JASPER THERAPEUTICS INC (JSPR) Institutional Ownership Changes & 13F Activity
JASPER THERAPEUTICS INC (JSPR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Velan Capital Investment Management Lp, Morgan Stanley, Acorn Capital Advisors, Llc, Rock Springs Capital Management Lp, and Millennium Management Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Ikarian Capital, Llc | Buy | +24,093 | — | 24,093 | $44.09K | Q4 2025 | Feb 18, 2026 |
| Acorn Capital Advisors, Llc | Buy | +1,786,492 | — | 1,786,492 | $3.27M | Q4 2025 | Feb 17, 2026 |
| Rock Springs Capital Management Lp | Buy | +1,100,726 | — | 1,100,726 | $2.01M | Q4 2025 | Feb 17, 2026 |
| Millennium Management Llc | Buy | +1,073,783 | — | 1,073,783 | $1.97M | Q4 2025 | Feb 17, 2026 |
| Woodline Partners Lp | Buy | +1,040,704 | — | 1,040,704 | $1.90M | Q4 2025 | Feb 17, 2026 |
| Boothbay Fund Management, Llc | Buy | +793,954 | — | 793,954 | $1.45M | Q4 2025 | Feb 17, 2026 |
| Sphera Funds Management Ltd. | Buy | +485,401 | — | 485,401 | $888.28K | Q4 2025 | Feb 17, 2026 |
| Lion Point Capital, Lp | Buy | +465,000 | — | 465,000 | $850.95K | Q4 2025 | Feb 17, 2026 |
| T. Rowe Price Investment Management, Inc. | Buy | +385,522 | — | 385,522 | $706.00K | Q4 2025 | Feb 17, 2026 |
| Bank Of America Corp | Buy | +293,027 | — | 293,027 | $536.24K | Q4 2025 | Feb 17, 2026 |
| Adar1 Capital Management, Llc | Buy | +140,000 | — | 140,000 | $256.20K | Q4 2025 | Feb 17, 2026 |
| Susquehanna International Group, Llp | Buy | +104,787 | — | 104,787 | $191.76K | Q4 2025 | Feb 17, 2026 |
| Readystate Asset Management Lp | Buy | +98,439 | — | 98,439 | $180.14K | Q4 2025 | Feb 17, 2026 |
| Quadrature Capital Ltd | Buy | +67,267 | — | 67,267 | $123.10K | Q4 2025 | Feb 17, 2026 |
| Jain Global Llc | Buy | +43,301 | — | 43,301 | $79.24K | Q4 2025 | Feb 17, 2026 |
| Osaic Holdings, Inc. | Buy | +40,850 | — | 40,850 | $74.76K | Q4 2025 | Feb 17, 2026 |
| Northern Trust Corp | Buy | +34,576 | — | 34,576 | $63.27K | Q4 2025 | Feb 17, 2026 |
| Engineers Gate Manager Lp | Buy | +14,257 | — | 14,257 | $26.09K | Q4 2025 | Feb 17, 2026 |
| Fmr Llc | Buy | +11,949 | — | 11,949 | $21.87K | Q4 2025 | Feb 17, 2026 |
| Tower Research Capital Llc (Trc) | Buy | +1,141 | — | 1,141 | $2.09K | Q4 2025 | Feb 17, 2026 |
| National Bank Of Canada | Buy | +160 | — | 160 | $291.00 | Q4 2025 | Feb 17, 2026 |
| Royal Bank Of Canada | Buy | +75 | — | 75 | $0.00 | Q4 2025 | Feb 17, 2026 |
| Jones Financial Companies Lllp | Buy | +50 | — | 50 | $92.00 | Q4 2025 | Feb 17, 2026 |
| Optiver Holding B.V. | Buy | +7 | — | 7 | $13.00 | Q4 2025 | Feb 17, 2026 |
| Velan Capital Investment Management Lp | Buy | +2,668,395 | — | 2,668,395 | $4.88M | Q4 2025 | Feb 13, 2026 |
| Morgan Stanley | Buy | +1,969,784 | — | 1,969,784 | $3.60M | Q4 2025 | Feb 13, 2026 |
| Carlyle Group Inc. | Buy | +1,066,189 | — | 1,066,189 | $1.94M | Q4 2025 | Feb 13, 2026 |
| Squarepoint Ops Llc | Buy | +281,926 | — | 281,926 | $515.92K | Q4 2025 | Feb 13, 2026 |
| Quarry Lp | Buy | +99,529 | — | 99,529 | $182.14K | Q4 2025 | Feb 13, 2026 |
| Jacobs Levy Equity Management, Inc | Buy | +54,800 | — | 54,800 | $100.28K | Q4 2025 | Feb 13, 2026 |
Frequently asked questions about JSPR activity
Which institutional owners are buying JSPR?
Institutional owners buying JSPR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in JSPR activity?
"Buy" means an investor increased their reported position in JSPR compared to the prior reporting period. This reflects growing exposure to JASPER THERAPEUTICS INC (JSPR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in JSPR increasing?
Institutional interest in JSPR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
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