Latest Period
Q2 2026
CUSIP: 471871202
Latest Period
Q2 2026
Institutions Reporting
42
Shares (Excl. Options)
11,986,564
Price
$0.42
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Latest holder context comes from 42 institutions filings for Q2 2026.
Security key
471871202
Latest holder period
Q2 2026
13F holders
42
13D/G owners
11
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP 471871202:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Velan Capital Investment Management LP | 9.9% | +0.2% | $1,412,606 | +$5,796 | 3,363,347 | +0.41% | Velan Capital Investment Management LP | 17 Aug 2026 |
| T. Rowe Price Investment Management, Inc. | 7.1% | $4,897,117 | 2,057,612 | T. Rowe Price Investment Management, Inc. | 30 Sep 2025 | |||
| ACORN BIOVENTURES, L.P. | 5.3% | -18% | $2,660,821 | -$537,000 | 1,486,492 | -17% | Anders Hove | 23 Jan 2026 |
| MORGAN STANLEY | 4.8% | -31% | $1,226,746 | -$585,456 | 1,333,420 | -32% | Morgan Stanley | 31 Mar 2026 |
| KINGDON CAPITAL MANAGEMENT, L.L.C. | 4.7% | -8% | $3,153,131 | +$1,332,431 | 1,324,845 | +73% | Kingdon Capital Management, L.L.C. | 30 Sep 2025 |
| Carlyle Group Inc. | 3.8% | $1,665,114 | 1,088,310 | The Carlyle Group Inc. | 18 Feb 2026 | |||
| Qiming U.S. Healthcare Fund II, L.P. | 3.3% | $2,210,934 | 928,964 | Qiming U.S. Healthcare Fund II, L.P. | 30 Sep 2025 | |||
| INTEGRATED CORE STRATEGIES (US) LLC | 1.7% | -68% | $228,859 | -$536,778 | 486,933 | -70% | Millennium Management LLC | 30 Jun 2026 |
| Soleus Capital Master Fund, L.P. | 1% | -90% | $254,207 | -$1,120,659 | 276,312 | -82% | Soleus Capital Management, L.P. | 31 Mar 2026 |
| BlackRock, Inc. | 1.5% | $1,252,311 | 225,605 | BlackRock, Inc. | 30 Jun 2025 | |||
| GOLDMAN SACHS GROUP INC | 0.5% | -97% | $118,553 | -$1,505,107 | 128,862 | -93% | THE GOLDMAN SACHS GROUP, INC. | 31 Mar 2026 |
As of 30 Jun 2026, 42 institutional investors reported holding 11,986,564 shares of Jasper Therapeutics, Inc. - Voting Common Stock, par value $0.0001 per share (JSPR). This represents 35% of the company’s total 33,973,202 outstanding shares.
13F concentration
Largest 13F positions for this security by reported shares and value.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Velan Capital Investment Management LP | 7.9% | 2,668,395 | 0% | 0.69% | $1,123,394 |
| ACORN CAPITAL ADVISORS, LLC | 4.2% | 1,438,159 | +1.9% | 0.16% | $604,027 |
| KINGDON CAPITAL MANAGEMENT, L.L.C. | 4% | 1,352,106 | 0% | 0.08% | $569,237 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.4% | 1,172,021 | -0.05% | 0% | $493,421 |
| Rock Springs Capital Management LP | 3.2% | 1,100,726 | 0% | 0.02% | $463,406 |
| Carlyle Group Inc. | 3.1% | 1,066,189 | 0% | 0% | $448,866 |
| GSA CAPITAL PARTNERS LLP | 1.6% | 534,697 | +2702% | 0.01% | $225,000 |
| MILLENNIUM MANAGEMENT LLC | 1.4% | 486,933 | -70% | 0% | $204,999 |
| Lion Point Capital, LP | 1.4% | 465,000 | 0% | 0.94% | $195,765 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.78% | 263,808 | -17% | 0% | $111,086 |
| RENAISSANCE TECHNOLOGIES LLC | 0.7% | 237,900 | +34% | 0% | $100,156 |
| BlackRock, Inc. | 0.5% | 169,627 | -30% | 0% | $71,413 |
| VANGUARD FIDUCIARY TRUST CO | 0.44% | 149,943 | 0% | 0% | $63,126 |
| ADAR1 Capital Management, LLC | 0.41% | 140,000 | 0% | 0% | $58,940 |
| Quarry LP | 0.39% | 131,529 | 0% | 0.01% | $55,374 |
| JANE STREET GROUP, LLC | 0.3% | 101,743 | +375% | 0% | $42,834 |
| UBS Group AG | 0.17% | 58,759 | -28% | 0% | $24,737 |
| Jain Global LLC | 0.15% | 51,185 | +184% | 0% | $21,549 |
| OSAIC HOLDINGS, INC. | 0.13% | 45,850 | +12% | 0% | $19,298 |
| STATE STREET CORP | 0.13% | 44,699 | 0% | 0% | $18,818 |
| NORTHERN TRUST CORP | 0.12% | 41,882 | +21% | 0% | $17,632 |
| DIKER MANAGEMENT LLC | 0.1% | 35,000 | 0% | 0.01% | $15,000 |
| Qube Research & Technologies Ltd | 0.1% | 33,722 | 0% | $14,197 | |
| XTX Topco Ltd | 0.1% | 33,406 | -15% | 0% | $14,064 |
| SIMPLEX TRADING, LLC | 0.08% | 28,591 | -2.3% | 0% | $12,036 |
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 11,986,564 | $5,044,629 | -$2,319,968 | $0.42 | 42 |
| 2026 Q1 | 15,813,140 | $13,860,993 | -$7,106,029 | $0.88 | 57 |
| 2025 Q4 | 19,220,734 | $35,163,686 | -$2,365,311 | $1.83 | 53 |
| 2025 Q3 | 20,155,363 | $47,814,871 | +$13,375,643 | $2.38 | 60 |
| 2025 Q2 | 12,514,434 | $69,456,410 | -$2,535,024 | $5.55 | 63 |
| 2025 Q1 | 13,034,173 | $56,047,183 | -$70,633,595 | $4.30 | 66 |
| 2024 Q4 | 15,646,434 | $334,368,683 | +$15,008,656 | $21.38 | 84 |
| 2024 Q3 | 14,676,954 | $274,620,688 | -$5,485,865 | $18.81 | 77 |
| 2024 Q2 | 14,557,013 | $329,580,756 | +$34,893,415 | $22.70 | 67 |
| 2024 Q1 | 12,950,959 | $379,146,145 | +$364,621,578 | $29.36 | 56 |
| 2023 Q4 | 494,706 | $390,323 | +$390,323 | $0.79 | 1 |