Jasper Therapeutics, Inc. - JSPR
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 1 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Velan Capital Investment Management LP | History | No change | 2,668,395 | 4,883 | 2.83% | 5.83% | 1 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| MORGAN STANLEY | History | Added to | 1,969,785 | 3,604 | 0.0% | 0.0% | 2 | +1,179,825 | 149.35% | Q4 2025 | Feb 13, 2026 |
| ACORN CAPITAL ADVISORS, LLC | History | Added to | 1,786,492 | 3,269 | 1.11% | 1.67% | 3 | +403,852 | 29.21% | Q4 2025 | Feb 17, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 1,746,492 | 3,196 | 0.0% | 0.0% | 4 | +1,719,602 | 6394.95% | Q4 2025 | Mar 25, 2026 |
| VANGUARD GROUP INC | History | Added to | 1,326,512 | 2,427 | 0.0% | 0.0% | 5 | +293,670 | 28.43% | Q4 2025 | Jan 29, 2026 |
| Rock Springs Capital Management LP | History | No change | 1,100,726 | 2,014 | 0.1% | 0.15% | 6 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Added to | 1,073,783 | 1,965 | 0.0% | 0.0% | 7 | +708,844 | 194.24% | Q4 2025 | Feb 17, 2026 |
| Carlyle Group Inc. | History | No change | 1,066,189 | 1,940 | 0.01% | 0.06% | 8 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Woodline Partners LP | History | Added to | 1,040,704 | 1,904 | 0.01% | 0.01% | 9 | +953 | 0.09% | Q4 2025 | Feb 17, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | Added to | 793,954 | 1,452 | 0.02% | 0.02% | 10 | +351,312 | 79.37% | Q4 2025 | Feb 17, 2026 |
| SPHERA FUNDS MANAGEMENT LTD. | History | Reduced | 485,401 | 888 | 0.17% | 0.32% | 11 | -144,069 | -22.89% | Q4 2025 | Feb 17, 2026 |
| Lion Point Capital, LP | History | Added to | 465,000 | 850 | 4.4% | 5.39% | 12 | +66,442 | 16.67% | Q4 2025 | Feb 17, 2026 |
| T. Rowe Price Investment Management, Inc. | History | Reduced | 385,522 | 706 | 0.0% | 0.0% | 13 | -643,284 | -62.53% | Q4 2025 | Feb 19, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Reduced | 293,027 | 536 | 0.0% | 0.0% | 14 | -1,526 | -0.52% | Q4 2025 | Feb 17, 2026 |
| Squarepoint Ops LLC | History | Added to | 281,926 | 515 | 0.0% | 0.0% | 15 | +267,966 | 1919.53% | Q4 2025 | Feb 13, 2026 |
| BlackRock, Inc. | History | Added to | 236,224 | 432 | 0.0% | 0.0% | 16 | +31,292 | 15.27% | Q4 2025 | Feb 12, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 227,183 | 415 | 0.0% | 0.0% | 17 | +18,683 | 8.96% | Q4 2025 | Feb 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 211,857 | 387 | 0.0% | 0.0% | 18 | +81,002 | 61.9% | Q4 2025 | Feb 09, 2026 |
| Soleus Capital Management, L.P. | History | Reduced | 200,000 | 366 | 0.01% | 0.18% | 19 | -1,294,420 | -86.62% | Q4 2025 | Feb 12, 2026 |
| Knott David M Jr | History | Added to | 181,389 | 331 | 0.15% | 0.16% | 20 | +10,000 | 5.83% | Q4 2025 | Feb 12, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 149,687 | 273 | 0.0% | 0.0% | 21 | +62,095 | 70.89% | Q4 2025 | Feb 17, 2026 |
| ADAR1 Capital Management, LLC | History | New | 140,000 | 256 | 0.02% | — | 22 | +140,000 | New | Q4 2025 | Feb 18, 2026 |
| UBS Group AG | History | Added to | 126,361 | 231 | 0.0% | 0.0% | 23 | +87,007 | 221.09% | Q4 2025 | Jan 29, 2026 |
| Quarry LP | History | New | 99,529 | 182 | 0.03% | — | 24 | +99,529 | New | Q4 2025 | Feb 13, 2026 |
| READYSTATE ASSET MANAGEMENT LP | History | No change | 98,439 | 180 | 0.01% | 0.01% | 25 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| JANE STREET GROUP, LLC | History | New | 88,164 | 161 | 0.0% | — | 26 | +88,164 | New | Q4 2025 | Feb 12, 2026 |
| GSA CAPITAL PARTNERS LLP | History | New | 74,964 | 137 | 0.01% | — | 27 | +74,964 | New | Q4 2025 | Feb 06, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 73,200 | 133 | 0.0% | 0.0% | 28 | -578,149 | -88.76% | Q4 2025 | Feb 17, 2026 |
| Quadrature Capital Ltd | History | New | 67,267 | 123 | 0.0% | — | 29 | +67,267 | New | Q4 2025 | Feb 17, 2026 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | History | New | 54,800 | 100 | 0.0% | — | 30 | +54,800 | New | Q4 2025 | Feb 13, 2026 |
| IEQ CAPITAL, LLC | History | Added to | 50,428 | 92 | 0.0% | 0.0% | 31 | +2,310 | 4.8% | Q4 2025 | Feb 13, 2026 |
| STATE STREET CORP | History | No change | 44,699 | 81 | 0.0% | 0.0% | 32 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Jain Global LLC | History | New | 43,301 | 79 | 0.0% | — | 33 | +43,301 | New | Q4 2025 | Feb 17, 2026 |
