188% more first-time investments, than exits

New positions opened: 23 | Existing positions closed: 8

185% more call options, than puts

Call options by funds: $522K | Put options by funds: $183K

33% more repeat investments, than reductions

Existing positions increased: 28 | Existing positions reduced: 21

22% more funds holding

Funds holding: 6579 (+14)

13% more capital invested

Capital invested by funds: $77.2M → $87.4M (+$10.2M)

9.04% more ownership

Funds ownership: 42.83%51.87% (+9%)

Holders
79
Holders Change
+14
Holders Change %
+21.54%
% of All Funds
0.97%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
23
Increased
28
Reduced
21
Closed
8
Calls
$522K
Puts
$183K
Net Calls
+$339K
Net Calls Change
-$661K
Name Holding Trade Value Shares
Change
Change in
Stake
First Eagle Investment Management
1
First Eagle Investment Management
New York
$9.72M +$1.32M +98,107 +13%
VCM
2
Vanguard Capital Management
Pennsylvania
$6.59M +$7.6M +564,327 New
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$6.18M -$1.92M -142,756 -21%
Acadian Asset Management
4
Acadian Asset Management
Massachusetts
$5.45M +$3.11M +230,829 +98%
Millennium Management
5
Millennium Management
New York
$5.3M +$5.8M +430,849 +1,894%
Marshall Wace
6
Marshall Wace
United Kingdom
$4.87M +$868K +64,452 +18%
PRCP
7
Pacific Ridge Capital Partners
Oregon
$4.73M -$3M -222,440 -35%
Arrowstreet Capital
8
Arrowstreet Capital
Massachusetts
$4.27M +$247K +18,354 +5%
Jane Street
9
Jane Street
New York
$3.98M +$204K +15,125 +5%
Two Sigma Investments
10
Two Sigma Investments
New York
$3.12M +$2.09M +155,419 +139%
Connor, Clark & Lunn Investment Management (CC&L)
11
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$2.03M +$1.45M +107,282 +160%
TI
12
Trexquant Investment
Connecticut
$2.03M +$1.14M +84,524 +95%
BlackRock
13
BlackRock
New York
$1.7M +$148K +10,969 +8%
Susquehanna International Group
14
Susquehanna International Group
Pennsylvania
$1.56M +$718K +53,308 +66%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$1.54M -$11.5K -852 -0.6%
BCM
16
Bridgeway Capital Management
Texas
$1.27M +$172K +12,800 +13%
Renaissance Technologies
17
Renaissance Technologies
New York
$1.26M -$519K -38,500 -26%
Citadel Advisors
18
Citadel Advisors
Florida
$1.25M -$242K -17,929 -14%
PIP
19
Palisades Investment Partners
California
$1.18M +$1.36M +100,656 New
SEI Investments
20
SEI Investments
Pennsylvania
$1.08M +$637K +47,282 +105%
Qube Research & Technologies (QRT)
21
Qube Research & Technologies (QRT)
United Kingdom
$1.03M +$627K +46,539 +111%
XT
22
XTX Topco
Cayman Islands
$871K +$70.4K +5,225 +8%
EI
23
EAM Investors
California
$868K
UBS Group
24
UBS Group
Switzerland
$846K +$844K +62,664 +639%
BNP Paribas Financial Markets
25
BNP Paribas Financial Markets
France
$742K +$498K +36,973 +139%

ASYS Hedge Fund Activity: Q1 2026 in Review

79 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Amtech Systems (ASYS) for Q1 2026, worth a combined $87.4M — up 13% from $77.2M a quarter earlier.

Buyers outnumbered sellers: 23 funds opened new ASYS positions and 8 closed out — a net gain of 15 holders — while 28 added to existing stakes and 21 trimmed.

The largest buyer was Millennium Management, adding an estimated $5.8M. The largest seller was Pacific Ridge Capital Partners, cutting an estimated $3M.

  • 79 institutional investors held Amtech Systems (ASYS) as of Q1 2026, up from 65 in Q4 2025.
  • Funds reported $87.4M of Amtech Systems stock for Q1 2026, up 13% quarter-over-quarter.
  • 23 funds opened new Amtech Systems positions in Q1 2026 and 8 closed out, a net change of +15 holders.
  • The largest Amtech Systems buyer in Q1 2026 was Millennium Management, an estimated $5.8M added.
  • The largest Amtech Systems seller in Q1 2026 was Pacific Ridge Capital Partners, an estimated $3M sold.

Based on aggregated 13F filings for Q1 2026.