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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 $261.1M in total; no superinvestor holds it.

13F holders, Q3 2023

Institutional positions in Amtech Systems Inc as of Sep 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
42
−2 vs. Q2 2023
Shares held
6.72M
+111.1K (+1.7%) vs. Q2 2023
Total value
$51.2M
−$12.0M (−19.0%) vs. Q2 2023
New holders
4
13 more added
Sold out
6
17 more reduced

Compare with Q2 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ASYS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2023: 42 institutions
Q1 2021: 64 institutionsQ2 2021: 56 institutionsQ3 2021: 52 institutionsQ4 2021: 50 institutionsQ1 2022: 46 institutionsQ2 2022: 40 institutionsQ3 2022: 43 institutionsQ4 2022: 49 institutionsQ1 2023: 44 institutionsQ2 2023: 44 institutionsQ3 2023: 42 institutionsQ4 2023: 45 institutionsQ1 2024: 41 institutionsQ2 2024: 34 institutionsQ3 2024: 34 institutionsQ4 2024: 35 institutionsQ1 2025: 37 institutionsQ2 2025: 36 institutionsQ3 2025: 54 institutionsQ4 2025: 65 institutionsQ1 2026: 79 institutionsQ2 2026: 112 institutions
Value heldQ3 2023: $51.2M
Q1 2021: $83.7MQ2 2021: $65.2MQ3 2021: $77.6MQ4 2021: $96.5MQ1 2022: $94.6MQ2 2022: $65.7MQ3 2022: $76.1MQ4 2022: $50.2MQ1 2023: $66.7MQ2 2023: $63.2MQ3 2023: $51.2MQ4 2023: $25.9MQ1 2024: $33.9MQ2 2024: $36.4MQ3 2024: $35.4MQ4 2024: $30.2MQ1 2025: $23.2MQ2 2025: $18.3MQ3 2025: $42.1MQ4 2025: $77.2MQ1 2026: $87.4MQ2 2026: $261.1M
Institutions holding ASYS and their total value by quarter
QuarterHoldersValue
Q2 2026112$261.1M
Q1 202679$87.4M
Q4 202565$77.2M
Q3 202554$42.1M
Q2 202536$18.3M
Q1 202537$23.2M
Q4 202435$30.2M
Q3 202434$35.4M
Q2 202434$36.4M
Q1 202441$33.9M
Q4 202345$25.9M
Q3 202342$51.2M
Q2 202344$63.2M
Q1 202344$66.7M
Q4 202249$50.2M
Q3 202243$76.1M
Q2 202240$65.7M
Q1 202246$94.6M
Q4 202150$96.5M
Q3 202152$77.6M
Q2 202156$65.2M
Q1 202164$83.7M

Institutions, Q3 2023

Shares, value and share of portfolio for each institution holding Amtech Systems Inc; share changes are against Q2 2023.

Institutions holding ASYS in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Royce & Associates LP1,478,680$11.3M0.11%+74,661+5.3%Added
Dimensional Fund Advisors LP1,126,731$8.59M0.00%−13,605−1.2%Reduced
Pacific Ridge Capital Partners, LLC787,517$6.00M1.39%−21,653−2.7%Reduced
Vanguard Group Inc666,012$5.08M0.00%+43,600+7.0%Added
First Eagle Investment Management, LLC574,346$4.38M0.01%+161,267+39.0%Added
Essex Investment Management Co LLC347,437$2.65M0.43%−7,063−2.0%Reduced
Kennedy Capital Management, Inc.255,094$1.94M0.05%+39,684+18.4%Added
Seldon Capital LP208,112$1.59M1.48%−44,712−17.7%Reduced
BlackRock Inc.133,541$1.02M0.00%−10,447−7.3%Reduced
Legato Capital Management LLC130,037$990.9K0.14%−6,095−4.5%Reduced
Brandywine Global Investment Management, LLC126,838$966.5K0.01%+2,500+2.0%Added
Oberweis Asset Management Inc118,900$906.0K0.10%00.0%Unchanged
Geode Capital Management, LLC114,144$870.0K0.00%+4,199+3.8%Added
ClariVest Asset Management LLC74,559$569.0K0.03%−10,400−12.2%Reduced
Ancora Advisors, LLC72,282$550.8K0.01%00.0%Unchanged
Bridgeway Capital Management, LLC69,600$530.4K0.01%00.0%Unchanged
Kovack Advisors, Inc.50,600$385.6K0.05%+50,600New
Connor, Clark & Lunn Investment Management Ltd.46,653$355.5K0.00%+13,347+40.1%Added
WealthTrust Axiom LLC45,956$350.2K0.13%+500+1.1%Added
State Street Corp39,590$301.7K0.00%00.0%Unchanged
Commonwealth Equity Services, LLC37,000$282.0K0.00%00.0%Unchanged
White Pine Capital LLC30,450$232.0K0.09%+10,722+54.3%Added
Ironwood Investment Management LLC28,550$217.6K0.13%−961−3.3%Reduced
Janney Montgomery Scott LLC26,700$203.0K0.00%+8,700+48.3%Added
Acadian Asset Management LLC23,086$175.0K0.00%−30,714−57.1%Reduced
O'Shaughnessy Asset Management, LLC22,619$172.4K0.00%−11,578−33.9%Reduced
Northern Trust Corp22,244$169.5K0.00%−43−0.2%Reduced
Royal Bank of Canada16,500$126.0K0.00%+3,989+31.9%Added
Two Sigma Advisers, LP12,300$93.7K0.00%−3,000−19.6%Reduced
Citadel Advisors LLC11,794$89.9K0.00%−25,400−68.3%Reduced
Ritholtz Wealth Management10,350$78.9K0.00%−7,430−41.8%Reduced
Barclays PLC6,313$48.1K0.00%+6,313New
Tower Research Capital LLC (TRC)3,687$28.1K0.00%+3,149+585.3%Added
Morgan Stanley1,996$15.2K0.00%−1,467−42.4%Reduced
Earnest Partners LLC1,700$13.0K0.00%00.0%Unchanged
Strengthening Families & Communities, LLC490$4.00K0.00%00.0%Unchanged
Rhumbline Advisers492$3.75K0.00%00.0%Unchanged
UBS Group AG415$3.16K0.00%−1,588−79.3%Reduced
Wells Fargo & Company84$6400.00%+5+6.3%Added
FMR LLC45$3450.00%+45New
Advisor Group Holdings, Inc.3$220.00%−110−97.3%Reduced
Qube Research & Technologies Ltd1$80.00%+1New
Renaissance Technologies LLC0$00.00%−77,661−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−20,806−100.0%Sold out
Keebeck Wealth Management, LLC0$00.00%−10,000−100.0%Sold out
Firsthand Capital Management, Inc.0$00.00%−6,600−100.0%Sold out
Wolff Wiese Magana LLC0$00.00%−750−100.0%Sold out
GWM Advisors LLC0$00.00%−135−100.0%Sold out