Jasper TherapeuticsJSPR
13F holders, Q1 2026 (March 31)58holders +3
10new positions
9sold out
2famous investors
$0.88avg. 13F price*
At the end of Q1 2026, 58 institutions reported holding Jasper Therapeutics Inc. (JSPR) in their 13F filings, up 3 from Q4 2025. 10 opened new positions and 9 sold out. The largest holders were Velan Capital Investment Management LP ($2.3M), Millennium Management ($1.4M) and Acorn Capital Advisors, LLC ($1.2M). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Jasper Therapeutics Inc.
- CUSIP
- 471871202
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 10 | $1.4M |
| Exits | 9 | $7.9M |
All 13F filers, Q4 2025 → Q1 2026: 2,712,383 shares bought and 6,120,146 shares sold, net −3,407,763 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 58 holders
| Velan Capital Investment Management LP | 1.46% | No change | 2,668,395 | $2.3M |
| Millennium Management | 0.00% | Add +50.6% | 1,617,531 | $1.4M |
| Acorn Capital Advisors, LLC | 0.35% | Reduce -21.0% | 1,411,492 | $1.2M |
| Kingdon Capital Management, L.L.C. | 0.20% | New | 1,352,106 | $1.2M |
| Morgan Stanley | 0.00% | Reduce -32.3% | 1,333,420 | $1.2M |
| Vanguard Capital Management LLC | 0.00% | — | 1,172,597 | $1.0M |
| Rock Springs Capital Management LP | 0.06% | No change | 1,100,726 | $964K |
| Carlyle Group Inc. | 0.01% | No change | 1,066,189 | $934K |
| Boothbay Fund Management, LLC | 0.01% | Reduce -26.6% | 582,751 | $511K |
| Lion Point Capital, LP | 2.44% | No change | 465,000 | $407K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Add +488.1% | 322,273 | $282K |
| Geode Capital Management, LLC | 0.00% | Add +50.0% | 317,677 | $278K |
| Bank of America Corp. | 0.00% | Add +0.1% | 293,259 | $257K |
| Soleus Capital Management, L.P. | 0.01% | Add +38.2% | 276,312 | $242K |
| BlackRock, Inc. | 0.00% | Add +2.5% | 242,061 | $212K |
| Renaissance Technologies | 0.00% | Reduce -21.9% | 177,500 | $156K |
| Knott David M Jr | 0.08% | Reduce -11.4% | 160,789 | $141K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 149,943 | $131K |
| ADAR1 Capital Management, LLC | 0.01% | No change | 140,000 | $123K |
| Quarry LP | 0.02% | Add +32.1% | 131,529 | $115K |
| UBS Group AG | 0.00% | Reduce -35.8% | 81,117 | $71K |
| Verdad Advisers, LP | 0.07% | New | 73,967 | $65K |
| Squarepoint Ops LLC | 0.00% | Reduce -77.0% | 64,915 | $57K |
| Ieq Capital, LLC | 0.00% | Add +2.0% | 51,428 | $45K |
| Marshall Wace, LLP | 0.00% | New | 45,656 | $40K |
| State Street Corp. | 0.00% | No change | 44,699 | $39K |
| NINE MASTS CAPITAL Ltd | 0.01% | New | 44,165 | $39K |
| Osaic Holdings, Inc. | 0.00% | No change | 40,850 | $36K |
| XTX Topco Ltd | 0.00% | New | 39,431 | $35K |
| Diker Management LLC | 0.03% | New | 35,000 | $31K |
| Northern Trust Corp. | 0.00% | No change | 34,576 | $30K |
| Simplex Trading, LLC | 0.00% | New | 29,273 | $26K |
| Readystate Asset Management LP | 0.00% | Reduce -72.1% | 27,499 | $24K |
| Engineers Gate Manager LP | 0.00% | Add +83.3% | 26,131 | $23K |
| Ikarian Capital, LLC | 0.00% | No change | 24,093 | $21K |
| Panagora Asset Management Inc. | 0.00% | Add +11.3% | 21,543 | $19K |
| Jane Street Group, LLC | 0.00% | Add +106.6% | 21,415 | $19K |
| Gsa Capital Partners LLP | 0.00% | Reduce -74.5% | 19,084 | $17K |
| Dimensional Fund Advisors LP | 0.00% | No change | 18,664 | $16K |
| Jain Global LLC | 0.00% | Reduce -58.4% | 18,022 | $16K |
| Rehmann Capital Advisory Group | 0.00% | New | 15,300 | $13K |
| Sequent Planning LLC | 0.00% | Add +19.2% | 14,900 | $13K |
| LPL Financial LLC | 0.00% | New | 12,250 | $11K |
| Susquehanna International Group, LLP | 0.00% | Reduce -89.4% | 11,149 | $10K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +452.6% | 6,305 | $6K |
| Vanguard Global Advisers, LLC | 0.00% | — | 3,972 | $3K |
| Federated Hermes, Inc. | 0.00% | Reduce -21.8% | 3,868 | $3K |
| Group One Trading LLC | 0.00% | Add +12.3% | 885 | $775 |
| US Bancorp \de | 0.00% | No change | 500 | $438 |
| Wells Fargo & Company | 0.00% | Reduce -61.5% | 500 | $438 |
| National Bank of Canada | 0.00% | No change | 160 | $139 |
| BNP Paribas Financial Markets | 0.00% | No change | 141 | $124 |
| SBI Securities Co., Ltd. | 0.00% | No change | 65 | $57 |
| Jones Financial Companies LLLP | 0.00% | No change | 50 | $53 |
| JPMorgan Chase & Co. | 0.00% | No change | 9 | $8 |
| Optiver Holding B.V. | 0.00% | No change | 7 | $6 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 1 | $1 |
| Royal Bank of Canada | 0.00% | Add +60.0% | 120 | $0 |
"% of holder's portfolio" is JSPR's weight in each manager's 13F, not the share of Jasper Therapeutics Inc. the manager owns.