- Type / Class
- Equity / Common Stock
- Shares outstanding
- 14,345,359
- Total 13F shares
- 4,095,519
- Share change
- -703,257
- Total reported value
- $18,183,948
- Put/Call ratio
- 0%
- Price per share
- $4.44
- Number of holders
- 36
- Value change
- -$3,413,239
- Number of buys
- 17
- Number of sells
- 16
Quarterly Holders Quick Answers
What is CUSIP 032332504?
CUSIP 032332504 identifies ASYS - AMTECH SYSTEMS INC - Common Stock in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Next holder-history checks
These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 032332504:
Top shareholders of ASYS - AMTECH SYSTEMS INC - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| PITON CAPITAL PARTNERS LLC |
13D/G
|
Robert Averick |
20%
|
2,894,588
|
$10,275,787 | $0 | 13 Feb 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
6.5%
|
927,626
|
$4,480,769 | — | 31 Mar 2025 | |
| First Eagle Investment Management, LLC |
13F
|
Company |
5.9%
|
841,922
|
$4,066,483 | — | 31 Mar 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
4.7%
|
670,784
|
$3,239,887 | — | 31 Mar 2025 | |
| Pacific Ridge Capital Partners, LLC |
13F
13D/G
|
Company |
4.6%
from 13D/G
|
621,035
|
$2,999,599 | — | 31 Mar 2025 | |
| ROYCE & ASSOCIATES LP |
13F
13D/G
|
Company |
4.1%
from 13D/G
|
587,986
|
$2,839,972 | — | 31 Mar 2025 | |
| Jong S. Whang |
3/4/5
|
Director |
—
class O/S missing
|
70,681
|
$903,303 | — | 23 Aug 2022 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.95%
|
136,510
|
$659,519 | — | 31 Mar 2025 | |
| BlackRock, Inc. |
13F
|
Company |
0.84%
|
119,971
|
$579,460 | — | 31 Mar 2025 | |
| Ancora Advisors LLC |
13F
|
Company |
0.77%
|
111,022
|
$536,237 | — | 31 Mar 2025 | |
| AMH Equity Ltd |
13F
|
Company |
0.68%
|
97,583
|
$471,326 | — | 31 Mar 2025 | |
| Kovack Advisors, Inc. |
13F
|
Company |
0.53%
|
75,400
|
$364,182 | — | 31 Mar 2025 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.45%
|
64,800
|
$312,984 | — | 31 Mar 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.38%
|
54,790
|
$264,636 | — | 31 Mar 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.33%
|
46,767
|
$225,885 | — | 31 Mar 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.31%
|
44,406
|
$214,481 | — | 31 Mar 2025 | |
| WealthTrust Axiom LLC |
13F
|
Company |
0.3%
|
43,624
|
$210,703 | — | 31 Mar 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
0.3%
|
42,584
|
$204,000 | — | 31 Mar 2025 | |
| Michael Whang |
3/4/5
|
Chief Executive Officer, Director |
—
mixed-class rows
|
43,499
mixed-class rows
|
$190,886 | — | 01 Dec 2022 | |
| COMMONWEALTH EQUITY SERVICES, LLC |
13F
|
Company |
0.27%
|
38,500
|
$186,000 | — | 31 Mar 2025 | |
| Wade Michael Jenke |
3/4/5
|
Chief Financial Officer |
—
mixed-class rows
|
55,000
mixed-class rows
|
$180,000 | — | 19 Mar 2025 | |
| Lisa D. Gibbs |
3/4/5
|
VP and Chief Financial Officer, Director |
—
class O/S missing
|
30,000
|
$180,000 | — | 15 Mar 2024 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.24%
|
34,000
|
$164,000 | — | 31 Mar 2025 | |
| Sowell Financial Services LLC |
13F
|
Company |
0.23%
|
32,883
|
$158,825 | — | 31 Mar 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.21%
|
30,066
|
$145,219 | — | 31 Mar 2025 | |
| Hillsdale Investment Management Inc. |
13F
|
Company |
0.2%
|
28,200
|
$136,206 | — | 31 Mar 2025 | |
| Janney Montgomery Scott LLC |
13F
|
Company |
0.19%
|
26,700
|
$129,000 | — | 31 Mar 2025 | |
| IRONWOOD INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.18%
|
26,291
|
$126,986 | — | 31 Mar 2025 | |
| VILLERE ST DENIS J & CO LLC |
13F
|
Company |
0.14%
|
20,000
|
$96,600 | — | 31 Mar 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.11%
|
16,260
|
$78,536 | — | 31 Mar 2025 | |
| Williams & Novak, LLC |
13F
|
Company |
0.1%
|
14,735
|
$70,875 | — | 31 Mar 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.09%
|
12,700
|
$61,341 | — | 31 Mar 2025 | |
| GSA CAPITAL PARTNERS LLP |
13F
|
Company |
0.08%
|
12,116
|
$59,000 | — | 31 Mar 2025 | |
| WOLVERINE TRADING, LLC |
13F
|
Company |
0.08%
|
10,984
|
$54,810 | — | 31 Mar 2025 | |
| Sukesh Mohan Power |
3/4/5
|
Director |
—
class O/S missing
|
6,000
|
$42,060 | — | 02 Mar 2022 | |
| SIMPLEX TRADING, LLC |
13F
|
Company |
0.02%
|
3,468
|
$16,000 | — | 31 Mar 2025 | |
| OSAIC HOLDINGS, INC. |
13F
|
Company |
0.01%
|
1,700
|
$8,211 | — | 31 Mar 2025 | |
| Tower Research Capital LLC (TRC) |
13F
|
Company |
0.01%
|
1,525
|
$7,366 | — | 31 Mar 2025 | |
| UBS Group AG |
13F
|
Company |
0.01%
|
1,223
|
$5,907 | — | 31 Mar 2025 | |
| SBI Securities Co., Ltd. |
13F
|
Company |
0%
|
231
|
$1,116 | — | 31 Mar 2025 | |
| PRINCIPAL SECURITIES, INC. |
13F
|
Company |
0%
|
200
|
$1,090 | — | 31 Mar 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0%
|
102
|
$493 | — | 31 Mar 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0%
|
82
|
$396 | — | 31 Mar 2025 |
Institutional Holders of AMTECH SYSTEMS INC - Common Stock (ASYS) as of Q2 2025
As of 30 Jun 2025,
AMTECH SYSTEMS INC - Common Stock (ASYS) was held by
36 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
4,095,519 shares.
The largest 10 holders included
DIMENSIONAL FUND ADVISORS LP, First Eagle Investment Management, LLC, Pacific Ridge Capital Partners, LLC, VANGUARD GROUP INC, GEODE CAPITAL MANAGEMENT, LLC, BlackRock, Inc., Ancora Advisors LLC, Kovack Advisors, Inc., BRIDGEWAY CAPITAL MANAGEMENT, LLC, and STATE STREET CORP.
This page lists
36
institutional shareholders reporting positions in this security
for the Q2 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
37
Q2 2025 holders
36
Holder diff
-1
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 Value $ | Q2 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.