Free Trial

Amtech Systems (ASYS) Institutional Ownership

Amtech Systems logo
$22.08 0.00 (0.00%)
Closing price 05/22/2026 04:00 PM Eastern
Extended Trading
$21.93 -0.15 (-0.70%)
As of 05/22/2026 07:51 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Institutional Ownership Changes (13F Filings) for Amtech Systems (NASDAQ:ASYS)

Current
Institutional Ownership
Percentage
50.21%
Number of
Institutional Buyers
(last 12 months)
43
Total
Institutional Inflows
(last 12 months)
$21.12M
Number of
Institutional Sellers
(last 12 months)
10
Total
Institutional Outflows
(last 12 months)
$8.03M
Get ASYS Insider Trade Alerts

Want to know when executives and insiders are buying or selling Amtech Systems stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

ASYS Institutional Buying and Selling by Quarter

Amtech Systems Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/19/2026 Bank of America Corp DE22,652$265K0.0%+28,941.0%0.156%
5/18/2026 Empowered Funds LLC32,318$377K0.0%+9.5%0.223%
5/15/2026 OMERS ADMINISTRATION Corp10,400$121K0.0%-37.3%0.072%
5/14/2026 Renaissance Technologies LLC108,096$1.26M0.0%-26.3%0.745%
5/14/2026 Arrowstreet Capital Limited Partnership365,387$4.27M0.0%+5.3%2.520%
5/14/2026 Sei Investments Co.92,515$1.08M0.0%+104.5%0.638%
5/14/2026 Walleye Capital LLC12,197$142K0.0%N/A0.084%
5/14/2026 State of Wyoming23,688$277K0.0%N/A0.163%
5/7/2026 Dimensional Fund Advisors LP529,351$6.18M0.0%-21.2%3.675%
5/5/2026 Hillsdale Investment Management Inc.25,300$296K0.0%N/A0.176%
2/18/2026 Empowered Funds LLC29,518$370K0.0%N/A0.205%
2/18/2026 XTX Topco Ltd69,381$871K0.0%+568.1%0.481%
2/18/2026 Quadrature Capital Ltd30,542$383K0.0%N/A0.212%
2/18/2026 Occudo Quantitative Strategies LP21,293$267K0.0%N/A0.148%
2/18/2026 Millennium Management LLC22,748$285K0.0%+90.4%0.158%
2/18/2026 Bridgeway Capital Management LLC96,318$1.21M0.0%+48.6%0.668%
2/17/2026 Kovack Advisors Inc.22,000$276K0.0%-31.6%0.153%
2/17/2026 Trexquant Investment LP89,365$1.12M0.0%N/A0.620%
2/17/2026 Jump Financial LLC30,300$380K0.0%N/A0.210%
2/17/2026 Graham Capital Management L.P.12,608$158K0.0%N/A0.087%
2/16/2026 Squarepoint Ops LLC16,677$209K0.0%N/A0.116%
2/16/2026 OMERS ADMINISTRATION Corp16,600$208K0.0%N/A0.115%
2/16/2026 WealthTrust Axiom LLC11,300$142K0.0%-68.4%0.078%
2/16/2026 Barclays PLC12,698$159K0.0%+42,226.7%0.088%
2/13/2026 Kestra Advisory Services LLC7,050$88K0.0%N/A0.049%
2/13/2026 Marshall Wace LLP352,624$4.43M0.0%+235.0%2.447%
2/13/2026 Hudson Bay Capital Management LP21,553$270K0.0%N/A0.150%
2/13/2026 State Street Corp62,790$788K0.0%+14.6%0.436%
2/12/2026 Jane Street Group LLC325,754$4.09M0.0%+85.7%2.261%
2/12/2026 Renaissance Technologies LLC146,596$1.84M0.0%+622.1%1.017%
2/12/2026 Dimensional Fund Advisors LP672,107$8.44M0.0%-20.9%4.664%
2/12/2026 Informed Momentum Co LLC74,305$933K0.1%N/A0.516%
2/12/2026 Kovack Advisors Inc.22,000$268K0.0%-31.6%0.153%
2/11/2026 Empowered Funds LLC29,518$370K0.0%N/A0.205%
2/11/2026 Janney Montgomery Scott LLC30,760$386K0.0%+15.2%0.214%
2/11/2026 O Shaughnessy Asset Management LLC60,963$765K0.0%N/A0.423%
2/10/2026 Goldman Sachs Group Inc.78,693$988K0.0%+151.8%0.546%
2/9/2026 Geode Capital Management LLC133,001$1.67M0.0%+1.3%0.923%
2/4/2026 Pacific Ridge Capital Partners LLC627,811$7.88M1.7%-2.9%4.360%
2/4/2026 First Eagle Investment Management LLC734,346$9.22M0.0%-2.4%5.100%
One page of the SpaceX S-1 will move this stock overnight (Ad)

