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Amtech Systems Inc

ASYS
Exchange
Nasdaq
Industry
Special Industry Machinery, NEC
SEC CIK
0000720500

In the last 90 days, Amtech Systems Inc insiders filed 2 open-market purchases and 0 sales; 112 institutions reported holding it in 13F filings for Q2 2026, worth $241.5M in total; no superinvestor holds it.

Q4 2021 vs. Q3 2021

How the institutions holding Amtech Systems Inc changed between Q3 2021 and Q4 2021.

All holders in Q4 2021All holders in Q3 2021

13F holders of ASYS: Q3 2021 compared with Q4 2021
MeasureQ3 2021Q4 2021Change
Holders5250−2
Shares6.79M9.65M+2.86M (+42.2%)
Value$77.6M$95.3M+$17.8M (+22.9%)

New holders (9)

Institutions that held Amtech Systems Inc at the end of Q4 2021 but not at the end of Q3 2021.

Institutions new to ASYS in Q4 2021
InstitutionSharesValue% of portfolio
Kokino LLC2,250,000$22.2M59.31%
Seldon Capital LP567,634$5.61M3.61%
B. Riley Asset Management, LLC400,862$3.96M2.09%
PEAK6 Investments LLC11,066$109.0K0.00%
Prelude Capital Management, LLC10,029$99.0K0.00%
JPMorgan Chase & Co1,441$14.0K0.00%
Tower Research Capital LLC (TRC)531$5.00K0.00%
Strengthening Families & Communities, LLC490$5.00K0.00%
Simplex Trading, LLC347$3.00K0.00%

Sold out (11)

Institutions that held Amtech Systems Inc at the end of Q3 2021 and filed for Q4 2021 without it.

Institutions that sold out of ASYS in Q4 2021
InstitutionShares, Q3 2021Value, Q3 2021
AIGH Capital Management LLC273,100$3.12M
EAM Investors, LLC117,582$1.34M
Worth Venture Partners, LLC62,646$716.0K
Citadel Advisors LLC19,460$222.0K
Winton Group Ltd18,885$216.0K
Alpha Paradigm Partners, LLC17,641$202.0K
O'Shaughnessy Asset Management, LLC4,587$52.0K
Barclays PLC3,790$43.0K
Group One Trading, L.P.2,204$25.0K
FMR LLC200$2.00K
GPS Wealth Strategies Group, LLC160$2.00K