SAB Biotherapeutics, Inc. - SABS
Ownership (Schedule 13D / 13G) · latest 50 filings
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| Filed | Form | Reporting person | Percent | Shares | SEC |
|---|---|---|---|---|---|
| Mar 23, 2026 | SCHEDULE 13D/A | — | 19.99% | — | View |
| Mar 11, 2026 | SCHEDULE 13D/A | — | 19.99% | — | View |
| Feb 17, 2026 | SCHEDULE 13G/A | RTW Investments, LP | 3.2% | 1,587,302 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Roderick Wong | 3.2% | 1,587,302 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | BIOTECHNOLOGY VALUE FUND L P | 5.1% | 2,540,159 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | BVF I GP LLC | 5.1% | 2,540,159 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | BIOTECHNOLOGY VALUE FUND II LP | 3.9% | 1,931,905 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | BVF II GP LLC | 3.9% | 1,931,905 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Biotechnology Value Trading Fund OS LP | 0.5% | 225,556 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | BVF Partners OS Ltd. | 0.5% | 225,556 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | BVF GP HOLDINGS LLC | 8.6% | 4,472,064 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | BVF PARTNERS L P/IL | 9.1% | 4,761,906 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | BVF INC/IL | 9.1% | 4,761,906 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | LAMPERT MARK N | 9.1% | 4,761,906 | View |
| Jan 22, 2026 | SCHEDULE 13G | Perceptive Advisors LLC | 7.3% | 3,471,861 | View |
| Jan 22, 2026 | SCHEDULE 13G | Joseph Edelman | 7.3% | 3,471,861 | View |
| Jan 22, 2026 | SCHEDULE 13G | Perceptive Life Sciences Master Fund, Ltd. | 7.3% | 3,471,861 | View |
| Nov 14, 2025 | SCHEDULE 13G | Woodline Partners LP | 9.9% | 7,125,881 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | BIOTECHNOLOGY VALUE FUND L P | 6.1% | 3,041,111 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | BVF I GP LLC | 6.1% | 3,041,111 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | BIOTECHNOLOGY VALUE FUND II LP | 4.2% | 2,075,714 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | BVF II GP LLC | 4.2% | 2,075,714 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | Biotechnology Value Trading Fund OS LP | 0.09% | 44,444 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | BVF Partners OS Ltd. | 0.09% | 44,444 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | BVF GP HOLDINGS LLC | 9.9% | 5,116,825 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | BVF PARTNERS L P/IL | 9.99% | 5,167,618 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | BVF INC/IL | 9.99% | 5,167,618 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | LAMPERT MARK N | 9.99% | 5,167,618 | 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.