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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 2022

Institutional positions in Amtech Systems Inc as of Sep 30, 2022. 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
43
+3 vs. Q2 2022
Shares held
8.96M
−34.5K (−0.4%) vs. Q2 2022
Total value
$76.1M
+$10.5M (+16.0%) vs. Q2 2022
New holders
6
9 more added
Sold out
3
15 more reduced

Compare with Q2 2022: 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 2022: 43 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 2022: $76.1M
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 2022

Shares, value and share of portfolio for each institution holding Amtech Systems Inc; share changes are against Q2 2022.

Institutions holding ASYS in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Kokino LLC2,250,000$19.1M68.41%00.0%Unchanged
Royce & Associates LP1,340,970$11.4M0.13%−5,038−0.4%Reduced
Dimensional Fund Advisors LP1,135,113$9.65M0.00%+1,156+0.1%Added
Pacific Ridge Capital Partners, LLC785,860$6.68M1.73%−24,364−3.0%Reduced
Seldon Capital LP541,968$4.61M3.29%−10,003−1.8%Reduced
Vanguard Group Inc471,380$4.01M0.00%00.0%Unchanged
Heartland Advisors Inc300,000$2.55M0.19%00.0%Unchanged
B. Riley Asset Management, LLC274,228$2.33M1.25%−48,205−15.0%Reduced
Essex Investment Management Co LLC269,005$2.29M0.37%+7,384+2.8%Added
First Eagle Investment Management, LLC195,917$1.67M0.01%+28,665+17.1%Added
BlackRock Inc.138,915$1.18M0.00%−788−0.6%Reduced
EAM Investors, LLC126,902$1.08M0.23%+126,902New
Brandywine Global Investment Management, LLC124,838$1.06M0.01%+25,290+25.4%Added
Oberweis Asset Management Inc113,900$968.0K0.23%+5,000+4.6%Added
Geode Capital Management, LLC104,334$886.0K0.00%−10,617−9.2%Reduced
Bridgeway Capital Management, LLC86,800$738.0K0.02%00.0%Unchanged
Janney Montgomery Scott LLC76,656$652.0K0.00%+76,656New
Millennium Management LLC75,257$640.0K0.00%+75,257New
ClariVest Asset Management LLC70,500$600.0K0.03%00.0%Unchanged
Ancora Advisors, LLC54,063$459.0K0.01%−11,004−16.9%Reduced
Renaissance Technologies LLC46,796$398.0K0.00%+11,600+33.0%Added
Acadian Asset Management LLC41,461$352.0K0.00%00.0%Unchanged
WealthTrust Axiom LLC40,653$345.0K0.13%−2,816−6.5%Reduced
State Street Corp37,390$318.0K0.00%00.0%Unchanged
Commonwealth Equity Services, LLC37,000$314.0K0.00%00.0%Unchanged
Two Sigma Advisers, LP31,500$268.0K0.00%−2,800−8.2%Reduced
Ironwood Investment Management LLC31,383$267.0K0.19%+87+0.3%Added
Bank of New York Mellon Corp30,651$260.0K0.00%+477+1.6%Added
Northern Trust Corp24,156$205.0K0.00%+255+1.1%Added
Citadel Advisors LLC19,723$168.0K0.00%+19,723New
Quadrature Capital Ltd19,566$166.0K0.01%+19,566New
Connor, Clark & Lunn Investment Management Ltd.18,014$153.0K0.00%−646−3.5%Reduced
Boothbay Fund Management, LLC12,352$105.0K0.00%−242,003−95.1%Reduced
Two Sigma Investments, LP11,800$100.0K0.00%−3,400−22.4%Reduced
UBS Group AG10,000$85.0K0.00%00.0%Unchanged
Morgan Stanley4,748$41.0K0.00%−2,559−35.0%Reduced
Tower Research Capital LLC (TRC)1,629$14.0K0.00%−773−32.2%Reduced
Earnest Partners LLC1,700$14.0K0.00%00.0%Unchanged
First Horizon Advisors, Inc.700$6.00K0.00%00.0%Unchanged
Strengthening Families & Communities, LLC490$4.00K0.00%00.0%Unchanged
Barclays PLC184$2.00K0.00%+184New
Wells Fargo & Company72$1.00K0.00%−413−85.2%Reduced
Advisor Group Holdings, Inc.114$1.00K0.00%00.0%Unchanged
Barings LLC0$00.00%−65,000−100.0%Sold out
Total Clarity Wealth Management, Inc.0$00.00%−1,322−100.0%Sold out
Captrust Financial Advisors0$00.00%−1,000−100.0%Sold out