Institutional Holders (2026 Q2)
43 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in JSPR. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Lion Point Capital, LP | 0.94% | 465,000 | $196K |
| 2 | Velan Capital Investment Management LP | 0.68% | 2,668,395 | $1.1M |
| 3 | Acorn Capital Advisors, LLC | 0.16% | 1,438,159 | $604K |
| 4 | Kingdon Capital Management, L.L.C. | 0.06% | 1,352,106 | $569K |
| 5 | Rock Springs Capital Management LP | 0.02% | 1,100,726 | $463K |
| 6 | Diker Management LLC | 0.01% | 35,000 | $15K |
| 7 | Quarry LP | 0.00% | 131,529 | $55K |
| 8 | Carlyle Group Inc. | 0.00% | 1,066,189 | $449K |
| 9 | ADAR1 Capital Management, LLC | 0.00% | 140,000 | $59K |
| 10 | Sequent Planning LLC | 0.00% | 14,900 | $6K |
| 11 | Ikarian Capital, LLC | 0.00% | 24,093 | $10K |
| 12 | Rehmann Capital Advisory Group | 0.00% | 15,300 | $6K |
| 13 | XTX Topco Ltd | 0.00% | 33,406 | $14K |
| 14 | Renaissance Technologies LLC | 0.00% | 237,900 | $100K |
| 15 | Tower Research Capital LLC (TRC) | 0.00% | 9,336 | $4K |
| 16 | Jain Global LLC | 0.00% | 51,185 | $22K |
| 17 | Millennium Management LLC | 0.00% | 486,933 | $205K |
| 18 | Engineers Gate Manager LP | 0.00% | 12,989 | $5K |
| 19 | Ieq Capital, LLC | 0.00% | 13,538 | $6K |
| 20 | Osaic Holdings, INC. | 0.00% | 45,850 | $19K |
| 21 | Vanguard Fiduciary Trust Co | 0.00% | 149,943 | $63K |
| 22 | Qube Research & Technologies Ltd | 0.00% | 33,722 | $14K |
| 23 | Group One Trading LLC | 0.00% | 19,930 | $8K |
| 24 | Vanguard Capital Management LLC | 0.00% | 1,172,021 | $493K |
| 25 | Citadel Advisors LLC | 0.00% | 206,000 | $87K |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|