Institutional Ownership Amtech Systems Inc (ASYS)
This table provides information about the institutional ownership of Amtech Systems Inc (ASYS). We have compiled data on the 56 institutions that hold shares in the stock, with a total of 6.78 Million shares, which have been reported (via 13F filing form) to have a value of $49 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Kokino LLC
Oklahoma City, OK |
Nov 14, 2022 Q3 2022 |
2,250,000
shares
|
$16.2 Million
68.41% of portfolio
|
Q2 2017
New holding
|
|
|
Dimensional Fund Advisors LP
Austin, TX |
Nov 12, 2025 Q3 2025 |
849,815
shares
|
$6.14 Million
0.0% of portfolio
|
Q3 2025
Reduced 6.57%
|
|
|
First Eagle Investment Management, LLC
|
Nov 12, 2025 Q3 2025 |
752,346
shares
|
$5.43 Million
0.01% of portfolio
|
Q3 2025
Reduced 6.0%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Nov 07, 2025 Q3 2025 |
676,006
shares
|
$4.88 Million
0.0% of portfolio
|
Q3 2025
Added 2.6%
|
|
|
Pacific Ridge Capital Partners, LLC
Lake Oswego, OR |
Nov 10, 2025 Q3 2025 |
646,489
shares
|
$4.67 Million
1.48% of portfolio
|
Q3 2025
Reduced 2.25%
|
|
|
Arrowstreet Capital, Limited Partnership
Boston, MA |
Nov 13, 2025 Q3 2025 |
182,429
shares
|
$1.32 Million
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Jane Street Group, LLC
New York, NY |
Nov 13, 2025 Q3 2025 |
175,422
shares
|
$1.27 Million
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Geode Capital Management, LLC
Boston, MA |
Nov 12, 2025 Q3 2025 |
131,281
shares
|
$947,848
0.0% of portfolio
|
Q3 2025
Reduced 3.73%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
119,240
shares
|
$860,912
0.0% of portfolio
|
Q2 2024
Added 1.03%
|
|
|
Marshall Wace, LLP
London, X0 |
Nov 13, 2025 Q3 2025 |
105,272
shares
|
$760,063
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Acadian Asset Management LLC
Boston, MA |
Nov 13, 2025 Q3 2025 |
83,532
shares
|
$603,101
0.0% of portfolio
|
Q3 2025
Added 94.41%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Nov 14, 2025 Q3 2025 |
78,454
shares
|
$566,437
0.0% of portfolio
|
Q3 2025
Added 107.04%
|
|
|
Bridgeway Capital Management, LLC
Houston, TX |
Nov 14, 2025 Q3 2025 |
64,800
shares
|
$467,856
0.01% of portfolio
|
Q1 2025
Added 82.02%
|
|
|
State Street Corp
Boston, MA |
Nov 14, 2025 Q3 2025 |
54,790
shares
|
$395,583
0.0% of portfolio
|
Q4 2024
Added 8.52%
|
|
|
Essex Investment Management CO LLC
Boston, MA |
Nov 06, 2025 Q3 2025 |
37,816
shares
|
$273,031
0.06% of portfolio
|
Q3 2025
New holding
|
|
|
Northern Trust Corp
Chicago, IL |
Nov 14, 2025 Q3 2025 |
36,703
shares
|
$264,995
0.0% of portfolio
|
Q3 2025
Reduced 21.52%
|
|
|
Wealth Trust Axiom LLC
|
Nov 14, 2025 Q3 2025 |
35,800
shares
|
$258,476
0.09% of portfolio
|
Q3 2025
Reduced 15.01%
|
|
|
Ancora Advisors, LLC
Cleveland, OH |
Nov 14, 2025 Q3 2025 |
35,247
shares
|
$254,483
0.01% of portfolio
|
Q3 2025
Reduced 68.25%
|
|
|
Gsa Capital Partners LLP
London, X0 |
Nov 07, 2025 Q3 2025 |
33,817
shares
|
$244,158
0.03% of portfolio
|
Q3 2025
Reduced 23.87%
|
|
|
Kovack Advisors, Inc.
|
Nov 07, 2025 Q3 2025 |
32,150
shares
|
$232,123
0.03% of portfolio
|
Q3 2025
Reduced 55.96%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Nov 14, 2025 Q3 2025 |
31,251
shares
|
$225,632
0.0% of portfolio
|
Q3 2025
Added 56.62%
|
|
|
Ironwood Investment Management LLC
Boston, MA |
Nov 13, 2025 Q3 2025 |
27,591
shares
|
$199,207
0.12% of portfolio
|
Q3 2025
Reduced 0.74%
|
|
|
Janney Montgomery Scott LLC
|
Oct 27, 2025 Q3 2025 |
26,700
shares
|
$192,774
0.0% of portfolio
|
Q4 2024
Reduced 3.61%
|
|
|
Ehp Funds Inc.
Toronto, Z4 |
Nov 13, 2025 Q3 2025 |
25,242
shares
|
$182,247
0.33% of portfolio
|
Q3 2025
New holding
|
|
|
Cubist Systematic Strategies, LLC
Stamford, CT |
Nov 14, 2025 Q3 2025 |
24,844
shares
|
$179,373
0.0% of portfolio
|
Q3 2025
New holding
|
|