AMTECH SYSTEMS INC (ASYS) Institutional Ownership Changes & 13F Activity

AMTECH SYSTEMS INC (ASYS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include First Eagle U.S. Value and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026First Eagle U.S. ValueBuy98,107832,453$9,723,051
Q1 2026Renaissance Technologies LLCSell-38,500108,096$1,262,561
Q4 2025Renaissance Technologies LLCBuy126,296146,596$1,839,780
Q4 2025First Eagle U.S. ValueSell-18,000734,346$9,216,042
Q3 2025First Eagle U.S. ValueSell-48,036752,346$6,966,724
Q3 2025Renaissance Technologies LLCBuy5,80020,300$187,978
Q2 2025First Eagle U.S. ValueSell-41,540800,382$3,553,696
Q2 2025Renaissance Technologies LLCBuy1,80014,500$64,380
Q1 2025First Eagle U.S. ValueBuy7,000841,922$4,066,483
Q1 2025Renaissance Technologies LLCBuy1,00012,700$61,341
Q4 2024Renaissance Technologies LLCSell-65,96111,700$63,765
Q4 2024First Eagle U.S. ValueBuy51,555834,922$4,550,325
Q3 2024First Eagle U.S. ValueBuy107,523783,367$4,543,529
Q2 2024First Eagle U.S. ValueBuy77,799675,844$3,960,446
Q1 2024First Eagle U.S. ValueBuy16,090598,045$3,235,423
Q4 2023First Eagle U.S. ValueBuy7,609581,955$2,444,211
Q3 2023First Eagle U.S. ValueBuy161,267574,346$4,376,517
Q2 2023First Eagle U.S. ValueBuy74,868413,079$3,949,035
Q2 2023Renaissance Technologies LLCBuy2,11477,661$742
Q1 2023First Eagle U.S. ValueBuy41,404338,211$3,226,533
Q1 2023Renaissance Technologies LLCBuy7,95175,547$721
Q4 2022First Eagle U.S. ValueBuy100,890296,807$2,255,733
Q4 2022Renaissance Technologies LLCBuy20,80067,596$514
Q3 2022First Eagle U.S. ValueBuy28,665195,917$1,665
Q3 2022Renaissance Technologies LLCBuy11,60046,796$398
Q2 2022First Eagle U.S. ValueBuy119,882167,252$1,221
Q2 2022Renaissance Technologies LLCSell-14,90035,196$257
Q1 2022Renaissance Technologies LLCSell-100,46150,096$504
Q1 2022First Eagle U.S. ValueBuy35,47847,370$477
Q4 2021Renaissance Technologies LLCBuy67,564150,557$1,488

Frequently asked questions about ASYS activity

  • Which institutional owners are buying ASYS?

    Institutional owners buying ASYS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ASYS activity?

    "Buy" means an investor increased their reported position in ASYS compared to the prior reporting period. This reflects growing exposure to AMTECH SYSTEMS INC (ASYS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ASYS increasing?

    Institutional interest in ASYS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.