Jasper TherapeuticsJSPR

13F holders, Q4 2025 (December 31)
55holders −5
11new positions
15sold out
2famous investors
$1.83avg. 13F price*

At the end of Q4 2025, 55 institutions reported holding Jasper Therapeutics Inc. (JSPR) in their 13F filings, down 5 from Q3 2025. 11 opened new positions and 15 sold out. The largest holders were Velan Capital Investment Management LP ($4.9M), Morgan Stanley ($3.6M) and Acorn Capital Advisors, LLC ($3.3M). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Jasper Therapeutics Inc.
CUSIP
471871202
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080100 Q1 2024: 61Q1 2024Q2 2024: 69Q2 2024Q3 2024: 81Q3 2024Q4 2024: 87Q4 2024Q1 2025: 68Q1 2025Q2 2025: 65Q2 2025Q3 2025: 60Q3 2025Q4 2025: 55Q4 2025Q1 2026: 58Q1 2026Q2 2026: 45Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions11$960K
Exits15$10.2M

All 13F filers, Q3 2025 → Q4 2025: 5,820,740 shares bought and 5,826,381 shares sold, net −5,641 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 55 holders

Velan Capital Investment Management LP 2.84% No change 2,668,395 $4.9M
Morgan Stanley 0.00% Add +149.3% 1,969,785 $3.6M
Acorn Capital Advisors, LLC 1.11% Add +29.2% 1,786,492 $3.3M
Goldman Sachs Group Inc. 0.00% Add +6394.9% 1,746,492 $3.2M
Vanguard Group Inc. 0.00% Add +28.4% 1,326,512 $2.4M
Rock Springs Capital Management LP 0.10% No change 1,100,726 $2.0M
Millennium Management 0.00% Add +194.2% 1,073,783 $2.0M
Carlyle Group Inc. 0.01% No change 1,066,189 $1.9M
Woodline Partners LP 0.01% Add +0.1% 1,040,704 $1.9M
T. Rowe Price Investment Management, Inc. 0.00% Reduce -6.2% 964,754 $1.8M
Boothbay Fund Management, LLC 0.04% Add +79.4% 793,954 $1.5M
Sphera Funds Management LTD. 0.19% Reduce -22.9% 485,401 $888K
Lion Point Capital, LP 4.40% Add +16.7% 465,000 $851K
Bank of America Corp. 0.00% Reduce -0.5% 293,027 $536K
Squarepoint Ops LLC 0.00% Add +1919.5% 281,926 $516K
BlackRock, Inc. 0.00% Add +15.3% 236,224 $432K
Renaissance Technologies 0.00% Add +9.0% 227,183 $416K
Geode Capital Management, LLC 0.00% Add +61.9% 211,857 $388K
Soleus Capital Management, L.P. 0.02% Reduce -86.6% 200,000 $366K
Knott David M Jr 0.15% Add +5.8% 181,389 $332K
ADAR1 Capital Management, LLC 0.02% New 140,000 $256K
UBS Group AG 0.00% Add +221.1% 126,361 $231K
Susquehanna International Group, LLP 0.00% Add +194.4% 104,787 $192K
Quarry LP 0.03% New 99,529 $182K
Readystate Asset Management LP 0.01% No change 98,439 $180K
Gsa Capital Partners LLP 0.01% New 74,964 $137K
Quadrature Capital Ltd 0.00% New 67,267 $123K
Jacobs Levy Equity Management, Inc. 0.00% New 54,800 $100K
Ieq Capital, LLC 0.00% Add +4.8% 50,428 $92K
State Street Corp. 0.00% No change 44,699 $82K
Jain Global LLC 0.00% New 43,301 $79K
Osaic Holdings, Inc. 0.00% Reduce -2.0% 40,850 $75K
Northern Trust Corp. 0.00% Add +2.0% 34,576 $63K
Ikarian Capital, LLC 0.01% Reduce -4.0% 24,093 $44K
Panagora Asset Management Inc. 0.00% New 19,362 $35K
Dimensional Fund Advisors LP 0.00% Reduce -52.1% 18,664 $34K
Engineers Gate Manager LP 0.00% New 14,257 $26K
Sequent Planning LLC 0.01% No change 12,500 $23K
FMR LLC 0.00% Add +0.4% 11,949 $22K
Jane Street Group, LLC 0.00% New 10,364 $19K
Federated Hermes, Inc. 0.00% Add +76.9% 4,947 $9K
Wells Fargo & Company 0.00% Reduce -43.5% 1,300 $2K
Tower Research Capital LLC (TRC) 0.00% Add +114000.0% 1,141 $2K
Group One Trading LLC 0.00% Reduce -95.5% 788 $1K
Citigroup Inc. 0.00% New 642 $1K
US Bancorp \de 0.00% No change 500 $915
National Bank of Canada 0.00% Add +100.0% 160 $291
BNP Paribas Financial Markets 0.00% No change 141 $258
SBI Securities Co., Ltd. 0.00% Reduce -1.5% 65 $119
Jones Financial Companies LLLP 0.00% No change 50 $92
JPMorgan Chase & Co. 0.00% Reduce -95.7% 9 $16
Optiver Holding B.V. 0.00% Add +16.7% 7 $13
Barclays PLC 0.00% No change 1 $2
Royal Bank of Canada 0.00% Reduce -97.4% 75 $0
Avion Wealth 0.00% New 214 $0

"% of holder's portfolio" is JSPR's weight in each manager's 13F, not the share of Jasper Therapeutics Inc. the manager owns.