Who owns Jasper Therapeutics, Inc.?
Institutional ownership of JSPR from SEC Form 13F filings across 29 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
29
13F holders
$1.7M
value, 2026 filers
25.5%
of shares outstanding (4.1M sh)
3
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of JSPR's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | KINGDON CAPITAL MANAGEMENT, L.L.C. | 1.4M | $569,237 | 0.1% | 8.3% | 0.0% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 1.2M | $493,421 | 0.0% | 7.2% | -50.0% |
| 3 | MILLENNIUM MANAGEMENT LLC | 486,933 | $204,999 | 0.0% | 3% | -69.9% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 263,808 | $111,086 | 0.0% | 1.6% | -17.0% |
| 5 | BlackRock, Inc. | 169,627 | $71,413 | 0.0% | 1% | -29.9% |
| 6 | VANGUARD FIDUCIARY TRUST CO | 149,943 | $63,126 | 0.0% | 0.9% | 0.0% |
| 7 | Quarry LP | 131,529 | $55,374 | 0.0% | 0.8% | 0.0% |
| 8 | JANE STREET GROUP, LLC | 101,743 | $42,834 | 0.0% | 0.6% | +375.1% |
| 9 | UBS Group AG | 58,759 | $24,737 | 0.0% | 0.4% | -27.6% |
| 10 | Jain Global LLC | 51,185 | $21,549 | 0.0% | 0.3% | +184.0% |
| 11 | OSAIC HOLDINGS, INC. | 45,850 | $19,298 | 0.0% | 0.3% | +12.2% |
| 12 | NORTHERN TRUST CORP | 41,882 | $17,632 | 0.0% | 0.3% | +21.1% |
| 13 | Qube Research & Technologies LtdNEW | 33,722 | $14,197 | 0.0% | 0.2% | new |
| 14 | Sequent Planning LLC | 14,900 | $6,273 | 0.0% | 0.1% | 0.0% |
| 15 | BANK OF AMERICA CORP /DE/ | 14,192 | $5,975 | 0.0% | 0.1% | -95.2% |
| 16 | IEQ CAPITAL, LLC | 13,538 | $5,699 | 0.0% | 0.1% | -73.7% |
| 17 | Engineers Gate Manager LP | 12,989 | $5,468 | 0.0% | 0.1% | -50.3% |
| 18 | LPL Financial LLC | 12,250 | $5,157 | 0.0% | 0.1% | 0.0% |
| 19 | SG Americas Securities, LLCNEW | 10,556 | $4 | 0.0% | 0.1% | new |
| 20 | Tower Research Capital LLC (TRC) | 9,336 | $3,930 | 0.0% | 0.1% | +48.1% |
| 21 | MORGAN STANLEY | 1,724 | $726 | 0.0% | 0% | -99.9% |
| 22 | Arax Advisory PartnersNEW | 573 | $241 | 0.0% | 0% | new |
| 23 | FEDERATED HERMES, INC. | 189 | $80 | 0.0% | 0% | -95.1% |
| 24 | NATIONAL BANK OF CANADA /FI/ | 160 | $63 | 0.0% | 0% | 0.0% |
| 25 | BNP PARIBAS FINANCIAL MARKETS | 141 | $59 | 0.0% | 0% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.