AXCELIS TECHNOLOGIES INC (ACLS) Institutional Ownership and Insiders Activity

AXCELIS TECHNOLOGIES INC (ACLS) is widely held by institutional investors, with 2 tracked firms reporting positions valued at approximately $13.99M based on SEC Form 13F filings for the quarter ended June 30, 2026.

First Eagle U.S. Value is the largest disclosed holder, reporting approximately $13.63M in ACLS holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with First Eagle U.S. Value representing the majority of disclosed value.

Recent insider activity includes 21 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.