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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, Q1 2022

Institutional positions in Amtech Systems Inc as of Mar 31, 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
46
−4 vs. Q4 2021
Shares held
9.40M
−252.9K (−2.6%) vs. Q4 2021
Total value
$94.6M
−$760.7K (−0.8%) vs. Q4 2021
New holders
5
18 more added
Sold out
9
15 more reduced

Compare with Q4 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 holdersQ1 2022: 46 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 heldQ1 2022: $94.6M
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, Q1 2022

Shares, value and share of portfolio for each institution holding Amtech Systems Inc; share changes are against Q4 2021.

Institutions holding ASYS in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
RPg Family Wealth Advisory, LLC32$3220.00%+32New
Advisor Group Holdings, Inc.113$1.00K0.00%00.0%Unchanged
Strengthening Families & Communities, LLC490$5.00K0.00%00.0%Unchanged
Wells Fargo & Company478$5.00K0.00%+403+537.3%Added
First Horizon Advisors, Inc.700$7.00K0.00%+700New
Captrust Financial Advisors1,000$10.0K0.00%00.0%Unchanged
JPMorgan Chase & Co1,474$15.0K0.00%+33+2.3%Added
HM Payson & Co1,536$15.0K0.00%+1,536New
Earnest Partners LLC1,700$17.0K0.00%00.0%Unchanged
PEAK6 Investments LLC3,673$37.0K0.00%−7,393−66.8%Reduced
Diametric Capital, LP10,366$104.0K0.06%−3,493−25.2%Reduced
UBS Group AG11,058$111.0K0.00%+698+6.7%Added
Millennium Management LLC17,489$176.0K0.00%+17,489New
Northern Trust Corp24,266$245.0K0.00%−2,580−9.6%Reduced
Connor, Clark & Lunn Investment Management Ltd.27,255$274.0K0.00%−5,292−16.3%Reduced
Two Sigma Investments, LP29,240$294.0K0.00%−40,830−58.3%Reduced
Ironwood Investment Management LLC31,278$315.0K0.17%+555+1.8%Added
Bank of New York Mellon Corp31,387$316.0K0.00%+1,537+5.1%Added
Commonwealth Equity Services, LLC37,049$372.0K0.00%00.0%Unchanged
State Street Corp37,390$376.0K0.00%+2,560+7.3%Added
Susquehanna International Group, LLP39,116$394.0K0.00%+12,123+44.9%Added
Two Sigma Advisers, LP39,500$397.0K0.00%−9,900−20.0%Reduced
WealthTrust Axiom LLC43,469$437.0K0.14%+1,000+2.4%Added
Morgan Stanley46,414$466.0K0.00%+6,216+15.5%Added
First Eagle Investment Management, LLC47,370$477.0K0.00%+35,478+298.3%Added
Renaissance Technologies LLC50,096$504.0K0.00%−100,461−66.7%Reduced
Ancora Advisors, LLC65,067$655.0K0.02%+15,035+30.1%Added
Bank of Montreal72,000$773.0K0.00%+72,000New
Acadian Asset Management LLC78,636$789.0K0.00%−44,701−36.2%Reduced
Bridgeway Capital Management, LLC86,800$873.0K0.02%−6,900−7.4%Reduced
Barings LLC88,808$893.0K0.03%00.0%Unchanged
Maven Securities LTD100,000$1.01M0.21%+10,000+11.1%Added
Oberweis Asset Management Inc110,700$1.11M0.22%+8,200+8.0%Added
Geode Capital Management, LLC113,176$1.14M0.00%+2,109+1.9%Added
Brandywine Global Investment Management, LLC114,348$1.15M0.01%00.0%Unchanged
BlackRock Inc.141,362$1.42M0.00%−3,799−2.6%Reduced
Essex Investment Management Co LLC252,811$2.54M0.32%+11,691+4.8%Added
Heartland Advisors Inc300,000$3.02M0.19%+50,000+20.0%Added
B. Riley Asset Management, LLC333,755$3.36M1.74%−67,107−16.7%Reduced
Boothbay Fund Management, LLC433,915$4.37M0.14%−20,000−4.4%Reduced
Vanguard Group Inc471,380$4.74M0.00%−2,560−0.5%Reduced
Seldon Capital LP551,971$5.55M3.27%−15,663−2.8%Reduced
Pacific Ridge Capital Partners, LLC888,994$8.94M1.70%−1,685−0.2%Reduced
Dimensional Fund Advisors LP1,121,617$11.3M0.00%+21,422+1.9%Added
Royce & Associates LP1,288,251$13.0M0.11%+84,391+7.0%Added
Kokino LLC2,250,000$22.6M66.16%00.0%Unchanged
Arrowstreet Capital, Limited Partnership0$00.00%−135,814−100.0%Sold out
ClariVest Asset Management LLC0$00.00%−81,309−100.0%Sold out
White Pine Capital LLC0$00.00%−32,790−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−13,703−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−10,029−100.0%Sold out
Total Clarity Wealth Management, Inc.0$00.00%−1,217−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−531−100.0%Sold out
Simplex Trading, LLC0$00.00%−347−100.0%Sold out
Bank of America Corp0$00.00%−22−100.0%Sold out