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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 2024

Institutional positions in Amtech Systems Inc as of Sep 30, 2024. 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
34
+1 vs. Q2 2024
Shares held
6.10M
+12.1K (+0.2%) vs. Q2 2024
Total value
$35.4M
−$294.8K (−0.8%) vs. Q2 2024
New holders
3
7 more added
Sold out
2
14 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 2024: 34 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 2024: $35.4M
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 2024

Shares, value and share of portfolio for each institution holding Amtech Systems Inc; share changes are against Q2 2024.

Institutions holding ASYS in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Royce & Associates LP1,711,172$9.92M0.09%−25,496−1.5%Reduced
Dimensional Fund Advisors LP924,130$5.36M0.00%−18,504−2.0%Reduced
First Eagle Investment Management, LLC783,367$4.54M0.01%+107,523+15.9%Added
Vanguard Group Inc674,175$3.91M0.00%00.0%Unchanged
Pacific Ridge Capital Partners, LLC661,037$3.83M0.91%−48,628−6.9%Reduced
AMH Equity Ltd250,000$1.45M1.91%00.0%Unchanged
Geode Capital Management, LLC128,067$743.0K0.00%+7,314+6.1%Added
LPL Financial LLC127,880$741.7K0.00%−7,200−5.3%Reduced
BlackRock, Inc.120,337$698.0K0.00%+120,337New
Ancora Advisors, LLC111,000$643.8K0.01%−37,922−25.5%Reduced
Kennedy Capital Management, Inc.96,111$557.4K0.01%−91,080−48.7%Reduced
Brandywine Global Investment Management, LLC65,174$378.0K0.00%−27,900−30.0%Reduced
State Street Corp50,490$292.8K0.00%00.0%Unchanged
WealthTrust Axiom LLC44,308$257.0K0.08%00.0%Unchanged
Citadel Advisors LLC42,296$245.3K0.00%+7,458+21.4%Added
Susquehanna International Group, LLP38,946$225.9K0.00%+5,673+17.0%Added
Bridgeway Capital Management, LLC37,400$216.9K0.00%00.0%Unchanged
Commonwealth Equity Services, LLC37,000$215.0K0.00%00.0%Unchanged
Northern Trust Corp34,025$197.3K0.00%−170−0.5%Reduced
Ironwood Investment Management LLC28,604$165.9K0.08%+261+0.9%Added
Janney Montgomery Scott LLC27,700$161.0K0.00%+27,700New
Acadian Asset Management LLC25,741$148.0K0.00%+7,265+39.3%Added
Corton Capital Inc.25,359$147.1K0.07%+25,359New
Kovack Advisors, Inc.20,100$116.6K0.01%−7,400−26.9%Reduced
Villere St Denis J & Co LLC20,000$116.0K0.01%00.0%Unchanged
Millennium Management LLC12,425$72.1K0.00%−13,935−52.9%Reduced
UBS Group AG1,264$7.33K0.00%−1,401−52.6%Reduced
Advisor Group Holdings, Inc.1,000$5.80K0.00%−3,993−80.0%Reduced
Tower Research Capital LLC (TRC)656$3.81K0.00%−1,957−74.9%Reduced
Morgan Stanley592$3.43K0.00%−1,005−62.9%Reduced
Strengthening Families & Communities, LLC490$2.84K0.00%00.0%Unchanged
Principal Securities, Inc.200$1.16K0.00%00.0%Unchanged
Stone House Investment Management, LLC160$9280.00%00.0%Unchanged
Bank of America Corp97$5630.00%+2+2.1%Added
Prelude Capital Management, LLC0$00.00%−10,219−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−1−100.0%Sold out
BlackRock Inc.––––Not filed