Jasper Therapeutics, Inc.
JSPR- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001788028
No open-market purchases or sales by Jasper Therapeutics, Inc. insiders were filed in the last 90 days; 45 institutions reported holding it in 13F filings for Q2 2026, worth $5.05M in total; no superinvestor holds it.
Other share classesJSPRW
Holders of 5% or more of JSPR
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Jasper Therapeutics, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Velan Capital Investment Management LP | 13G | 9.90%3.36M shares | +0.02 ppfrom 9.88% | Jan 27, 20235 filings | Aug 17, 2026 | SEC |
| T. Rowe Price Investment Management, Inc. | 13G | 7.10%2.06M shares | New | Nov 14, 20251 filing | Nov 14, 2025 | SEC |
| Acorn Bioventures, L.P. | 13G/A | 5.30%1.49M shares | −1.10 ppfrom 6.40% | Dec 2, 20252 filings | Jan 26, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
48 Schedule 13D and 13G filings on Jasper Therapeutics, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 17, 20264:08 PM ET | Velan Capital Investment Management LPand 11 others | 13G | 9.90%3.36M shares | +0.02 ppfrom 9.88% | Aug 17, 2026 | SEC |
| Jul 20, 20265:01 PM ET | Velan Capital Investment Management LPand 11 others | 13D/A | 9.88%3.35M shares | +0.28 ppfrom 9.60% | Jul 16, 2026 | SEC |
| Jul 10, 20266:20 PM ET | Integrated Core Strategies (US) LLCand 3 others | 13G/A | 1.70%486.9K shares | −4.10 ppfrom 5.80%Below 5% | Jun 30, 2026 | SEC |
| May 12, 202612:44 PM ET | Morgan Stanleyand 1 other | 13G/A | 4.80%1.33M shares | −2.20 ppfrom 7.00%Below 5% | Mar 31, 2026 | SEC |
| May 8, 20265:01 PM ET | Soleus Capital Master Fund, L.P.and 8 others | 13G/A | 1.00%276.3K shares | −8.96 ppfrom 9.96%Below 5% | Mar 31, 2026 | SEC |
| May 8, 20261:53 PM ET | Goldman Sachs Group Incand 1 other | 13G/A | 0.50%128.9K shares | −5.80 ppfrom 6.30%Below 5% | Mar 31, 2026 | SEC |
| Feb 25, 20264:47 PM ET | Integrated Core Strategies (US) LLCand 3 others | 13G | 5.80%1.63M shares | New | Feb 18, 2026 | SEC |
| Feb 18, 20265:29 PM ET | Carlyle Group Inc.and 9 others | 13D/A | 3.80%1.09M shares | –Below 5% | Feb 18, 2026 | SEC |
| Feb 12, 202610:33 AM ET | Goldman Sachs Group Incand 1 other | 13G | 6.30%1.76M shares | New | Dec 31, 2025 | SEC |
| Feb 11, 20261:38 PM ET | Morgan Stanleyand 1 other | 13G | 7.00%1.97M shares | +4.20 ppfrom 2.80% | Dec 31, 2025 | SEC |
| Jan 26, 20263:29 PM ET | Acorn Bioventures, L.P.and 4 others | 13G/A | 5.30%1.49M shares | −1.10 ppfrom 6.40% | Jan 23, 2026 | SEC |
| Dec 2, 202510:23 AM ET | Acorn Bioventures, L.P.and 4 others | 13G | 6.40%1.79M shares | New | Dec 1, 2025 | SEC |
| Nov 14, 20255:22 PM ET | Qiming U.S. Healthcare Fund II, L.P.and 3 others | 13G/A | 3.30%929.0K shares | –Below 5% | Sep 30, 2025 | SEC |
| Nov 14, 202512:18 PM ET | T. Rowe Price Investment Management, Inc. | 13G | 7.10%2.06M shares | New | Sep 30, 2025 | SEC |
| Nov 12, 20251:04 PM ET | Kingdon Capital Management, L.L.C.and 1 other | 13G/A | 4.70%1.32M shares | −0.40 ppfrom 5.10%Below 5% | Sep 30, 2025 | SEC |