When SpaceX files its S-1 in June, the SEC will require full disclosure of operating expenses - including power consumption for 1 million GPUs, a cost that rivals entire cities. That disclosure will name the supplier. One small, publicly traded power infrastructure company sits at the center of this - carrying a $1.5 billion backlog and priced like a utility. Dylan Jovine has the full breakdown.tc pixel

See the stock the S-1 revealed >>
1/26/2026 Merit Financial Group LLC37,000$464K0.0%N/A0.258%
1/23/2026 Ritholtz Wealth Management39,572$497K0.0%N/A0.276%
1/21/2026 Sowell Financial Services LLC16,156$203K0.0%N/A0.113%
11/17/2025 NewEdge Advisors LLC14,600$135K0.0%N/A0.102%
11/17/2025 Wexford Capital LP18,808$174K0.0%N/A0.131%
11/17/2025 Millennium Management LLC11,946$111K0.0%N/A0.083%
11/17/2025 Citadel Advisors LLC78,454$726K0.0%+39.6%0.548%
11/17/2025 Brevan Howard Capital Management LP18,000$167K0.0%N/A0.126%
11/14/2025 Ancora Advisors LLC35,247$326K0.0%-68.3%0.246%
11/14/2025EHP Funds Inc.25,242$234K0.2%N/A0.176%
11/13/2025 Arrowstreet Capital Limited Partnership182,429$1.69M0.0%N/A1.274%
11/12/2025 Dimensional Fund Advisors LP849,815$7.87M0.0%-6.6%5.937%
11/12/2025 First Eagle Investment Management LLC752,346$6.97M0.0%-6.0%5.256%
11/12/2025 Pacific Ridge Capital Partners LLC646,489$5.99M1.3%-2.2%4.516%
11/10/2025 Kovack Advisors Inc.32,150$298K0.0%-56.0%0.225%
11/7/2025 GSA Capital Partners LLP33,817$313K0.0%-23.9%0.236%
11/7/2025Vanguard Group Inc.676,006$6.26M0.0%+2.6%4.723%
11/6/2025 Essex Investment Management Co. LLC37,816$350K0.1%N/A0.264%
11/5/2025 Thompson Davis & CO. Inc.13,250$123K0.1%N/A0.093%
10/31/2025 James Investment Research Inc.14,600$135K0.0%N/A0.102%
10/30/2025 Williams & Novak LLC10,250$95K0.1%-44.2%0.072%
10/27/2025 GWN Securities Inc.20,423$189K0.0%N/A0.143%
8/12/2025 XTX Topco Ltd23,606$105K0.0%N/A0.165%
8/6/2025 First Eagle Investment Management LLC800,382$3.55M0.0%-4.9%5.593%
8/4/2025 Kovack Advisors Inc.73,000$324K0.0%-3.2%0.510%
7/24/2025 Williams & Novak LLC18,385$82K0.1%+24.8%0.128%
6/27/2025 Goldman Sachs Group Inc.30,066$145K0.0%+135.5%0.210%
5/21/2025Acadian Asset Management LLC42,584$204K0.0%+90.8%0.297%
5/16/2025Goldman Sachs Group Inc.30,066$145K0.0%+135.5%0.210%
5/9/2025Pacific Ridge Capital Partners LLC621,035$3M0.8%-4.8%4.346%
5/6/2025Royce & Associates LP587,986$2.84M0.0%-60.3%4.115%
5/6/2025Kovack Advisors Inc.75,400$364K0.0%+15.1%0.528%
5/5/2025AMH Equity Ltd97,583$471K0.7%+137.0%0.683%
4/17/2025Sowell Financial Services LLC32,883$159K0.0%N/A0.230%
2/17/2025Squarepoint Ops LLC13,005$71K0.0%N/A0.091%
2/17/2025Millennium Management LLC22,706$124K0.0%+82.7%0.159%
2/17/2025Bridgeway Capital Management LLC35,600$194K0.0%-4.8%0.249%
2/14/2025Northern Trust Corp44,816$244K0.0%+31.7%0.314%
2/14/2025Dimensional Fund Advisors LP931,198$5.08M0.0%+0.8%6.517%
2/13/2025Kennedy Capital Management LLC42,325$231K0.0%-56.0%0.296%
2/13/2025Renaissance Technologies LLC11,700$64K0.0%N/A0.082%
2/12/2025Geode Capital Management LLC132,756$724K0.0%+3.7%0.929%
2/12/2025Pacific Ridge Capital Partners LLC652,393$3.56M0.8%-1.3%4.565%
2/11/2025Hillsdale Investment Management Inc.37,200$203K0.0%N/A0.260%
2/10/2025Royce & Associates LP1,479,300$8.06M0.1%-13.6%10.352%
2/10/2025First Eagle Investment Management LLC834,922$4.55M0.0%+6.6%5.843%
2/5/2025Kovack Advisors Inc.65,500$357K0.0%+225.9%0.458%
2/5/2025AMH Equity Ltd41,175$224K0.2%-83.5%0.288%
12/5/2024272 Capital LP12,352$72K0.0%N/A0.087%
11/16/2024Geode Capital Management LLC128,067$743K0.0%+6.1%0.901%
Porter flew 3,300 miles to investigate this system (Ad)

Porter Stansberry flew the Porter and Co. team 3,300 miles to Dublin to investigate a 17-year investing experiment called Project Prophet - and documented everything on film. Rooted in the laws of physics, this quantitative approach challenges conventional wealth-building wisdom. With 17 years of verified data behind it, Porter calls it unlike anything he has seen in nearly 30 years in the business.tc pixel

Watch the full investigation and decide for yourself
11/14/2024272 Capital LP12,352$72K0.1%N/A0.087%
11/6/2024Royce & Associates LP1,711,172$9.93M0.1%-1.5%12.034%
11/6/2024Kovack Advisors Inc.20,100$117K0.0%-26.9%0.141%
8/16/2024Pacific Ridge Capital Partners LLC709,665$4.16M1.0%-4.1%4.994%
8/12/2024First Eagle Investment Management LLC675,844$3.96M0.0%+13.0%4.756%
8/9/2024Dimensional Fund Advisors LP942,634$5.52M0.0%-7.6%6.634%
8/6/2024Acadian Asset Management LLC18,476$107K0.0%+19.3%0.130%
5/17/2024Tidal Investments LLC69,232$375K0.0%N/A0.487%
5/16/2024Kennedy Capital Management LLC208,682$1.13M0.0%-7.1%1.469%
5/9/2024Pacific Ridge Capital Partners LLC739,821$4.00M0.9%-1.9%5.213%


ASYS Institutional Ownership - Frequently Asked Questions

During the previous two years, 56 institutional investors and hedge funds held shares of Amtech Systems. The most heavily invested institutionals were First Eagle Investment Management LLC ($9.22M), Pacific Ridge Capital Partners LLC ($7.88M), Vanguard Group Inc. ($6.26M), Dimensional Fund Advisors LP ($6.18M), Marshall Wace LLP ($4.43M), Arrowstreet Capital Limited Partnership ($4.27M), and Jane Street Group LLC ($4.09M).Learn more on Amtech Systems' institutional investors.

50.21% of Amtech Systems' stock is owned by institutional investors. Learn more on ASYS's institutional investor holdings.

Of the 50 institutional investors that purchased Amtech Systems' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Marshall Wace LLP ($247.35K), Arrowstreet Capital Limited Partnership ($200.78K), Jane Street Group LLC ($150.33K), Renaissance Technologies LLC ($138.00K), First Eagle Investment Management LLC ($129.35K), Trexquant Investment LP ($89.37K), and XTX Topco Ltd ($82.60K).

Institutional investors have bought a total of 1,825,427 shares in the last 24 months. This purchase volume represents approximately $21.12M in transactions.

Of the 10 institutional investors that sold Amtech Systems' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Dimensional Fund Advisors LP ($380.22K), First Eagle Investment Management LLC ($107.58K), Ancora Advisors LLC ($75.78K), Kovack Advisors Inc. ($63.55K), Renaissance Technologies LLC ($38.50K), Pacific Ridge Capital Partners LLC ($33.56K), and WealthTrust Axiom LLC ($24.50K).

Institutional investors have sold a total of 748,609 shares in the last 24 months. This volume of shares sold represents approximately $8.03M in transactions.



This page (NASDAQ:ASYS) was last updated on 5/26/2026 by MarketBeat.com Staff.
From Our Partners