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JASPER THERAPEU (JSPR)
NASDAQ
$0.51-$0.04 (-7.13%)
Price as of Jun 03, 2026 7:20 PM EDT- $23.2MMarket Cap
- -90.66%1-Year Change
- BiotechnologyIndustry
JASPER THERAPEU (JSPR)
$0.51-$0.04 (-7.13%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
ABINGWORTH LLP | 34.63% | 5.6M | 0 (0.00%) | Dec 31, 2022 |
VELAN CAPITAL INVESTMENT MANAGEMENT LP | 16.42% | 2.7M | 0 (0.00%) | Mar 31, 2026 |
MILLENNIUM MANAGEMENT LLC | 9.95% | 1.6M | +543,748 (+33.62%) | Mar 31, 2026 |
ACORN CAPITAL ADVISORS, LLC | 8.68% | 1.4M | -375,000 (-26.57%) | Mar 31, 2026 |
KINGDON CAPITAL MANAGEMENT, L.L.C. | 8.32% | 1.4M | +1.4M (+100.00%) | Mar 31, 2026 |
MORGAN STANLEY | 8.20% | 1.3M | -636,365 (-47.72%) | Mar 31, 2026 |
VANGUARD GROUP INC | 8.16% | 1.3M | +293,670 (+22.14%) | Dec 31, 2025 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 31.34% | 5.1M | 0 (0.00%) | Mar 31, 2026 |
FRANKLIN STRATEGIC SERIES | 8.86% | 1.4M | 0 (0.00%) | Jan 31, 2026 |
FIDELITY CONCORD STREET TRUST | 5.09% | 827,978 | 0 (0.00%) | Feb 28, 2026 |
Simplify Exchange Traded Funds | 3.75% | 609,053 | 0 (0.00%) | Mar 31, 2026 |
iSHARES TRUST | 1.09% | 177,380 | 0 (0.00%) | Feb 28, 2026 |
VANGUARD INSTITUTIONAL INDEX FUNDS | 0.46% | 74,930 | 0 (0.00%) | Mar 31, 2026 |
VANGUARD VALLEY FORGE FUNDS | 0.36% | 57,934 | 0 (0.00%) | Mar 31, 2026 |
Current Ownership Distribution
- Institutions552.7M (85.59%)
- Mutual Funds68.6M (10.62%)
- Insiders24.5M (3.79%)
- Other0 (0.00%)
Insider Transactions
- 3.79% (24.5M)Current InsiderOwnership (%, shares)
- 3Number of InsiderBuying (last 12 months)
- $80,476.74Amount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Mahal Jeetinder Singh CEO and President | Award | Feb 06, 2026 | $0.00 | 500,000 | $0.00 | 500,000 |
CROSS HERB Chief Financial Officer | Award | Jan 02, 2026 | $0.00 | 90,000 | $0.00 | 90,000 |
Mahal Jeetinder Singh Chief Operating Officer | Award | Jan 02, 2026 | $0.00 | 90,000 | $0.00 | 90,000 |
WIGGANS THOMAS G | Buy | Sep 22, 2025 | $0.00 | 41,000 | $0.00 | 41,000 |
Lucas Svetlana | Buy | Sep 22, 2025 | $0.00 | 20,000 | $0.00 | 20,000 |
MARTELL RON President and CEO | Buy | Sep 22, 2025 | $0.00 | 41,000 | $0.00 | 41,000 |
Lucas Svetlana | Buy | Sep 22, 2025 | $48,600.00 | 20,000 | $2.43 | 20,000 |
WIGGANS THOMAS G | Buy | Sep 22, 2025 | $99,630.00 | 41,000 | $2.43 | 41,000 |
MARTELL RON President and CEO | Buy | Sep 22, 2025 | $99,630.00 | 41,000 | $2.43 | 74,118 |
EMSTER KURT VON | Award | Jul 03, 2025 | $0.00 | 7,500 | $0.00 | 7,500 |
Nolet Chris | Award | Jul 03, 2025 | $0.00 | 7,500 | $0.00 | 7,500 |
Lucas Svetlana | Award | Jul 03, 2025 | $0.00 | 7,500 | $0.00 | 7,500 |
Shizuru Judith Anne | Award | Jul 03, 2025 | $0.00 | 7,500 | $0.00 | 7,500 |
Kapoor Vishal | Award | Jul 03, 2025 | $0.00 | 7,500 | $0.00 | 7,500 |
WIGGANS THOMAS G | Award | Jul 03, 2025 | $0.00 | 7,500 | $0.00 | 7,500 |
MARTELL RON President and CEO | Award | Jun 04, 2025 | $0.00 | 234,000 | $0.00 | 234,000 |
MARTELL RON President, CEO and Director | Award | Feb 13, 2025 | $0.00 | 130,000 | $0.00 | 130,000 |
Mahal Jeetinder Singh Chief Operating Officer | Award | Feb 13, 2025 | $0.00 | 50,000 | $0.00 | 50,000 |
CROSS HERB Chief Financial Officer | Award | Feb 13, 2025 | $0.00 | 50,000 | $0.00 | 50,000 |
Tucker Edwin Jonathan Chief Medical Officer | Award | Feb 13, 2025 | $0.00 | 50,000 | $0.00 | 50,000 |
Mahal Jeetinder Singh Chief Operating Officer | Exempt | Dec 12, 2024 | $0.00 | 900 | $0.00 | 13,772 |
Mahal Jeetinder Singh Chief Operating Officer | Exempt | Dec 12, 2024 | $6,390.00 | 900 | $7.10 | 25,909 |
Mahal Jeetinder Singh Chief Operating Officer | Sell | Dec 12, 2024 | $19,899.00 | 900 | $22.11 | 25,009 |
Lucas Svetlana | Award | Jun 18, 2024 | $0.00 | 15,000 | $0.00 | 15,000 |
Mahal Jeetinder Singh Chief Operating Officer | Exempt | Jun 12, 2024 | $0.00 | 900 | $0.00 | 15,572 |
Mahal Jeetinder Singh Chief Operating Officer | Exempt | Jun 12, 2024 | $6,390.00 | 900 | $7.10 | 25,909 |
Mahal Jeetinder Singh Chief Operating Officer | Sell | Jun 12, 2024 | $21,739.50 | 900 | $24.16 | 25,009 |
MARTELL RON President, CEO and Director | Award | Jun 10, 2024 | $0.00 | 10,000 | $0.00 | 10,000 |
MARTELL RON President, CEO and Director | Award | Jun 10, 2024 | $0.00 | 20,000 | $0.00 | 20,000 |
Tucker Edwin Jonathan Chief Medical Officer | Award | Jun 07, 2024 | $1,669.40 | 400 | $4.17 | 400 |