Amtech Systems Inc

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Amtech Systems Inc
TickerASYS
CIK #0000720500
CUSIP032332504
SectorTechnology - Special Industry Machinery, Nec
Address131 S Clark Dr, Tempe, AZ 85281
Source [EDGAR]
CIK Filing 2011 - 2025
[0000720500] 10-K
[0000720500] 10-Q
[0000720500] 3
[0000720500] 4
[0000720500] 5
[0000720500] 8-K
[0000720500] SC 13D
[0000720500] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
First Eagle Investment Management LLC Amtech Systems Inc [2024-11-12] 5.51
WAX Asset Management LLC Amtech Systems Inc [2024-02-09] 6.8
Vanguard Group Inc Amtech Systems Inc [2021-02-10] 5.52
Pacific Ridge Capital Partners LLC Amtech Systems Inc [2020-02-12] 5.97
Harbert Discovery Fund LP Amtech Systems Inc [2019-12-11] 5.2
Privet Fund LP Amtech Systems Inc [2019-11-25] 5.84
Dimensional Fund Advisors LP Amtech Systems Inc [2019-02-08] 8.87
Schreyer Leslie J Amtech Systems Inc [2016-01-25] 10.5
Wansem Paul J van der Amtech Systems Inc [2015-02-09] 5.1
Royce & Associates LLC Amtech Systems Inc [2015-01-05] 0.92
[2013-03-27] None
Form 3/4/5 Filer 2011 - 2025
Daigle Robert C
Amtech Systems Inc
Averick Robert M
Jenke Wade Michael
Ludwig Michael M
Garnreiter Michael
Jakwani Asif Y.
Gibbs Lisa
Whang Michael
Whang Jong S
Mohan Sukesh
King Robert F
Hass Robert T
Cornice Fiduciary Management LLC
Schreyer Leslie J
Pentinga Fokko
Wansem Paul J van der
Anderson Bradley Clark
Goudena Egbert J. G.
Piton Capital Partners LLC
OIH LLC
M3C Holdings LLC
Giese Alfred
Hwang Jeong Mo
Form 13F Holdings
Firm Period DFND Voting Shares
Dimensional Fund Advisors LP [2025-06-30] SOLE 867,126 882,431
First Eagle Investment Management LLC [2025-06-30] SOLE 800,382 800,382
Pacific Ridge Capital Partners LLC [2025-06-30] SOLE 429,495 661,367
Vanguard Group Inc [2025-06-30] SOLE 0 654,625
Geode Capital Management LLC [2025-06-30] DFND 136,374 136,374
BlackRock, Inc. [2025-06-30] SOLE 124,598 124,598
Ancora Advisors LLC [2025-06-30] SOLE 100,025 111,022
Kovack Advisors Inc [2025-06-30] SOLE 0 73,000
Bridgeway Capital Management LLC [2025-06-30] SOLE 64,800 64,800
Citadel Advisors LLC [2025-06-30] DFND 56,194 56,194
State Street Corp [2025-06-30] DFND 54,790 54,790
Northern Trust Corp [2025-06-30] DFND 46,767 46,767
GSA Capital Partners LLP [2025-06-30] SOLE 44,419 44,419
Acadian Asset Management LLC [2025-06-30] DFND 42,968 42,968
Wealthtrust Axiom LLC [2025-06-30] SOLE 0 42,124
Commonwealth Equity Services LLC [2025-06-30] SOLE 0 38,500
Royal Bank of Canada [2025-06-30] DFND 1,500 35,500
Sowell Financial Services LLC [2025-06-30] SOLE 33,549 33,549
Ironwood Investment Management LLC [2025-06-30] SOLE 27,798 27,798
Dimensional Fund Advisors LP [2025-06-30] DFND 0 27,135
Janney Montgomery Scott LLC [2025-06-30] SOLE 26,700 26,700
XTX Topco Ltd [2025-06-30] DFND 23,606 23,606
Villere St Denis J & Co LLC [2025-06-30] SOLE 20,000 20,000
Goldman Sachs Group Inc [2025-06-30] DFND 19,954 19,954
Williams & Novak, LLC [2025-06-30] SOLE 0 18,385
Renaissance Technologies LLC [2025-06-30] SOLE 14,500 14,500
UBS Group AG [2025-06-30] DFND 12,529 12,829
FMR LLC [2025-06-30] DFND 0 5,892
Vanguard Group Inc [2025-06-30] DFND 0 4,282
Simplex Trading LLC [2025-06-30] SOLE 2,838 2,838
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