Aclaris Therapeutics, Inc. - ACRS

Ownership (Schedule 13D / 13G) · latest 50 filings · Back to all files
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Filed Form Reporting person Percent Shares SEC
Apr 07, 2026 SCHEDULE 13G RA Capital Management, L.P. 6.3% 7,626,705 View
Apr 07, 2026 SCHEDULE 13G Peter Kolchinsky 6.3% 7,626,705 View
Apr 07, 2026 SCHEDULE 13G Rajeev Shah 6.3% 7,626,705 View
Apr 07, 2026 SCHEDULE 13G RA Capital Healthcare Fund, L.P. 6.3% 7,626,705 View
Mar 26, 2026 SCHEDULE 13G/A The Vanguard Group 0.0% 0 View
Mar 17, 2026 SCHEDULE 13G Deep Track Capital, LP 7.0% 9,345,000 View
Mar 17, 2026 SCHEDULE 13G Deep Track Biotechnology Master Fund, Ltd. 7.0% 9,345,000 View
Mar 17, 2026 SCHEDULE 13G David Kroin 7.0% 9,345,000 View
Feb 09, 2026 SCHEDULE 13G/A BML Investment Partners, L.P. 11.9% 14,250,000 View
Jan 21, 2026 SCHEDULE 13G/A BlackRock, Inc. 6.2% 6,700,629 View
Jan 09, 2026 SCHEDULE 13G/A Biosion, Inc. 9.4% 11,281,950 View
Jan 09, 2026 SCHEDULE 13G/A Bonita Biotech (HK) Ltd 9.4% 11,281,950 View
Nov 13, 2025 SCHEDULE 13G/A Adage Capital Management, L.P. 4.87% 5,278,144 View
Nov 13, 2025 SCHEDULE 13G/A Robert Atchinson 4.87% 5,278,144 View
Nov 13, 2025 SCHEDULE 13G/A Phillip Gross 4.87% 5,278,144 View
Percent = "% of class represented by amount beneficially owned" for this reporting person in the filed 13D/13G. Shares = reported beneficial ownership amount for the same row (not portfolio shares from 13F). Amendments (/A) can repeat the same holder over time, so rows should not be summed. Extraction is best-effort from filing text and can be missing or noisy; verify exact figures via the SEC link in each row.