Jasper Therapeutics, Inc. - JSPR
Ownership (Schedule 13D / 13G) · latest 50 filings
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| Filed | Form | Reporting person | Percent | Shares | SEC |
|---|---|---|---|---|---|
| Feb 25, 2026 | SCHEDULE 13G | Integrated Core Strategies (US) LLC | 5.8% | 1,624,076 | View |
| Feb 25, 2026 | SCHEDULE 13G | Millennium Management LLC | 5.8% | 1,629,013 | View |
| Feb 25, 2026 | SCHEDULE 13G | Millennium Group Management LLC | 5.8% | 1,629,013 | View |
| Feb 25, 2026 | SCHEDULE 13G | Israel A. Englander | 5.8% | 1,629,013 | View |
| Feb 18, 2026 | SCHEDULE 13D/A | — | 3.8% | 27,984,039 | View |
| Feb 12, 2026 | SCHEDULE 13G | THE GOLDMAN SACHS GROUP, INC. | 6.3% | 1,764,848 | View |
| Feb 12, 2026 | SCHEDULE 13G | GOLDMAN SACHS & CO. LLC | 6.3% | 1,764,848 | View |
| Feb 11, 2026 | SCHEDULE 13G | Morgan Stanley | 7.0% | 1,969,785 | View |
| Feb 11, 2026 | SCHEDULE 13G | Morgan Stanley Capital Services LLC | 6.8% | 1,903,420 | View |
| Jan 26, 2026 | SCHEDULE 13G/A | ACORN BIOVENTURES, L.P. | 2.2% | 624,326 | View |
| Jan 26, 2026 | SCHEDULE 13G/A | ACORN CAPITAL ADVISORS GP, LLC | 2.2% | 624,326 | View |
| Jan 26, 2026 | SCHEDULE 13G/A | ACORN BIOVENTURES 2, L.P. | 3.1% | 862,166 | View |
| Jan 26, 2026 | SCHEDULE 13G/A | Acorn Capital Advisors GP 2, LLC | 3.1% | 862,166 | View |
| Jan 26, 2026 | SCHEDULE 13G/A | Anders Hove | 5.3% | 1,486,492 | View |
| Dec 02, 2025 | SCHEDULE 13G | ACORN BIOVENTURES, L.P. | 2.7% | 750,326 | View |
| Dec 02, 2025 | SCHEDULE 13G | ACORN CAPITAL ADVISORS GP, LLC | 2.7% | 750,326 | View |
| Dec 02, 2025 | SCHEDULE 13G | ACORN BIOVENTURES 2, L.P. | 3.7% | 1,036,166 | View |
| Dec 02, 2025 | SCHEDULE 13G | Acorn Capital Advisors GP 2, LLC | 3.7% | 1,036,166 | View |
| Dec 02, 2025 | SCHEDULE 13G | Anders Hove | 6.4% | 1,786,492 | View |
| Nov 14, 2025 | SCHEDULE 13G | T. Rowe Price Investment Management, Inc. | 7.1% | 2,057,612 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | Qiming U.S. Healthcare Fund II, L.P. | 3.3% | 928,964 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | Qiming U.S. Healthcare GP II, LLC | 3.3% | 928,964 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | Mark McDade | 3.3% | 928,964 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | GARY E RIESCHEL | 3.3% | 928,964 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Kingdon Capital Management, L.L.C. | 4.7% | 1,324,845 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Mark Kingdon | 4.7% | 1,324,845 | 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.