Institutional shares held 30.9 Million
287K calls
311K puts
Total value of holdings $2.52B
$23.4M calls
$25.4M puts
Market Cap $2.69B
33,033,800 Shares Out.
Institutional ownership 93.62%
# of Institutions 412


Latest Institutional Activity in ACLS

Top Purchases

Q4 2025
Oliver Luxxe Assets LLC Shares Held: 18.1K ($1.47M)
Q4 2025
Sg Americas Securities, LLC Shares Held: 14.2K ($1.16M)
Q4 2025
Occidental Asset Management, LLC Shares Held: 2.81K ($229K)
Q4 2025
North Crest Asset Manangement, LLC Shares Held: 2.37K ($193K)
Q4 2025
Gamma Investing LLC Shares Held: 2.91K ($237K)

Top Sells

Q4 2025
Wealth Enhancement Advisory Services, LLC Shares Held: 3.71K ($303K)
Q4 2025
Penbrook Management LLC Shares Held: 15.9K ($1.3M)
Q4 2025
Massmutual Trust CO Fsb Shares Held: 484 ($39.5K)
Q3 2025
Boston Trust Walden Corp Shares Held: 460K ($37.5M)
Q3 2025
American Century Companies Inc Shares Held: 1.35M ($110M)

About ACLS

Axcelis Technologies, Inc. designs, manufactures, and services ion implantation and other processing equipment used in the fabrication of semiconductor chips in the United States, Europe, and Asia. The company offers high energy, high current, and medium current implanters for various application requirements. It also provides aftermarket lifecycle products and services, including used tools, spare parts, equipment upgrades, maintenance services, and customer training. It sells its equipment and services to semiconductor chip manufacturers through its direct sales force. The company was founded in 1978 and is headquartered in Beverly, Massachusetts.


Insider Transactions at ACLS

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
162K Shares
From 13 Insiders
Grant, award, or other acquisition 162K shares
Sell / Disposition
32.2K Shares
From 9 Insiders
Open market or private sale 6.72K shares
Payment of exercise price or tax liability 25.5K shares

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