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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.

13F holders, Q2 2021

Institutional positions in Amtech Systems Inc as of Jun 30, 2021. 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
56
−8 vs. Q1 2021
Shares held
6.67M
−406.6K (−5.7%) vs. Q1 2021
Total value
$64.4M
−$19.3M (−23.1%) vs. Q1 2021
New holders
9
20 more added
Sold out
17
21 more reduced

Compare with Q1 2021: 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 holdersQ2 2021: 56 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 heldQ2 2021: $64.4M
Q1 2021: $83.7MQ2 2021: $64.4MQ3 2021: $77.6MQ4 2021: $95.3MQ1 2022: $94.6MQ2 2022: $65.7MQ3 2022: $76.1MQ4 2022: $50.2MQ1 2023: $62.5MQ2 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: $18.2MQ3 2025: $42.1MQ4 2025: $77.2MQ1 2026: $87.4MQ2 2026: $241.5M
Institutions holding ASYS and their total value by quarter
QuarterHoldersValue
Q2 2026112$241.5M
Q1 202679$87.4M
Q4 202565$77.2M
Q3 202554$42.1M
Q2 202536$18.2M
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$62.5M
Q4 202249$50.2M
Q3 202243$76.1M
Q2 202240$65.7M
Q1 202246$94.6M
Q4 202150$95.3M
Q3 202152$77.6M
Q2 202156$64.4M
Q1 202164$83.7M

Institutions, Q2 2021

Shares, value and share of portfolio for each institution holding Amtech Systems Inc; share changes are against Q1 2021.

Institutions holding ASYS in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Advisor Group Holdings, Inc.3$00.00%−170−98.3%Reduced
Wells Fargo & Company79$1.00K0.00%00.0%Unchanged
Royal Bank of Canada219$2.00K0.00%−69−24.0%Reduced
GPS Wealth Strategies Group, LLC160$2.00K0.00%00.0%Unchanged
Bank of America Corp270$3.00K0.00%+36+15.4%Added
Cutler Group LP489$4.00K0.00%+189+63.0%Added
Captrust Financial Advisors1,000$10.0K0.00%00.0%Unchanged
Barclays PLC1,085$10.0K0.00%+1,070+7,133.3%Added
Earnest Partners LLC1,700$16.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,704$16.0K0.00%+717+72.6%Added
Morgan Stanley1,887$18.0K0.00%+447+31.0%Added
JPMorgan Chase & Co2,362$23.0K0.00%+946+66.8%Added
State of Wyoming2,653$26.0K0.02%+2,653New
O'Shaughnessy Asset Management, LLC4,723$46.0K0.00%−871−15.6%Reduced
First Eagle Investment Management, LLC7,092$68.0K0.00%+7,092New
PEAK6 Investments LLC7,997$77.0K0.00%+7,997New
Goldman Sachs Group Inc10,577$102.0K0.00%+10,577New
UBS Group AG11,664$112.0K0.00%+1,664+16.6%Added
Jump Financial, LLC14,900$144.0K0.01%+14,900New
Bank of New York Mellon Corp16,180$156.0K0.00%−1,262−7.2%Reduced
Russell Investments Group, Ltd.16,500$159.0K0.00%−251,267−93.8%Reduced
Millennium Management LLC17,685$170.0K0.00%−28,574−61.8%Reduced
Alpha Paradigm Partners, LLC19,789$191.0K0.07%+12,735+180.5%Added
Winton Group Ltd21,920$211.0K0.01%−869−3.8%Reduced
Susquehanna International Group, LLP22,403$216.0K0.00%−71,103−76.0%Reduced
State Street Corp23,430$226.0K0.00%+23,430New
D. E. Shaw & Co., Inc.24,958$241.0K0.00%+24,958New
Northern Trust Corp29,087$281.0K0.00%−2,033−6.5%Reduced
Prelude Capital Management, LLC29,977$289.0K0.02%−1,811−5.7%Reduced
Ironwood Investment Management LLC30,127$290.0K0.15%−722−2.3%Reduced
Connor, Clark & Lunn Investment Management Ltd.35,931$346.0K0.00%+8,385+30.4%Added
Commonwealth Equity Services, LLC37,049$357.0K0.00%00.0%Unchanged
WealthTrust Axiom LLC42,406$408.0K0.13%−4,975−10.5%Reduced
Diametric Capital, LP46,622$449.0K0.32%+46,622New
Jacobs Levy Equity Management, Inc59,775$576.0K0.00%−476−0.8%Reduced
White Pine Capital LLC58,758$609.0K0.18%−1,693−2.8%Reduced
ClariVest Asset Management LLC83,469$805.0K0.03%+669+0.8%Added
Two Sigma Advisers, LP84,800$817.0K0.00%+38,400+82.8%Added
Barings LLC88,808$856.0K0.02%00.0%Unchanged
Ibex Investors LLC104,825$1.01M0.61%−1,071−1.0%Reduced
Geode Capital Management, LLC110,100$1.06M0.00%+11,724+11.9%Added
Acadian Asset Management LLC123,327$1.19M0.00%+2,389+2.0%Added
Bridgeway Capital Management, LLC124,300$1.20M0.02%−10,500−7.8%Reduced
Hillsdale Investment Management Inc.133,211$1.28M0.10%+96,800+265.9%Added
Arrowstreet Capital, Limited Partnership138,611$1.34M0.00%+27,988+25.3%Added
Ancora Advisors, LLC139,133$1.34M0.04%−7,960−5.4%Reduced
Two Sigma Investments, LP143,162$1.38M0.00%−4,057−2.8%Reduced
BlackRock Inc.144,231$1.39M0.00%−22,133−13.3%Reduced
Essex Investment Management Co LLC198,245$1.91M0.22%+51,041+34.7%Added
Renaissance Technologies LLC222,696$2.15M0.00%+77,600+53.5%Added
Boothbay Fund Management, LLC456,221$4.40M0.18%+456,221New
Vanguard Group Inc522,972$5.04M0.00%−16,957−3.1%Reduced
Brandywine Global Investment Management, LLC532,120$5.13M0.04%−43,377−7.5%Reduced
Royce & Associates LP605,666$5.84M0.04%+78,000+14.8%Added
Pacific Ridge Capital Partners, LLC1,021,276$9.85M1.78%+83,094+8.9%Added
Dimensional Fund Advisors LP1,093,169$10.5M0.00%+29,935+2.8%Added
Portolan Capital Management, LLC0$00.00%−358,149−100.0%Sold out
Cannell Capital LLC0$00.00%−257,172−100.0%Sold out
EAM Investors, LLC0$00.00%−142,121−100.0%Sold out
Roubaix Capital, LLC0$00.00%−98,885−100.0%Sold out
Boston Partners0$00.00%−53,916−100.0%Sold out
Squarepoint Ops LLC0$00.00%−28,420−100.0%Sold out
California Public Employees Retirement System0$00.00%−23,267−100.0%Sold out
Citadel Advisors LLC0$00.00%−21,913−100.0%Sold out
Quadrature Capital Ltd0$00.00%−20,421−100.0%Sold out
Marshall Wace North America L.P.0$00.00%−18,464−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−12,141−100.0%Sold out
Victory Capital Management Inc0$00.00%−10,240−100.0%Sold out
Simplex Trading, LLC0$00.00%−5,656−100.0%Sold out
Total Clarity Wealth Management, Inc.0$00.00%−1,101−100.0%Sold out
Group One Trading, L.P.0$00.00%−669−100.0%Sold out
Signaturefd, LLC0$00.00%−300−100.0%Sold out
Navigation Wealth Management, Inc.0$00.00%−100−100.0%Sold out