Cogent Biosciences, Inc. - COGT
Ownership (Schedule 13D / 13G) · latest 50 filings
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| Filed | Form | Reporting person | Percent | Shares | SEC |
|---|---|---|---|---|---|
| May 14, 2026 | SCHEDULE 13G/A | Deerfield Mgmt, L.P. | 5.29% | 9,043,903 | View |
| May 14, 2026 | SCHEDULE 13G/A | Deerfield Management Company, L.P. | 5.29% | 9,043,903 | View |
| May 14, 2026 | SCHEDULE 13G/A | Deerfield Partners, L.P. | 5.29% | 9,043,903 | View |
| May 14, 2026 | SCHEDULE 13G/A | James E. Flynn | 5.29% | 9,043,903 | View |
| Mar 31, 2026 | SCHEDULE 13D/A | — | — | 5,503,418 | View |
| Mar 26, 2026 | SCHEDULE 13G/A | The Vanguard Group | 0.0% | 0 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Commodore Capital LP | 1.8% | 2,802,905 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Commodore Capital Master LP | 1.8% | 2,802,905 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Robert Egen Atkinson | 1.8% | 2,802,905 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Michael Kramarz | 1.8% | 2,802,905 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Kynam Capital Management, LP | 4.33% | 6,165,223 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Kynam Capital Management GP, LLC | 4.33% | 6,165,223 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Yue Tang | 4.33% | 6,165,223 | View |
| Jan 30, 2026 | SCHEDULE 13G/A | The Vanguard Group | 7.5% | 11,514,326 | View |
| Jan 22, 2026 | SCHEDULE 13D/A | — | 9.9% | — | View |
| Jan 21, 2026 | SCHEDULE 13G/A | BlackRock, Inc. | 6.5% | 11,370,224 | View |
| Jan 21, 2026 | SCHEDULE 13G/A | BlackRock, Inc. | 6.5% | 11,370,224 | 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.