- Type / Class
- Equity / Common Stock
- Shares outstanding
- 14,345,359
- Total 13F shares
- 4,798,776
- Share change
- -749,239
- Total reported value
- $23,178,100
- Put/Call ratio
- 1709%
- Price per share
- $4.83
- Number of holders
- 37
- Value change
- -$3,673,934
- Number of buys
- 24
- Number of sells
- 10
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.
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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 | |
| ROYCE & ASSOCIATES LP |
13F
13D/G
|
Company |
4.1%
from 13D/G
|
1,479,300
|
$8,062,185 | — | 31 Dec 2024 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
6.5%
|
931,198
|
$5,075,176 | — | 31 Dec 2024 | |
| First Eagle Investment Management, LLC |
13F
|
Company |
5.8%
|
834,922
|
$4,550,325 | — | 31 Dec 2024 | |
| VANGUARD GROUP INC |
13F
|
Company |
4.7%
|
670,784
|
$3,655,773 | — | 31 Dec 2024 | |
| Pacific Ridge Capital Partners, LLC |
13F
13D/G
|
Company |
4.6%
from 13D/G
|
652,393
|
$3,555,542 | — | 31 Dec 2024 | |
| Jong S. Whang |
3/4/5
|
Director |
—
class O/S missing
|
70,681
|
$903,303 | — | 23 Aug 2022 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.93%
|
132,756
|
$723,717 | — | 31 Dec 2024 | |
| BlackRock, Inc. |
13F
|
Company |
0.84%
|
120,520
|
$656,834 | — | 31 Dec 2024 | |
| Ancora Advisors LLC |
13F
|
Company |
0.77%
|
110,615
|
$602,852 | — | 31 Dec 2024 | |
| Kovack Advisors, Inc. |
13F
|
Company |
0.46%
|
65,500
|
$356,975 | — | 31 Dec 2024 | |
| STATE STREET CORP |
13F
|
Company |
0.38%
|
54,790
|
$298,606 | — | 31 Dec 2024 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.31%
|
44,816
|
$244,247 | — | 31 Dec 2024 | |
| WealthTrust Axiom LLC |
13F
|
Company |
0.3%
|
43,624
|
$237,750 | — | 31 Dec 2024 | |
| KENNEDY CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.3%
|
42,325
|
$230,671 | — | 31 Dec 2024 | |
| AMH Equity Ltd |
13F
|
Company |
0.29%
|
41,175
|
$224,404 | — | 31 Dec 2024 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.28%
|
40,256
|
$219,395 | — | 31 Dec 2024 | |
| Hillsdale Investment Management Inc. |
13F
|
Company |
0.26%
|
37,200
|
$202,740 | — | 31 Dec 2024 | |
| COMMONWEALTH EQUITY SERVICES, LLC |
13F
|
Company |
0.26%
|
37,000
|
$202,000 | — | 31 Dec 2024 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.25%
|
35,600
|
$194,020 | — | 31 Dec 2024 | |
| Michael Whang |
3/4/5
|
Chief Executive Officer, Director |
—
mixed-class rows
|
43,499
mixed-class rows
|
$190,886 | — | 01 Dec 2022 | |
| 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 | |
| IRONWOOD INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.2%
|
27,988
|
$152,535 | — | 31 Dec 2024 | |
| Janney Montgomery Scott LLC |
13F
|
Company |
0.19%
|
26,700
|
$146,000 | — | 31 Dec 2024 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.16%
|
22,706
|
$123,748 | — | 31 Dec 2024 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
0.16%
|
22,320
|
$120,000 | — | 31 Dec 2024 | |
| VILLERE ST DENIS J & CO LLC |
13F
|
Company |
0.14%
|
20,000
|
$109,000 | — | 31 Dec 2024 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.09%
|
13,005
|
$70,877 | — | 31 Dec 2024 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.09%
|
12,769
|
$69,591 | — | 31 Dec 2024 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.08%
|
11,700
|
$63,765 | — | 31 Dec 2024 | |
| Engineers Gate Manager LP |
13F
|
Company |
0.08%
|
11,337
|
$61,787 | — | 31 Dec 2024 | |
| Sukesh Mohan Power |
3/4/5
|
Director |
—
class O/S missing
|
6,000
|
$42,060 | — | 02 Mar 2022 | |
| OSAIC HOLDINGS, INC. |
13F
|
Company |
0.01%
|
1,400
|
$7,630 | — | 31 Dec 2024 | |
| UBS Group AG |
13F
|
Company |
0.01%
|
1,223
|
$6,665 | — | 31 Dec 2024 | |
| Tower Research Capital LLC (TRC) |
13F
|
Company |
0.01%
|
855
|
$4,660 | — | 31 Dec 2024 | |
| SIMPLEX TRADING, LLC |
13F
|
Company |
0%
|
567
|
$3,000 | — | 31 Dec 2024 | |
| SBI Securities Co., Ltd. |
13F
|
Company |
0%
|
210
|
$1,145 | — | 31 Dec 2024 | |
| PRINCIPAL SECURITIES, INC. |
13F
|
Company |
0%
|
200
|
$1,090 | — | 31 Dec 2024 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0%
|
164
|
$1,000 | — | 31 Dec 2024 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0%
|
97
|
$529 | — | 31 Dec 2024 |
Institutional Holders of AMTECH SYSTEMS INC - Common Stock (ASYS) as of Q1 2025
As of 31 Mar 2025,
AMTECH SYSTEMS INC - Common Stock (ASYS) was held by
37 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
4,798,776 shares.
The largest 10 holders included
DIMENSIONAL FUND ADVISORS LP, First Eagle Investment Management, LLC, VANGUARD GROUP INC, Pacific Ridge Capital Partners, LLC, ROYCE & ASSOCIATES LP, GEODE CAPITAL MANAGEMENT, LLC, BlackRock, Inc., Ancora Advisors LLC, AMH Equity Ltd, and Kovack Advisors, Inc..
This page lists
37
institutional shareholders reporting positions in this security
for the Q1 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2025 vs Q4 2024 Across Filers
Q4 2024 holders
35
Q1 2025 holders
37
Holder diff
2
| Investor | Q4 2024 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q4 2024 Value $ | Q1 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.