As of November 6, 2026, Amtech Systems Inc is a publicly traded company (Nasdaq: ASYS). The largest holder reporting an active stake on Schedule 13D is Piton Capital Partners LLC, at 20.6%. No bankruptcy or receivership appears in its SEC Form 8-K filings. Passive holders reporting on Schedule 13G include Wax Asset Management, LLC (9.2%), Orin Hirschman (7.2%), Wasatch (6.8%) (Schedule 13D/A, June 2, 2026).
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Is Amtech Systems Inc a real, registered company?
- Amtech Systems Inc files with the SEC under CIK 720500 (its SEC filings).
- Its shares are listed under the ticker ASYS on Nasdaq (SEC company record).
- Incorporated in Arizona; business address in Tempe, Arizona, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Amtech Systems Inc in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Robert C. Daigle, Chief Executive Officer (Form 8-K filed 2026-08-05). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Wasatch (filed 2026-10-09).
Who are Amtech Systems Inc's owners and officers?
Amtech Systems Inc: incorporated in Arizona; business address in Tempe, Arizona; industry Special Industry Machinery, NEC (Schedule 13G, 2026-10-09).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-10-09 | Wasatch Advisors LP | 6.8% |
| Schedule 13G/A, 2026-08-06 | First Eagle Investment Management, LLC | 4.9% |
| Schedule 13G, 2026-07-27 | Orin Hirschman | 7.2% |
| Schedule 13D/A, 2026-06-02 | Piton Capital Partners LLC | 20.6% |
| Schedule 13G/A, 2026-02-13 | Wax Asset Management, LLC | 9.2% |
| Schedule 13G/A, 2026-01-21 | Dimensional Fund Advisors LP | 4.7% |
Questions about who owns Amtech Systems Inc
Who owns Amtech Systems Inc?
On this page, 4 holders' latest ownership filings report 5% or more of Amtech Systems Inc: Piton Capital Partners LLC (20.6%, Schedule 13D/A, filed 2026-06-02), Wax Asset Management, LLC (9.2%, Schedule 13G/A, filed 2026-02-13), Orin Hirschman (7.2%, Schedule 13G, filed 2026-07-27) and Wasatch Advisors LP (6.8%, Schedule 13G, filed 2026-10-09).
Who are the largest shareholders of Amtech Systems Inc?
By the share each holder's latest filing reports, the largest holders of Amtech Systems Inc on this page are Piton Capital Partners LLC (20.6%), Wax Asset Management, LLC (9.2%) and Orin Hirschman (7.2%).
When did Piton Capital Partners LLC buy into Amtech Systems Inc?
The filings give report dates, not purchase dates. The earliest filing from Piton Capital Partners LLC on this page is the Schedule 13D/A, filed 2026-06-02, reporting 20.6%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 6 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-08-05 | Robert C. Daigle | Chief Executive Officer | departed | 2026-08-13 |
| Form 8-K, 2026-08-05 | Guy Shechter | Chief Executive Officer | appointed | |
| Form 8-K, 2026-08-05 | Guy Shechter | Chief Operating Officer | appointed | 2026-05-19 |
Which insiders own Amtech Systems Inc shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , a director and 10% owner: 2,986,341 shares (17.1% of shares outstanding), 725,341 held directly and 2,261,000 indirectly (Form 4, 2026-06-01).
- , the chairman and chief executive: 313,425 shares (1.8% of shares outstanding) (Form 4, 2025-05-16).
- , the chief executive and president: 53,450 shares (0.31% of shares outstanding) (Form 4, 2026-08-25).
- , a director: 38,569 shares (0.22% of shares outstanding) (Form 4, 2026-03-06).
- , a director: 33,069 shares (0.19% of shares outstanding) (Form 4, 2026-03-06).
Shares outstanding: 17,508,101 as of 2026-07-31, from the company's latest SEC cover page.
How much has Amtech Systems Inc raised?
No fundraising or offering filing from Amtech Systems Inc is on file with us.
Keep reading
More on Amtech Systems Inc and the records around it.
Amtech Systems Inc elsewhere on the record
- 5%+ stake filings Oct 2026
- Leadership changes Aug 2026
Companies that share a holder
- Piton Capital Partners LLC also filed stake reports on 1 other company: Gulf Island Fabrication, Inc. (Jan 2026)
- Wax Asset Management, LLC also filed stake reports on 6 other companies: CPS TECHNOLOGIES CORP (Feb 2026), FREQUENCY ELECTRONICS, INC (Feb 2026), Rocky Mountain Chocolate Factory, Inc (Feb 2026)
- First Eagle Investment Management, LLC also filed stake reports on 16 other companies: DENTSPLY SIRONA Inc. (Aug 2026), Quanterix Corp (Aug 2026), Warrior Met Coal Inc (Aug 2026)
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