Security key
032332504
AMTECH SYSTEMS INC - Common Stock, $0.01 Par Value Per Share (ASYS)
CUSIP: 032332504
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / Common Stock, $0.01 Par Value Per Share
- Total 13F shares
- 4,545,270
- Total 13F value
- $42,085,951
- Share change
- +449,751
- SEC-reported price per share
- $9.26
- Number of holders
- 53
- Value change
- +$4,703,455
- Number of buys
- 32
- Number of sells
- 23
- Shares outstanding
- 14,496,801
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2025
Institutions
53
Top holders
10
ASYS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Previous quarter: Q2 2025
AMTECH SYSTEMS INC SEC filings
AMTECH SYSTEMS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 032332504
Recent filing periods:
Ownership snapshot
Top reported holders of ASYS - AMTECH SYSTEMS INC - Common Stock, $0.01 Par Value Per Share (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
Pacific Ridge Capital Par...
Disclosed value leader
DIMENSIONAL FUND ADVISORS LP
Comparable rows
15/15
Latest evidence
30 Jun 2025
13F
13D/G
Lead comparable stake: 4.6%
13D/G row: Pacific Ridge Capital Partners, LLC
Showing 1-6 of 15 holder rows.
Quick read
Pacific Ridge Capital Partners, LLC leads the comparable SEC ownership view at 4.6%.
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 Pacific Ridge Capital Partners, LLC's linked filing trail.
Comparable ownership
Top 5
Pacific Ridge Capital Partners, LLC
4.6%
ROYCE & ASSOCIATES LP
4.1%
DIMENSIONAL FUND ADVISORS LP
6.3%
First Eagle Investment Management...
5.5%
VANGUARD GROUP INC
4.5%
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 |
|---|---|---|---|---|---|
| Pacific Ridge Capital Partners, LLC |
13F
13D/G
Company
|
4.6%
from 13D/G
|
$2,936,469
661,367 shares
|
— | 30 Jun 2025 |
| ROYCE & ASSOCIATES LP |
13D/G
|
4.1%
|
$2,087,350
587,986 shares
|
-$3,164,165 | 31 Mar 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
6.3%
|
$4,038,893
909,566 shares
|
— | 30 Jun 2025 |
| First Eagle Investment Management, LLC |
13F
Company
|
5.5%
|
$3,553,696
800,382 shares
|
— | 30 Jun 2025 |
| VANGUARD GROUP INC |
13F
Company
|
4.5%
|
$2,925,547
658,907 shares
|
— | 30 Jun 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.94%
|
$605,632
136,374 shares
|
— | 30 Jun 2025 |
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 Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
53
Shares
4,545,270
Rows available
53
| 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 Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
36
Q3 2025 holders
53
Holder diff
17
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend