Go Pro
→ How to get a stake in Anthropic — before the IPO (From Weiss Ratings) (Ad)tc pixel Free ASYS Stock Alerts

Amtech Systems (ASYS) Institutional Ownership

Amtech Systems logo
$15.18 -0.25 (-1.59%)
As of 09:58 AM Eastern
This is a fair market value price provided by Massive. Learn more.
Compare

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

Current
Institutional Ownership
Percentage
50.21%
Number of
Institutional Buyers
(last 12 months)
46
Total
Institutional Inflows
(last 12 months)
$38.62M
Number of
Institutional Sellers
(last 12 months)
11
Total
Institutional Outflows
(last 12 months)
$8.09M
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.

Subscribe Now
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

Export
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026 WINTON GROUP Ltd28,350$654K0.0%N/A0.162%
9/9/2026 Engineers Gate Manager LP38,552$890K0.0%+2.6%0.220%
9/9/2026 NewEdge Advisors LLC15,823$365K0.0%-41.2%0.090%
8/15/2026 AWM Investment Company Inc.690,000$15.93M1.4%N/A3.941%
8/6/2026 Bank of New York Mellon Corp41,533$959K0.0%N/A0.285%
6/3/2026 NewEdge Advisors LLC26,891$314K0.0%+84.2%0.185%
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%0.222%
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%
While SpaceX Gets the Spotlight, FJET Is Building What Comes Next! (Ad)

Starfighters Space (NYSE: FJET) operates the world's only commercial fleet of flight-ready Mach 2+ F-104 Starfighter aircraft, giving it a rare platform for high-speed flight testing, captive-carry missions and aerospace research. Its Wind Tunnel in the Sky concept exposes hardware to real high-speed atmospheric conditions, while new collaborations with Vaya Defense & Space and The Bionetics Corporation expand its reach into propulsion, hypersonic test articles and payload processing. FJET is also developing STARLAUNCH, an air-launched system targeting suborbital missions, positioning the company across testing, defense and launch.tc pixel

See how FJET is building the aerospace industry's next testing frontier
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%
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%
MILLIONAIRE MASTERCLASS INVITE: Altucher (Ad)

James Altucher says Elon Musk is preparing an unprecedented project set to surface on September 25. Altucher is hosting a free masterclass revealing what he says is locked inside a sealed briefcase detailing Musk's plans. Attendees who join early can also access a $1,000 bonus offer included with the presentation.tc pixel

Watch James Altucher's free masterclass before September 25
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%
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%


ASYS Institutional Ownership - Frequently Asked Questions

During the previous two years, 60 institutional investors and hedge funds held shares of Amtech Systems. The most heavily invested institutionals were AWM Investment Company Inc. ($15.93M), 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), and Arrowstreet Capital Limited Partnership ($4.27M).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 54 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: AWM Investment Company Inc. ($690K), Marshall Wace LLP ($247.35K), Arrowstreet Capital Limited Partnership ($200.78K), Jane Street Group LLC ($150.33K), Renaissance Technologies LLC ($138.00K), Trexquant Investment LP ($89.37K), and XTX Topco Ltd ($82.60K).

Institutional investors have bought a total of 2,554,020 shares in the last 24 months. This purchase volume represents approximately $38.62M in transactions.

Of the 11 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), Ancora Advisors LLC ($75.78K), First Eagle Investment Management LLC ($66.04K), Kovack Advisors Inc. ($61.15K), 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 715,737 shares in the last 24 months. This volume of shares sold represents approximately $8.09M in transactions.


Related Companies

Institutional ownership data for NASDAQ:ASYS is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
From Our Partners
Everyone remembers January's silver spike. Then what?
Silver is up more than 50 percent over the past year, yet interest has faded since its January record. The ...
i2i Marketing Group, LLC | Sponsoredtc pixel
A letter from Shannon Stansberry
Porter Stansberry nearly canceled the entire project. When he first saw the claimed returns - only one down ye...
Porter & Company | Sponsoredtc pixel
How to get a stake in Anthropic — before the IPO
Anthropic, the maker of Claude AI, has reportedly filed for an IPO that could arrive as early as October. Its ...
Weiss Ratings | Sponsoredtc pixel
CODE RED: AI Meltdown Imminent?
After correctly predicting the 2008 and 2020 stock market meltdowns, I believe this AI company is about to tri...
Paradigm Press | Sponsoredtc pixel
Why I believe the AI market will split in Q4
Matt McCall, who recommended Nvidia near $6 a share, says the AI market is splitting in two - just like the do...
The Oxford Club | Sponsoredtc pixel
Arizona Gold Explorer Nears First-Ever Resource Estimate
A little-known Arizona gold explorer just hit 66.2 metres grading 6.57 g/t gold, including 20.7 metres at 18.2...
Wall Street Logic | Sponsoredtc pixel
Shocking new footage just released
Gerardo Del Real is calling it the Third Convergence Event, a new catalyst hitting the uranium market that he ...
Digest Publishing | Sponsoredtc pixel
Congress Passes Landmark Digital Asset Law Wall Street Is Watching
The House passed the Digital Asset Market Clarity Act 294 to 134, creating the most comprehensive financial te...
Awesomely | Sponsoredtc pixel