- Type / Class
- Equity / Common Stock
- Shares outstanding
- 14,345,359
- Total 13F shares
- 6,673,059
- Share change
- -407,110
- Total reported value
- $64,368,000
- Put/Call ratio
- 93%
- Price per share
- $9.64
- Number of holders
- 54
- Value change
- -$6,221,590
- Number of buys
- 27
- Number of sells
- 38
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 |
|---|---|---|---|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
7.4%
|
1,063,234
|
$12,567,000 | — | 31 Mar 2021 | |
| Pacific Ridge Capital Partners, LLC |
13F
|
Company |
6.5%
|
938,182
|
$11,089,000 | — | 31 Mar 2021 | |
| Brandywine Global Investment Management, LLC |
13F
|
Company |
4%
|
575,497
|
$6,802,000 | — | 31 Mar 2021 | |
| VANGUARD GROUP INC |
13F
|
Company |
3.8%
|
539,929
|
$6,382,000 | — | 31 Mar 2021 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
3.7%
|
527,666
|
$6,237,000 | — | 31 Mar 2021 | |
| Portolan Capital Management, LLC |
13F
|
Company |
2.5%
|
358,149
|
$4,233,000 | — | 31 Mar 2021 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
1.9%
|
267,767
|
$3,162,000 | — | 31 Mar 2021 | |
| CANNELL CAPITAL LLC |
13F
|
Company |
1.8%
|
257,172
|
$3,040,000 | — | 31 Mar 2021 | |
| BlackRock Finance, Inc. |
13F
|
Company |
1.2%
|
166,364
|
$1,967,000 | — | 31 Mar 2021 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
1%
|
147,219
|
$1,740,000 | — | 31 Mar 2021 | |
| ESSEX INVESTMENT MANAGEMENT CO LLC |
13F
|
Company |
1%
|
147,204
|
$1,740,000 | — | 31 Mar 2021 | |
| Ancora Advisors LLC |
13F
|
Company |
1%
|
147,093
|
$1,738,000 | — | 31 Mar 2021 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
1%
|
145,096
|
$1,715,000 | — | 31 Mar 2021 | |
| Informed Momentum Co LLC |
13F
|
Company |
0.99%
|
142,121
|
$1,680,000 | — | 31 Mar 2021 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.94%
|
134,800
|
$1,593,000 | — | 31 Mar 2021 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
0.84%
|
120,938
|
$1,429,000 | — | 31 Mar 2021 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
0.77%
|
110,623
|
$1,308,000 | — | 31 Mar 2021 | |
| Ibex Investors LLC |
13F
|
Company |
0.74%
|
105,896
|
$1,252,000 | — | 31 Mar 2021 | |
| Roubaix Capital, LLC |
13F
|
Company |
0.69%
|
98,885
|
$1,169,000 | — | 31 Mar 2021 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.69%
|
98,376
|
$1,162,000 | — | 31 Mar 2021 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.65%
|
93,506
|
$1,105,000 | — | 31 Mar 2021 | |
| BARINGS LLC |
13F
|
Company |
0.62%
|
88,808
|
$1,050,000 | — | 31 Mar 2021 | |
| ClariVest Asset Management LLC |
13F
|
Company |
0.58%
|
82,800
|
$978,000 | — | 31 Mar 2021 | |
| WHITE PINE CAPITAL LLC |
13F
|
Company |
0.42%
|
60,451
|
$715,000 | — | 31 Mar 2021 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
0.42%
|
60,251
|
$712,000 | — | 31 Mar 2021 | |
| Boston Partners |
13F
|
Company |
0.38%
|
53,916
|
$637,000 | — | 31 Mar 2021 | |
| WealthTrust Axiom LLC |
13F
|
Company |
0.33%
|
47,381
|
$560,000 | — | 31 Mar 2021 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.32%
|
46,400
|
$548,000 | — | 31 Mar 2021 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.32%
|
46,259
|
$547,000 | — | 31 Mar 2021 | |
| COMMONWEALTH EQUITY SERVICES, LLC |
13F
|
Company |
0.26%
|
37,049
|
$437,000 | — | 31 Mar 2021 | |
| Hillsdale Investment Management Inc. |
13F
|
Company |
0.25%
|
36,411
|
$431,000 | — | 31 Mar 2021 | |
| PRELUDE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.22%
|
31,788
|
$376,000 | — | 31 Mar 2021 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.22%
|
31,120
|
$368,000 | — | 31 Mar 2021 | |
| IRONWOOD INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.22%
|
30,849
|
$365,000 | — | 31 Mar 2021 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.2%
|
28,420
|
$336,000 | — | 31 Mar 2021 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
0.19%
|
27,546
|
$326,000 | — | 31 Mar 2021 | |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM |
13F
|
Company |
0.16%
|
23,267
|
$275,000 | — | 31 Mar 2021 | |
| WINTON GROUP Ltd |
13F
|
Company |
0.16%
|
22,789
|
$269,000 | — | 31 Mar 2021 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.15%
|
21,913
|
$259,000 | — | 31 Mar 2021 | |
| Quadrature Capital Ltd |
13F
|
Company |
0.14%
|
20,421
|
$243,000 | — | 31 Mar 2021 | |
| Marshall Wace North America L.P. |
13F
|
Company |
0.13%
|
18,464
|
$218,000 | — | 31 Mar 2021 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.12%
|
17,442
|
$206,000 | — | 31 Mar 2021 | |
| Cubist Systematic Strategies, LLC |
13F
|
Company |
0.08%
|
12,141
|
$144,000 | — | 31 Mar 2021 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
0.07%
|
10,240
|
$121,000 | — | 31 Mar 2021 | |
| UBS Group AG |
13F
|
Company |
0.07%
|
10,000
|
$118,000 | — | 31 Mar 2021 | |
| Alpha Paradigm Partners, LLC |
13F
|
Company |
0.05%
|
7,054
|
$83,000 | — | 31 Mar 2021 | |
| SIMPLEX TRADING, LLC |
13F
|
Company |
0.04%
|
5,656
|
$66,000 | — | 31 Mar 2021 | |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC |
13F
|
Company |
0.04%
|
5,594
|
$66,000 | — | 31 Mar 2021 | |
| EARNEST PARTNERS LLC |
13F
|
Company |
0.01%
|
1,700
|
$20,000 | — | 31 Mar 2021 | |
| MORGAN STANLEY |
13F
|
Company |
0.01%
|
1,440
|
$17,000 | — | 31 Mar 2021 |
Institutional Holders of AMTECH SYSTEMS INC - Common Stock (ASYS) as of Q2 2021
As of 30 Jun 2021,
AMTECH SYSTEMS INC - Common Stock (ASYS) was held by
54 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
6,673,059 shares.
The largest 10 holders included
DIMENSIONAL FUND ADVISORS LP, Pacific Ridge Capital Partners, LLC, ROYCE & ASSOCIATES LP, Brandywine Global Investment Management, LLC, VANGUARD GROUP INC, BOOTHBAY FUND MANAGEMENT, LLC, RENAISSANCE TECHNOLOGIES LLC, ESSEX INVESTMENT MANAGEMENT CO LLC, BlackRock Inc., and TWO SIGMA INVESTMENTS, LP.
This page lists
54
institutional shareholders reporting positions in this security
for the Q2 2021 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q2 2021 vs Q1 2021 Across Filers
Q1 2021 holders
63
Q2 2021 holders
54
Holder diff
-9
| Investor | Q1 2021 Shares | Q2 2021 Shares | Share Diff | Share Chg % | Q1 2021 Value $ | Q2 2021 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.