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Amtech Systems
ASYS

Overview Fund Activity

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
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

1
AE
1
AMH Equity
New York
$471K
2
Royal Bank of Canada
2
Royal Bank of Canada
Ontario, Canada
$164K
3
SFS
3
Sowell Financial Services
Arkansas
$159K
4
BCM
4
Bridgeway Capital Management
Texas
$313K
5
Acadian Asset Management
5
Acadian Asset Management
Massachusetts
$204K

Top Sellers

1
RA
1
Royce & Associates
New York
$2.84M
2
KCM
2
Kennedy Capital Management
Missouri
$0
3
PRCP
3
Pacific Ridge Capital Partners
Oregon
$3M
4
Millennium Management
4
Millennium Management
New York
$0
5
Squarepoint
5
Squarepoint
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
WN
26
Williams & Novak
California
$70.9K +$70.9K +14,735 New
Renaissance Technologies
27
Renaissance Technologies
New York
$61.3K +$4.83K +1,000 +9%
GCP
28
GSA Capital Partners
United Kingdom
$59K +$59K +12,116 New
Wolverine Trading
29
Wolverine Trading
Illinois
$54.8K +$54.8K +10,984 New
Simplex Trading
30
Simplex Trading
Illinois
$16K +$13.4K +2,901 +512%
Osaic Holdings
31
Osaic Holdings
Arizona
$8.21K +$1.45K +300 +21%
TRCT
32
Tower Research Capital (TRC)
New York
$7.37K +$3.24K +670 +78%
UBS Group
33
UBS Group
Switzerland
$5.91K – – –
SS
34
SBI Securities
Japan
$1.12K +$101 +21 +10%
PS
35
Principal Securities
Iowa
$1.09K – – –
Bank of America
36
Bank of America
North Carolina
$493 +$24 +5 +5%
Morgan Stanley
37
Morgan Stanley
New York
$396 +$396 +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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