AMTECH SYSTEMS INC - Common Stock (ASYS)

CUSIP: 032332504

Q2 2026 13F Holders as of 30 Jun 2026

Holder snapshot 7 signals
Share change
+2,993,036
Put/Call ratio
31%
SEC-reported price per share
$23.08
Number of holders
113
Value change
+$75,829,591
Number of buys
85
Open additional details 1 more signal available
Number of sells
32
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
17,320,347

Security key

032332504

Report period

Q2 2026

Institutions

113

Top holders

10

Ownership snapshot

Top reported holders of ASYS - AMTECH SYSTEMS INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
PITON CAPITAL PARTNERS LLC
Disclosed value leader
PITON CAPITAL PARTNERS LLC
Comparable rows
15/15
Latest evidence
30 Jun 2026
13D/G 13F Lead comparable stake: 21% 13D/G row: PITON CAPITAL PARTNERS LLC Showing 1-6 of 15 holder rows.

Quick read

PITON CAPITAL PARTNERS LLC leads the comparable SEC ownership view at 21%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens PITON CAPITAL PARTNERS LLC's linked filing trail.
Comparable ownership Top 5
PITON CAPITAL PARTNERS LLC 21%
Wax Asset Management, LLC 9.2%
Orin Hirschman 7.2%
First Eagle Investment Management... 4.9%
DIMENSIONAL FUND ADVISORS LP 4.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
PITON CAPITAL PARTNERS LLC
13D/G
Robert Averick
21%
$64,176,468
2,986,341 shares
+$1,971,772 01 Jun 2026
Wax Asset Management, LLC
13D/G
9.2%
$17,091,060
1,319,773 shares
-$12,194,665 31 Dec 2025
Orin Hirschman
13D/G
7.2%
$28,896,160
1,252,000 shares
$0 30 Jun 2026
First Eagle Investment Management, LLC
13D/G 13F
Company
4.9%
$15,845,173
848,697 shares
$0 30 Jun 2026
DIMENSIONAL FUND ADVISORS LP
13D/G 13F
Company
4.7%
$8,434,943
672,107 shares
$0 31 Dec 2025
Pacific Ridge Capital Partners, LLC
13F 13D/G
Company
4.6%
from 13D/G
$4,734,733
405,371 shares
31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
113
Shares
10,472,496
Rows available
113
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2026 vs Q1 2026 Across Filers

Q1 2026 holders
79
Q2 2026 holders
113
Holder diff
34
Investor Q1 2026 Shares Q2 2026 Shares Share Diff Share Chg % Q1 2026 value Q2 2026 value Value change Value Chg %
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