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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, Q1 2024

Institutional positions in Amtech Systems Inc as of Mar 31, 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
41
−4 vs. Q4 2023
Shares held
6.26M
+96.1K (+1.6%) vs. Q4 2023
Total value
$33.9M
+$7.95M (+30.7%) vs. Q4 2023
New holders
5
12 more added
Sold out
9
15 more reduced

Compare with Q4 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 holdersQ1 2024: 41 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 2024: $33.9M
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, Q1 2024

Shares, value and share of portfolio for each institution holding Amtech Systems Inc; share changes are against Q4 2023.

Institutions holding ASYS in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Royce & Associates LP1,606,946$8.69M0.08%+163,866+11.4%Added
Dimensional Fund Advisors LP1,020,592$5.52M0.00%−102,084−9.1%Reduced
Pacific Ridge Capital Partners, LLC739,821$4.00M0.88%−14,555−1.9%Reduced
Vanguard Group Inc674,175$3.65M0.00%00.0%Unchanged
First Eagle Investment Management, LLC598,045$3.24M0.01%+16,090+2.8%Added
AMH Equity Ltd300,000$1.62M1.79%+210,339+234.6%Added
Kennedy Capital Management, Inc.208,682$1.13M0.02%−16,057−7.1%Reduced
Ancora Advisors, LLC152,310$824.0K0.02%00.0%Unchanged
Geode Capital Management, LLC119,874$648.7K0.00%+5,730+5.0%Added
BlackRock Inc.118,030$638.5K0.00%−14,935−11.2%Reduced
Brandywine Global Investment Management, LLC105,774$572.2K0.00%00.0%Unchanged
Toroso Investments, LLC69,232$374.5K0.01%+69,232New
Citadel Advisors LLC66,415$359.3K0.00%+20,158+43.6%Added
State Street Corp50,490$273.2K0.00%+10,900+27.5%Added
Bridgeway Capital Management, LLC47,400$256.4K0.01%−22,200−31.9%Reduced
WealthTrust Axiom LLC44,308$239.7K0.08%−82−0.2%Reduced
Kovack Advisors, Inc.37,000$200.2K0.02%+15,200+69.7%Added
Commonwealth Equity Services, LLC37,000$200.0K0.00%00.0%Unchanged
Northern Trust Corp31,413$169.9K0.00%−1,836−5.5%Reduced
Susquehanna International Group, LLP31,193$168.8K0.00%−25,237−44.7%Reduced
Ironwood Investment Management LLC28,226$152.7K0.07%+235+0.8%Added
Janney Montgomery Scott LLC26,700$144.0K0.00%00.0%Unchanged
Millennium Management LLC26,090$141.1K0.00%+14,052+116.7%Added
Marshall Wace, LLP20,797$112.5K0.00%+20,797New
Prelude Capital Management, LLC20,036$108.4K0.01%+20,036New
Villere St Denis J & Co LLC20,000$108.2K0.01%+20,000New
Acadian Asset Management LLC15,485$83.0K0.00%+1,457+10.4%Added
Royal Bank of Canada13,400$72.0K0.00%−3,100−18.8%Reduced
Occudo Quantitative Strategies LP10,076$54.5K0.01%+10,076New
UBS Group AG7,451$40.3K0.00%+6,844+1,127.5%Added
Firsthand Capital Management, Inc.6,600$35.7K0.06%00.0%Unchanged
Tower Research Capital LLC (TRC)1,989$10.8K0.00%−497−20.0%Reduced
Morgan Stanley1,306$7.07K0.00%−1,622−55.4%Reduced
Group One Trading, L.P.1,052$5.69K0.00%−1,000−48.7%Reduced
Qube Research & Technologies Ltd854$4.62K0.00%−780−47.7%Reduced
Strengthening Families & Communities, LLC490$3.00K0.00%00.0%Unchanged
Rhumbline Advisers492$2.66K0.00%00.0%Unchanged
Principal Securities, Inc.200$1.08K0.00%00.0%Unchanged
Wells Fargo & Company90$4870.00%+2+2.3%Added
FMR LLC51$2750.00%−512−90.9%Reduced
Advisor Group Holdings, Inc.4$220.00%−3−42.9%Reduced
Essex Investment Management Co LLC0$00.00%−143,375−100.0%Sold out
Legato Capital Management LLC0$00.00%−56,824−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−48,271−100.0%Sold out
Prescott Group Capital Management, L.L.C.0$00.00%−20,000−100.0%Sold out
Wolverine Trading, LLC0$00.00%−13,550−100.0%Sold out
O'Shaughnessy Asset Management, LLC0$00.00%−13,104−100.0%Sold out
Victory Capital Management Inc0$00.00%−9,231−100.0%Sold out
Focused Wealth Management, Inc0$00.00%−20−100.0%Sold out
Bank of America Corp0$00.00%−14−100.0%Sold out