Adagio Medical Holdings, Inc. - ADGM
Ownership (Schedule 13D / 13G) · latest 50 filings
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| Filed | Form | Reporting person | Percent | Shares | SEC |
|---|---|---|---|---|---|
| Feb 17, 2026 | SCHEDULE 13G | ADAR1 Capital Management, LLC | 5.7% | 1,205,447 | View |
| Feb 17, 2026 | SCHEDULE 13G | Daniel Schneeberger | 5.7% | 1,205,447 | View |
| Feb 17, 2026 | SCHEDULE 13G | Alyeska Investment Group, L.P. | 9.9% | 2,096,784 | View |
| Feb 17, 2026 | SCHEDULE 13G | Alyeska Fund GP, LLC | 9.9% | 2,096,784 | View |
| Feb 17, 2026 | SCHEDULE 13G | Anand Parekh | 9.9% | 2,096,784 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Perceptive Advisors LLC | 57.5% | 15,321,655 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Joseph Edelman | 57.5% | 15,321,655 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Perceptive Life Sciences Master Fund, Ltd. | 56.8% | 15,120,753 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | C2 Life Sciences LLC | 0.8% | 200,902 | View |
| Feb 11, 2026 | SCHEDULE 13G | Sio Capital Management, LLC | 6.08% | 1,288,461 | View |
| Nov 13, 2025 | SCHEDULE 13G/A | Adage Capital Management, L.P. | 6.88% | 1,058,501 | View |
| Nov 13, 2025 | SCHEDULE 13G/A | Robert Atchinson | 6.88% | 1,058,501 | View |
| Nov 13, 2025 | SCHEDULE 13G/A | Phillip Gross | 6.88% | 1,058,501 | 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.