| Nov 7, 202512:45 PM ET | Morgan Stanley | 13G/A | 2.80%784.6K shares | −2.20 ppfrom 5.00%Below 5% | Sep 30, 2025 | SEC |
| Sep 23, 20255:07 PM ET | Velan Capital Investment Management LPand 11 others | 13D/A | 9.60%2.67M shares | – | Sep 19, 2025 | SEC |
| Aug 6, 20254:46 PM ET | Morgan Stanley | 13G | 5.00%758.5K shares | New | Jun 30, 2025 | SEC |
| Jul 17, 20258:12 PM ET | BlackRock, Inc. | 13G/A | 1.50%225.6K shares | –Below 5% | Jun 30, 2025 | SEC |
| Jul 11, 202512:30 PM ET | Kingdon Capital Management, L.L.C.and 1 other | 13G | 5.10%765.0K shares | New | Jul 3, 2025 | SEC |
| Feb 11, 20254:00 PM ET | Soleus Capital Master Fund, L.P.and 8 others | 13G/A | 9.96%1.49M shares | – | Dec 31, 2024 | SEC |
| Feb 27, 2023 | Velan Capital Investment Management LP | 13DOld format | – | – | – | SEC |
| Feb 14, 2023 | Citadel Advisors LLC | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2023 | Roche Finance Ltd | 13G/AOld format | – | – | – | SEC |
| Feb 6, 2023 | Biotechnology Value Fund L P | 13GOld format | – | New | – | SEC |
| Jan 31, 2023 | Carlyle Group Inc. | 13D/AOld format | – | – | – | SEC |
| Jan 30, 2023 | Soleus Capital Master Fund, L.P. | 13GOld format | – | New | – | SEC |
| Jan 27, 2023 | Velan Capital Investment Management LP | 13G/AOld format | – | – | – | SEC |
| Aug 11, 2022 | Carlyle Group Inc. | 13D/AOld format | – | – | – | SEC |
| Apr 28, 2022 | Amplitude Healthcare Holdings LLC | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | UBS Oconnor LLC | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Citadel Advisors LLC | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2022 | Beryl Capital Management LLC | 13G/AOld format | – | – | – | SEC |
| Feb 3, 2022 | Tenor Capital Management Co., L.P. | 13G/AOld format | – | – | – | SEC |
| Oct 4, 2021 | Citadel Advisors LLC | 13GOld format | – | New | – | SEC |
| Oct 4, 2021 | Roche Finance Ltd | 13GOld format | – | New | – | SEC |
| Oct 4, 2021 | Amplitude Healthcare Holdings LLC | 13GOld format | – | – | – | SEC |
| Oct 4, 2021 | Avego Management LLC | 13GOld format | – | New | – | SEC |
| Oct 4, 2021 | Abingworth LLP | 13DOld format | – | New | – | SEC |
| Oct 1, 20215:27 PM ET | Amgen Inc | 13GOld format | – | New | – | SEC |
| Oct 1, 2021 | Qiming U.S. Healthcare Fund II, L.P. | 13GOld format | – | New | – | SEC |
| Sep 17, 2021 | Beryl Capital Management LLC | 13GOld format | – | New | – | SEC |
| Jul 12, 2021 | Glazer Capital, LLC | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Amplitude Healthcare Holdings LLC | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | UBS Oconnor LLC | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Owl Creek Asset Management, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Glazer Capital, LLC | 13G/AOld format | – | – | – | SEC |
| Feb 8, 2021 | Tenor Capital Management Co., L.P. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Jasper Therapeutics, Inc. shares.
No Form 144 notices for Jasper Therapeutics, Inc. are on file.