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Equibles

JSPR

Jasper Therapeutics, Inc.

Company with tickers: JSPR, JSPRW

CIK
1788028
CUSIP
471871202
Shares Outstanding
27,996,819
13F Activity (30d)
53 filings 51 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 59
Total Value: $13,986,587
Total Shares: 15,966,460

Institutional Ownership Trend

10 quarters

Holder Concentration

Across 59 13F filers · Δ vs Dec 31, 2025
Top Holder
16.7%
Dec 2023 → Mar 2026 · range 9.6% – 100.0%
+3.0 pts
Top 5
52.5%
Dec 2023 → Mar 2026 · range 37.3% – 100.0%
+3.6 pts
Top 10
80.0%
Dec 2023 → Mar 2026 · range 57.4% – 100.0%
+4.0 pts
HHI
793
Dec 2023 → Mar 2026 · range 463 – 10,000
Broadly held+100

Quarterly Activity

vs Dec 31, 2025
New
13
Increased
16
Decreased
13
Sold Out
10
Unchanged
17
Holder count: +3
Institutional value: -60.6%
Shares held: -17.8%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega MILLENNIUM MANAGEMENT LLC +543,748 1,617,531
Large JACOBS LEVY EQUITY MANAGEMENT, INC +267,473 322,273
Mega GEODE CAPITAL MANAGEMENT, LLC +105,820 317,677
Mid Soleus Capital Management, L.P. +76,312 276,312
Small Quarry LP +32,000 131,529

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega MORGAN STANLEY −636,365 1,333,420
Small ACORN CAPITAL ADVISORS, LLC −375,000 1,411,492
Large Squarepoint Ops LLC −217,011 64,915
Mid BOOTHBAY FUND MANAGEMENT, LLC −211,203 582,751
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP −138,538 11,149

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Small KINGDON CAPITAL MANAGEMENT, L.L.C. 1,352,106 $1,184,444
Mega VANGUARD CAPITAL MANAGEMENT LLC 1,172,597 $1,027,194
Mega VANGUARD FIDUCIARY TRUST CO 149,943 $131,350
Micro Verdad Advisers, LP 73,967 $64,795
Large MARSHALL WACE, LLP 45,656 $39,994

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega GOLDMAN SACHS GROUP INC 1,746,492 $3,196,080
Mega VANGUARD GROUP INC 1,326,512 $2,427,515
Large Woodline Partners LP 1,040,704 $1,904,488
Mega T. Rowe Price Investment Management, Inc. 964,754 $1,765,499
Small SPHERA FUNDS MANAGEMENT LTD. 485,401 $888,283
Filter: New 13 Increased 16 Reduced 13 Sold out 10 Unchanged 17
Showing 61 of 61
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Small Velan Capital Investment Management LP $2,337,513 16.71% 2,668,395
Mega MILLENNIUM MANAGEMENT LLC $1,416,957 10.13% 1,617,531
Small ACORN CAPITAL ADVISORS, LLC $1,236,466 8.84% 1,411,492
Small KINGDON CAPITAL MANAGEMENT, L.L.C. $1,184,444 8.47% 1,352,106
Mega MORGAN STANLEY $1,168,073 8.35% 1,333,420
Mega VANGUARD CAPITAL MANAGEMENT LLC $1,027,194 7.34% 1,172,597
Mid Rock Springs Capital Management LP $964,235 6.89% 1,100,726
Large Carlyle Group Inc. $933,981 6.68% 1,066,189
Mid BOOTHBAY FUND MANAGEMENT, LLC $510,489 3.65% 582,751
Micro Lion Point Capital, LP $407,340 2.91% 465,000
Large JACOBS LEVY EQUITY MANAGEMENT, INC $282,311 2.02% 322,273
Mega GEODE CAPITAL MANAGEMENT, LLC $278,284 1.99% 317,677
Mega BANK OF AMERICA CORP /DE/ Bank $256,894 1.84% 293,259
Mid Soleus Capital Management, L.P. $242,049 1.73% 276,312
Mega BlackRock, Inc. $212,044 1.52% 242,061
Large RENAISSANCE TECHNOLOGIES LLC $155,490 1.11% 177,500
Small Knott David M Jr $140,851 1.01% 160,789
Mega VANGUARD FIDUCIARY TRUST CO Bank $131,350 0.94% 149,943
Mid ADAR1 Capital Management, LLC $122,640 0.88% 140,000
Small Quarry LP $115,219 0.82% 131,529
Mega UBS Group AG $71,058 0.51% 81,117
Mega JANE STREET GROUP, LLC $69,291 0.50% 79,100
Micro Verdad Advisers, LP $64,795 0.46% 73,967
Large Squarepoint Ops LLC $56,865 0.41% 64,915
Large IEQ CAPITAL, LLC $45,050 0.32% 51,428
Mega CITADEL ADVISORS LLC $40,383 0.29% 46,100
Large MARSHALL WACE, LLP $39,994 0.29% 45,656
Mega STATE STREET CORP $39,156 0.28% 44,699
Mid NINE MASTS CAPITAL Ltd $38,688 0.28% 44,165
Large OSAIC HOLDINGS, INC. $35,784 0.26% 40,850
Mid XTX Topco Ltd $34,541 0.25% 39,431
Small DIKER MANAGEMENT LLC $30,660 0.22% 35,000
Mega NORTHERN TRUST CORP Bank $30,288 0.22% 34,576
Mid SIMPLEX TRADING, LLC $25,643 0.18% 29,273
Mega CITADEL ADVISORS LLC $24,528 0.18% 28,000
Mid READYSTATE ASSET MANAGEMENT LP $24,089 0.17% 27,499
Mid Engineers Gate Manager LP $22,890 0.16% 26,131
Mid Ikarian Capital, LLC $21,105 0.15% 24,093
Large PANAGORA ASSET MANAGEMENT INC $18,871 0.13% 21,543
Mega JANE STREET GROUP, LLC $18,759 0.13% 21,415
Mid GSA CAPITAL PARTNERS LLP $16,717 0.12% 19,084
Mega DIMENSIONAL FUND ADVISORS LP $16,349 0.12% 18,664
Large Jain Global LLC $15,787 0.11% 18,022
Small Rehmann Capital Advisory Group $13,402 0.10% 15,300
Micro Sequent Planning LLC $13,052 0.09% 14,900
Mega LPL Financial LLC $10,731 0.08% 12,250
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $9,766 0.07% 11,149
Mid Tower Research Capital LLC (TRC) $5,523 0.04% 6,305
Mega Vanguard Global Advisers, LLC $3,479 0.02% 3,972
Large FEDERATED HERMES, INC. $3,388 0.02% 3,868
Mid GROUP ONE TRADING LLC $775 0.01% 885
Mega WELLS FARGO & COMPANY/MN $438 0.00% 500
Large US BANCORP \DE\ Bank $438 0.00% 500
Large NATIONAL BANK OF CANADA /FI/ Bank $140 0.00% 160
Mega BNP PARIBAS ARBITRAGE, SA $123 0.00% 141
Mega ROYAL BANK OF CANADA Bank $105 0.00% 120
Mid SBI Securities Co., Ltd. Broker-Dealer $56 0.00% 65
Large JONES FINANCIAL COMPANIES LLLP $43 0.00% 50
Mega JPMORGAN CHASE & CO $7 0.00% 9
Mid Optiver Holding B.V. $6 0.00% 7
Small Caitong International Asset Management Co., Ltd $0 0.00% 1

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