Jade Biosciences, Inc. - JBIO
Ownership (Schedule 13D / 13G) · latest 50 filings
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| Filed | Form | Reporting person | Percent | Shares | SEC |
|---|---|---|---|---|---|
| Mar 05, 2026 | SCHEDULE 13D/A | — | 5.0% | — | View |
| Feb 17, 2026 | SCHEDULE 13G | Bellevue Group AG | 6.8% | 3,341,103 | View |
| Feb 17, 2026 | SCHEDULE 13G | Bellevue Asset Management AG | 6.8% | 3,341,103 | View |
| Feb 17, 2026 | SCHEDULE 13G | JANUS HENDERSON GROUP PLC | 6.2% | 3,063,457 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Venrock Healthcare Capital Partners III, L.P. | 9.9% | 5,115,862 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | VHCP Co-Investment Holdings III, LLC | 9.9% | 5,115,862 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Venrock Healthcare Capital Partners EG, L.P. | 9.9% | 5,115,862 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | VHCP Management III, LLC | 9.9% | 5,115,862 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | VHCP Management EG, LLC | 9.9% | 5,115,862 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Nimish Shah | 9.9% | 5,115,862 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Bong Y. Koh | 9.9% | 5,115,862 | View |
| Feb 13, 2026 | SCHEDULE 13G/A | Deep Track Capital, LP | 0.0% | 0 | View |
| Feb 13, 2026 | SCHEDULE 13G/A | Deep Track Biotechnology Master Fund, Ltd. | 0.0% | 0 | View |
| Feb 13, 2026 | SCHEDULE 13G/A | David Kroin | 0.0% | 0 | View |
| Jan 30, 2026 | SCHEDULE 13G/A | The Vanguard Group | 4.24% | 2,095,767 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | Frazier Life Sciences Public Fund, L.P. | 4.2% | 1,384,646 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | FHMLSP, L.P. | 4.2% | 1,384,646 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | FHMLSP, L.L.C. | 4.2% | 1,384,646 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | Frazier Life Sciences X, L.P. | 0.0% | 9,488 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | FHMLS X, L.P. | 0.0% | 9,488 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | FHMLS X, L.L.C. | 0.0% | 9,488 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | Frazier Life Sciences XI, L.P. | 0.1% | 19,146 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | FHMLS XI, L.P. | 0.1% | 19,146 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | FHMLS XI, L.L.C. | 0.1% | 19,146 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | James N. Topper | 0.0% | 9,488 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | Patrick J. Heron | 0.0% | 9,488 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | Deep Track Capital, LP | 6.99% | 2,279,892 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | Deep Track Biotechnology Master Fund, Ltd. | 6.99% | 2,279,892 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | David Kroin | 6.99% | 2,279,892 | 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.