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Amtech Systems
ASYS

37 hedge funds and large institutions have $23.2M invested in Amtech Systems in 2025 Q1 according to their latest regulatory filings, with 6 funds opening new positions, 18 increasing their positions, 6 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more repeat investments, than reductions

Existing positions increased: 18 | Existing positions reduced: 6

50% more first-time investments, than exits

New positions opened: 6 | Existing positions closed: 4

6% more funds holding

Funds holding: 35 → 37 (+2)

5.27% less ownership

Funds ownership: 38.85% → 33.58% (-5.3%)

23% less capital invested

Capital invested by funds: $30.2M → $23.2M (-$7.06M)

87% less call options, than puts

Call options by funds: $12K | Put options by funds: $91K

Holders
37
Holders Change
+2
Holders Change %
+5.71%
% of All Funds
0.5%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
6
Increased
18
Reduced
6
Closed
4
Calls
$12K
Puts
$91K
Net Calls
-$79K
Net Calls Change
-$70K

Top Buyers

Rank Fund Capital Flow
1
AE
AMH Equity
New York
+$291K
2
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$175K
3
SFS
Sowell Financial Services
Arkansas
+$170K
4
BCM
Bridgeway Capital Management
Texas
+$151K
5
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$105K

Top Sellers

Rank Fund Capital Flow
1
RA
Royce & Associates
New York
-$4.6M
2
KCM
Kennedy Capital Management
Missouri
-$231K
3
PRCP
Pacific Ridge Capital Partners
Oregon
-$162K
4
Millennium Management
Millennium Management
New York
-$124K
5
Squarepoint
Squarepoint
New York
-$70.9K
Name Holding Trade Value Shares
Change 		Change in
Stake
WN
26
Williams & Novak
California
$70.9K +$76K +14,735 New
Renaissance Technologies
27
Renaissance Technologies
New York
$61.3K +$5.16K +1,000 +9%
GCP
28
GSA Capital Partners
United Kingdom
$59K +$62.5K +12,116 New
Wolverine Trading
29
Wolverine Trading
Illinois
$54.8K +$56.7K +10,984 New
Simplex Trading
30
Simplex Trading
Illinois
$16K +$15K +2,901 +512%
Osaic Holdings
31
Osaic Holdings
Arizona
$8.21K +$1.55K +300 +21%
TRCT
32
Tower Research Capital (TRC)
New York
$7.37K +$3.46K +670 +78%
UBS Group
33
UBS Group
Switzerland
$5.91K – – –
SS
34
SBI Securities
Japan
$1.12K +$108 +21 +10%
PS
35
Principal Securities
Iowa
$1.09K – – –
Bank of America
36
Bank of America
North Carolina
$493 +$26 +5 +5%
Morgan Stanley
37
Morgan Stanley
New York
$396 +$423 +82 New
KCM
38
Kennedy Capital Management
Missouri
– -$231K -42,325 Closed
Millennium Management
39
Millennium Management
New York
– -$124K -22,706 Closed
Squarepoint
40
Squarepoint
New York
– -$70.9K -13,005 Closed
EGM
41
Engineers Gate Manager
New York
– -$61.8K -11,337 Closed
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ASYS Hedge Fund Activity: Q1 2025 in Review

37 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Amtech Systems (ASYS) for Q1 2025, worth a combined $23.2M — down 23% from $30.2M a quarter earlier.

Buyers outnumbered sellers: 6 funds opened new ASYS positions and 4 closed out — a net gain of 2 holders — while 18 added to existing stakes and 6 trimmed.

The largest buyer was AMH Equity, adding an estimated $291K. The largest seller was Royce & Associates, cutting an estimated $4.6M.

  • 37 institutional investors held Amtech Systems (ASYS) as of Q1 2025, up from 35 in Q4 2024.
  • Funds reported $23.2M of Amtech Systems stock for Q1 2025, down 23% quarter-over-quarter.
  • 6 funds opened new Amtech Systems positions in Q1 2025 and 4 closed out, a net change of +2 holders.
  • The largest Amtech Systems buyer in Q1 2025 was AMH Equity, an estimated $291K added.
  • The largest Amtech Systems seller in Q1 2025 was Royce & Associates, an estimated $4.6M sold.

Based on aggregated 13F filings for Q1 2025.