Jasper Therapeutics
JSPR · NASDAQ
$0.4999+$0.0225 (+4.71%)TodayMarket closed ·
Prev close $0.4774
Who owns JSPR
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 33.8% of JSPR’s shares.
- Velan Capital Investment Management LP8.0%
- Acorn Capital Advisors, LLC4.3%
- Kingdon Capital Management, L.L.C.4.1%
- Vanguard Capital Management, LLC3.5%
- Next 6 largest institutions13.9%
- All other shareholders66.2%
| Holder | Shares | % of shares |
|---|---|---|
| Velan Capital Investment Management LP | 2.65M | 7.96% |
| Acorn Capital Advisors, LLC | 1.44M | 4.32% |
| Kingdon Capital Management, L.L.C. | 1.35M | 4.06% |
| Vanguard Capital Management, LLC | 1.17M | 3.52% |
| Rock Springs Capital Management LP | 1.10M | 3.31% |
| Abingworth Management Limited | 1.07M | 3.20% |
| Qiming U.S. Ventures Management, LLC | 928.96K | 2.79% |
| GSA Capital Partners LLP | 534.70K | 1.61% |
| Crutcher (Patrick J) | 518.33K | 1.56% |
| Millennium Management LLC | 486.93K | 1.46% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 833.39K | 2.50% |
| Vanguard Extended Market Index Fund | 312.03K | 0.94% |
| Fidelity Extended Market Index Fund | 127.53K | 0.38% |
| Fidelity Total Market Index Fund | 49.90K | 0.15% |
| Fidelity Series Total Market Index Fund | 34.11K | 0.10% |
Insider trades
Form 4 filings by officers, directors and large holders
Insiders made no open-market buys or sales of JSPR in the last 6 months.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Shizuru Judith Anne | Award | 7.50K | — |
| Lucas Svetlana | Award | 7.50K | — |
| Crutcher Patrick J | Award | 7.50K | — |
| EMSTER KURT VON | Award | 7.50K | — |
| WIGGANS THOMAS G | Award | 7.50K | — |
| Ros Matthew E | Buy | 881 | — |
| Crutcher Patrick J | Buy | 888 | — |
| Crutcher Patrick J | Award | 15.00K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 6.22M
- Days to cover
- 16.30
- % of shares outstanding
- 18.69%
- Average daily volume
- 381.58K
- Change since last report
- +7.1%
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