Axcelis Technologies Inc (ACLS) Institutional Ownership

Ownership Summary

The institutional landscape for Axcelis Technologies Inc (NASDAQ:ACLS) includes 23 filers as of the latest reporting cycle ending December 2025.

• The percentage of Axcelis Technologies owned by institutions changed from 94.8% in September 2025 to 1.2% in December 2025, marking a slight down trend.
• Quarterly data indicates a 100.04% shift in institutional share volume, and the annual owner count reflects a decrease of 92.88%.
• Among the 23 institutional holders of Axcelis Technologies, 14 added to their stakes while 2 trimmed their positions and 7 held steady.
• The total number of shares held by institutions in Axcelis Technologies increased to 391.28K as of December 2025, a net change of up by 195.69K shares quarter on quarter, and down 30.59Mn shares year over year.
• As of December 31, 2025, Allspring Global Investments Holdings, LLC held Axcelis Technologies's largest shareholding position with over 266.01K shares, representing 0.83% of total outstanding shares.
• Among the most significant buyers of Axcelis Technologies during December 2025 were Allspring Global Investments Holdings, LLC (156.39K), Oliver Luxxe Assets LLC (18.06K), SG Americas Securities, LLC (14.17K), Occidental Asset Management, LLC (2.81K), NorthCrest Asset Manangement, LLC (2.37K).
• Leading sellers of Axcelis Technologies stock in December 2025 included Penbrook Management LLC (1.00K), MassMutual Private Wealth & Trust, FSB (12).
• The top 10 institutional holders of Axcelis Technologies for the quarter ending December 2025 included Allspring Global Investments Holdings, LLC (266.01K), QSM Asset Management Ltd (53.17K), Oliver Luxxe Assets LLC (18.06K), Penbrook Management LLC (15.89K), SG Americas Securities, LLC (14.17K), MOODY NATIONAL BANK TRUST DIVISION (4.83K), Net Worth Advisory Group (4.02K), GAMMA Investing LLC (2.91K), Occidental Asset Management, LLC (2.81K), Perkins Coie Trust Co (2.75K).