AMTECH SYS INC (ASYS): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in ASYS · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
12
13F filers
Aggregate Value
$60.4M
Across holders
Last Price
$14.00
2026-08-24
Sector
Information Technology
GICS
Quarterly fund activity7 increased5 reduced4 exited
Full exits: Hudson Bay Capital Management LP, Squarepoint Ops LLC, Brevan Howard Capital Management LP, Walleye Capital LLC
Institutional Holders of ASYS
12 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
First Eagle Investment Management, LLC
CIK 0001325447
Institutional Manager848K$19.6M32.4%0.0%Added$-18.8MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund399K$9.2M15.2%0.0%Reduced$-13.5MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund309K$7.1M11.8%0.0%Reduced$-1.3MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund261K$6.0M10.0%0.0%Added+$3.5MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund254K$5.9M9.7%0.0%Reduced$-288KQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund195K$4.5M7.4%0.0%Added+$2.5MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund106K$2.5M4.1%0.0%Reduced$-675KQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund91K$2.1M3.5%0.0%Reduced$-8.4MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund80K$1.8M3.0%0.0%Added+$1.2MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund45K$1.0M1.7%0.0%Added+$313KQ2 2026
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