Institutional shares held 31.6 Million
534K calls
512K puts
Total value of holdings $2.28B
$38.4M calls
$36.8M puts
Market Cap $2.38B
33,033,800 Shares Out.
Institutional ownership 95.73%
# of Institutions 340


Latest Institutional Activity in ACLS

Top Purchases

Q1 2025
Bank Of America Corp Shares Held: 919K ($66.2M)
Q1 2025
Bnp Paribas Asset Management Holding S.A. Shares Held: 1.02M ($73.5M)
Q1 2025
Black Barn Capital Partners LP Shares Held: 480K ($34.6M)
Q1 2025
Reinhart Partners, Inc. Shares Held: 1.44M ($104M)
Q1 2025
Voloridge Investment Management, LLC Shares Held: 481K ($34.6M)

Top Sells

Q1 2025
Pacer Advisors, Inc. Shares Held: 161K ($11.6M)
Q1 2025
Paradigm Capital Management Inc Shares Held: 182K ($13.1M)
Q1 2025
Grantham, Mayo, Van Otterloo & Co. LLC Shares Held: 579K ($41.7M)
Q1 2025
Qube Research & Technologies LTD Shares Held: 18.5K ($1.33M)
Q1 2025
Renaissance Technologies LLC Shares Held: 89.5K ($6.44M)

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
174K Shares
From 13 Insiders
Grant, award, or other acquisition 174K shares
Sell / Disposition
34.6K Shares
From 8 Insiders
Open market or private sale 7.77K shares
Payment of exercise price or tax liability 26.9K shares

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