52% buyers of institutions opening or closing positions this quarter
1 more new buyers than exits, ownership fell 16.69 percentage points vs the prior quarter, and 1 well-known fund manager in the top 25.
52% buyers of institutions opening or closing positions this quarter
183.3% institutional ownership
Lion Point Capital, portfolio allocation
Institutional ownership vs Biotechnology peers
No Form 4 insider transactions on file
Latest positioning in JSPR across 13F flow, ownership shift, marquee holders, and holder-count growth.
Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in JSPR held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Velan Capital Investment Management LP | 2.7M | $2.3M | 0.0% | 16.418% | 1.46% |
| 2 | MILLENNIUM MANAGEMENT LLC | 1.6M | $1.4M | +50.6% | 9.953% | 0.00% |
| 3 | ACORN CAPITAL ADVISORS, LLC | 1.4M | $1.2M | -21.0% | 8.685% | 0.35% |
| 4 | KINGDON CAPITAL MANAGEMENT, L.L.C. | 1.4M | $1.2M | β | 8.319% | 0.13% |
| 5 | MORGAN STANLEY | 1.3M | $1.2M | -32.3% | 8.204% | 0.00% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 1.2M | $1.0M | β | 7.215% | 0.00% |
| 7 | Rock Springs Capital Management LP | 1.1M | $964K | 0.0% | 6.773% | 0.06% |
| 8 | Carlyle Group Inc. | 1.1M | $934K | 0.0% | 6.560% | 0.01% |
| 9 | BOOTHBAY FUND MANAGEMENT, LLC | 583K | $511K | -26.6% | 3.586% | 0.01% |
| 10 | Lion Point Capital, LP | 465K | $407K | 0.0% | 2.861% | 2.44% |
| 11 | JACOBS LEVY EQUITY MANAGEMENT, INC | 322K | $282K | +488.1% | 1.983% | 0.00% |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 318K | $278K | +50.0% | 1.955% | 0.00% |
| 13 | BANK OF AMERICA CORP /DE/ | 293K | $257K | +0.1% | 1.804% | 0.00% |
| 14 | Soleus Capital Management, L.P. | 276K | $242K | +38.2% | 1.700% | 0.01% |
| 15 | BlackRock, Inc. | 242K | $212K | +2.5% | 1.489% | 0.00% |
| 16 | RENAISSANCE TECHNOLOGIES LLC | 178K | $156K | -21.9% | 1.092% | 0.00% |
| 17 | Knott David M Jr | 161K | $141K | -11.4% | 0.989% | 0.08% |
| 18 | VANGUARD FIDUCIARY TRUST CO | 150K | $131K | β | 0.923% | 0.00% |
| 19 | ADAR1 Capital Management, LLC | 140K | $123K | 0.0% | 0.861% | 0.01% |
| 20 | Quarry LP | 132K | $115K | +32.1% | 0.809% | 0.02% |
| 21 | UBS Group AG | 81K | $71K | -35.8% | 0.499% | 0.00% |
| 22 | Verdad Advisers, LP | 74K | $65K | β | 0.455% | 0.07% |
| 23 | Marex Group plc | 13K | $57K | β | 0.082% | 0.00% |
| 24 | Squarepoint Ops LLC | 65K | $57K | -77.0% | 0.399% | 0.00% |
| 25 | IEQ CAPITAL, LLC | 51K | $45K | +2.0% | 0.316% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in JSPR β a direct measure of their conviction.
Filings activity in JSPR during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new JSPR position in Q1 2026
Institutions that fully closed their JSPR position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 57 | +1.8% | 183.30% | 16.69 pp | $14M | 59% |
| Q4 2025 | 56 | 5.1% | 199.99% | +0.00 pp | $34M | 26% |
| Q3 2025 | 59 | 9.2% | 199.99% | +0.00 pp | $46M | 31% |
| Q2 2025 | 65 | 3.0% | 199.99% | +0.00 pp | $66M | +28% |
| Q1 2025 | 67 | 22% | 199.99% | +0.00 pp | $51M | 84% |
| Q4 2024 | 86 | +10% | 199.99% | +0.00 pp | $327M | +19% |
| Q3 2024 | 78 | +13% | 199.99% | +0.00 pp | $276M | 16% |
| Q2 2024 | 69 | β | 199.99% | β | $330M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
No recent Form 4 insider transactions on file for JSPR.
Quick answers to the most common questions about buying JSPR stock.
Based on Q1 2026 13F filings, institutional ownership of Jasper Therapeutics, Inc. stands at 183.3%, held across 57 reporting institutions.
Velan Capital Investment Management LP is the largest reported institutional holder of JSPR, with approximately 2,668,395 shares worth $0.00B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of JSPR, including RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for JSPR is 40 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
14 institutions opened new positions in JSPR during Q1 2026, while 13 fully exited. 2 added to existing positions and 40 trimmed.
JSPR institutional ownership fell by 16.69 percentage points quarter-over-quarter, with a net change of +1 holders.
The top 10 institutions account for 80.6% of all reported 13F value in JSPR, and the top 25 account for 96.7%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.