| OSAIC HOLDINGS, INC. | History | Reduced | 40,850 | 74 | 0.0% | 0.0% | 34 | -837 | -2.01% | Q4 2025 | Feb 17, 2026 |
| NORTHERN TRUST CORP | History | Added to | 34,576 | 63 | 0.0% | 0.0% | 35 | +664 | 1.96% | Q4 2025 | Feb 17, 2026 |
| Ikarian Capital, LLC | History | Reduced | 24,093 | 44 | 0.0% | 0.01% | 36 | -1,014 | -4.04% | Q4 2025 | Feb 18, 2026 |
| PANAGORA ASSET MANAGEMENT INC | History | New | 19,362 | 35 | 0.0% | — | 37 | +19,362 | New | Q4 2025 | Feb 13, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Reduced | 18,664 | 34 | 0.0% | 0.0% | 38 | -20,299 | -52.1% | Q4 2025 | Feb 12, 2026 |
| Engineers Gate Manager LP | History | New | 14,257 | 26 | 0.0% | — | 39 | +14,257 | New | Q4 2025 | Feb 17, 2026 |
| Sequent Planning LLC | History | No change | 12,500 | 22 | 0.01% | 0.01% | 40 | 0 | 0.0% | Q4 2025 | Feb 05, 2026 |
| FMR LLC | History | Added to | 11,949 | 21 | 0.0% | 0.0% | 41 | +50 | 0.42% | Q4 2025 | Feb 17, 2026 |
| FEDERATED HERMES, INC. | History | Added to | 4,947 | 9 | 0.0% | 0.0% | 42 | +2,150 | 76.87% | Q4 2025 | Feb 12, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 1,141 | 2 | 0.0% | — | 44 | +1,140 | 114000.0% | Q4 2025 | Feb 17, 2026 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 1,300 | 2 | 0.0% | 0.0% | 43 | -1,000 | -43.48% | Q4 2025 | Feb 13, 2026 |
| GROUP ONE TRADING LLC | History | Reduced | 788 | 1 | 0.0% | 0.0% | 46 | -16,762 | -95.51% | Q4 2025 | Feb 12, 2026 |
| CITIGROUP INC | History | New | 642 | 1 | 0.0% | — | 45 | +642 | New | Q4 2025 | Feb 13, 2026 |
| KINGDON CAPITAL MANAGEMENT, L.L.C. | History | Closed out | 0 | 0 | — | 0.39% | — | -1,324,845 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Propel Bio Management, LLC | History | Closed out | 0 | 0 | — | 2.45% | — | -1,028,806 | -100.0% | Q3 2025 | Nov 12, 2025 |
| Simplify Asset Management Inc. | History | Closed out | 0 | 0 | — | 0.03% | — | -609,053 | -100.0% | Q3 2025 | Oct 20, 2025 |
| ARMISTICE CAPITAL, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -348,000 | -100.0% | Q3 2025 | Nov 17, 2025 |
| DEUTSCHE BANK AG\ | History | Closed out | 0 | 0 | — | 0.0% | — | -160,000 | -100.0% | Q3 2025 | Nov 13, 2025 |
| BANK OF MONTREAL /CAN/ | History | Closed out | 0 | 0 | — | 0.0% | — | -111,802 | -100.0% | Q3 2025 | Nov 13, 2025 |
| TWO SIGMA INVESTMENTS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -40,427 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Voleon Capital Management LP | History | Closed out | 0 | 0 | — | 0.0% | — | -20,950 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Stonepine Capital Management, LLC | History | Closed out | 0 | 0 | — | 0.04% | — | -20,200 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Mariner, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -12,193 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Sowell Financial Services LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,400 | -100.0% | Q3 2025 | Oct 17, 2025 |
| Crewe Advisors LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -3,100 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Avion Wealth | History | New | 214 | 0 | — | — | — | +214 | New | Q4 2025 | Jan 23, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 9 | 0 | — | — | — | -200 | -95.69% | Q4 2025 | Feb 11, 2026 |
| IFP Advisors, Inc | History | Closed out | 0 | 0 | — | — | — | -122 | -100.0% | Q3 2025 | Feb 06, 2026 |
| NATIONAL BANK OF CANADA /FI/ | History | Added to | 160 | 0 | — | — | — | +80 | 100.0% | Q4 2025 | Feb 17, 2026 |
| ROYAL BANK OF CANADA | History | New | 75 | 0 | — | — | — | +75 | New | Q4 2025 | Feb 17, 2026 |
| Rossby Financial, LCC | History | Closed out | 0 | 0 | — | — | — | -2 | -100.0% | Q3 2025 | Nov 10, 2025 |
| SBI Securities Co., Ltd. | History | Reduced | 65 | 0 | — | — | — | -1 | -1.52% | Q4 2025 | Feb 03, 2026 |
| Optiver Holding B.V. | History | Added to | 7 | 0 | — | — | — | +1 | 16.67% | Q4 2025 | Feb 17, 2026 |
| US BANCORP \DE\ | History | No change | 500 | 0 | — | 0.0% | — | 0 | 0.0% | Q4 2025 | Jan 30, 2026 |
| BARCLAYS PLC | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | No change | 50 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | No change | 141 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 10, 2026 |