C4 Therapeutics, Inc. - CCCC

Ownership (Schedule 13D / 13G) · latest 50 filings · Back to all files
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Filed Form Reporting person Percent Shares SEC
Aug 14, 2026 SCHEDULE 13G/A Lynx1 Capital Management LP 9.99% 15,423,691 View
Aug 14, 2026 SCHEDULE 13G/A Weston Nichols 9.99% 15,423,691 View
Aug 14, 2026 SCHEDULE 13G/A RA Capital Management, L.P. 9.9% 11,383,696 View
Aug 14, 2026 SCHEDULE 13G/A Peter Kolchinsky 9.9% 11,383,696 View
Aug 14, 2026 SCHEDULE 13G/A Rajeev Shah 9.9% 11,383,696 View
Aug 14, 2026 SCHEDULE 13G/A RA Capital Healthcare Fund, L.P. 9.9% 11,383,696 View
Aug 14, 2026 SCHEDULE 13G/A Squadron Master Fund LP 6.9% 7,600,000 View
Aug 14, 2026 SCHEDULE 13G/A Squadron Capital Management LLC 6.9% 7,600,000 View
Aug 14, 2026 SCHEDULE 13G/A Matthew Sesterhenn 6.9% 7,600,000 View
Aug 14, 2026 SCHEDULE 13G/A William Blank 6.9% 7,600,000 View
Jul 27, 2026 SCHEDULE 13G BlackRock, Inc. 6.9% 7,678,906 View
May 19, 2026 SCHEDULE 13G Squadron Master Fund LP 5.0% 5,550,000 View
May 19, 2026 SCHEDULE 13G Squadron Capital Management LLC 5.0% 5,550,000 View
May 19, 2026 SCHEDULE 13G Matthew Sesterhenn 5.0% 5,550,000 View
May 19, 2026 SCHEDULE 13G William Blank 5.0% 5,550,000 View
May 15, 2026 SCHEDULE 13G/A Point72 Asset Management, L.P. 0.2% 169,096 View
May 15, 2026 SCHEDULE 13G/A Point72 Capital Advisors, Inc. 0.2% 169,096 View
May 15, 2026 SCHEDULE 13G/A Steven A. Cohen 0.2% 169,096 View
May 15, 2026 SCHEDULE 13G Sirenia Capital Management LP 9.9% 23,505,000 View
May 15, 2026 SCHEDULE 13G Alex Silverstein 9.9% 23,505,000 View
Apr 22, 2026 SCHEDULE 13G/A Wasatch Advisors LP 4.7% 4,581,761 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.