AXCELIS TECHNOLOGIES INC
ACLS·054540208·US·Common Stock·Technology - Semiconductor Equipment & Materials-13D/G
ACLS (AXCELIS TECHNOLOGIES INC) is held by 166 institutional investors as of Q1 2026. Largest holders: BlackRock, Inc. ($459.5M), VANGUARD PORTFOLIO MANAGEMENT LLC ($231.6M), FMR LLC ($226.3M). Net institutional sentiment: Mixed. In Q1 2026, 1 member of Congress and 85 funds bought ACLS.
166
Holders
(15 Elite)
$2.7B
Total Value
47% (179)
Consensus
85 buying - 94 selling
13F: Insider & Congress:
Who's Trading
ActivistREREINHART PARTNERS, LLC.3.0%Jul 14, 2026
InsiderMJMahoney Robert JohnSell $179KJun 2, 2026
InsiderRGRedinbo GregSell $464KMay 13, 2026
InsiderTJTitinger JorgeSell $328KMay 13, 2026
InsiderMJMahoney Robert JohnSell $364KMay 12, 2026
Top Holders
Showing 1-20 of 186
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Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer