Vault-13

JASPER THERAPEUTICS INC JSPR

COM NEW · Common Stock · CUSIP 471871202 · ISIN US4718712023

70 institutional holders +8 vs Q1 2024
14,570,88514.6m shares reported held*
$329.9mreported value*
25 new 16 added 12 reduced 18 sold out net bought ≈ $27.8m (+1.2m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $22.64. Options: 5 managers hold calls ($3.2m notional), 4 hold puts ($1.0m).

Trends to Q2 2024

Institutional holders

Managers reporting a position, each quarter

0255075Q4 23: 1Q1 24: 62Q2 24: 7070Q4 23Q1 24Q2 24
Numbers
QuarterHolders
Q4 20231
Q1 202462
Q2 202470

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q1 24: 61 bought or addedQ1 24: 1 cut or sold outQ1 24Q2 24: 41 bought or addedQ2 24: 30 cut or sold outQ2 24
Numbers
QuarterBought or addedCut or sold out
Q1 2024611
Q2 20244130

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$2m$4m$6mQ3 23 calls: $0Q3 23 puts: $0Q3 23P/C —Q4 23 calls: $0Q4 23 puts: $0Q4 23P/C —Q1 24 calls: $4.3mQ1 24 puts: $854.9kQ1 24P/C 0.20Q2 24 calls: $3.2mQ2 24 puts: $1.0mQ2 24P/C 0.32
Numbers
QuarterCallsPutsP/C
Q3 2023$0$0—
Q4 2023$0$0—
Q1 2024$4.3m$854.9k0.20
Q2 2024$3.2m$1.0m0.32

Biggest buyers

Polar Capital Holdings Plc New +581,538+581.5k
BlackRock Inc. Added +499,558+499.6k
DEUTSCHE BANK AG\ New +194,435+194.4k
STATE STREET CORP Added +151,320+151.3k
GEODE CAPITAL MANAGEMENT, LLC Added +131,763+131.8k
Soleus Capital Management, L.P. Added +89,094+89.1k
VANGUARD GROUP INC Added +77,314+77.3k
Russell Investments Group, Ltd. Added +61,676+61.7k
Walleye Capital LLC New +52,669+52.7k
GOLDMAN SACHS GROUP INC New +36,201+36.2k

Biggest sellers

MORGAN STANLEY Reduced -219,832-219.8k
Octagon Capital Advisors LP Reduced -213,311-213.3k
MILLENNIUM MANAGEMENT LLC Reduced -88,376-88.4k
Ally Bridge Group (NY) LLC Reduced -71,329-71.3k
BANK OF MONTREAL /CAN/ Sold out -69,100-69.1k
SPHERA FUNDS MANAGEMENT LTD. Reduced -51,015-51.0k
Opaleye Management Inc. Reduced -43,573-43.6k
JANE STREET GROUP, LLC Sold out -41,894-41.9k
FRANKLIN RESOURCES INC Reduced -23,538-23.5k
HRT FINANCIAL LP Sold out -23,271-23.3k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $2.6m113.4k shares
LMR Partners LLP Unchanged $619.7k27.3k shares
CANTOR FITZGERALD, L. P. New $48.2k13.6k shares
SIMPLEX TRADING, LLC Reduced $6.0k300 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $742.3k32.7k shares
SIMPLEX TRADING, LLC Added $217.0k9.6k shares
CANTOR FITZGERALD, L. P. Reduced $70.5k10.0k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Velan Capital Investment Management LP 13G · passive investor no change · filed 2026-08-17 9.9% no change 3.4m≈ $1.4m 2026-08-17
T. Rowe Price Investment Management, Inc. 13G · institution new · filed 2025-11-14 7.1% new 2.1m≈ $866.3k 2025-11-14
BANK OF AMERICA CORP /DE/ 13G · institution new · filed 2026-10-28 6.4% new 2.1m≈ $898.4k 2026-10-28
ACORN BIOVENTURES, L.P. 13G · passive investor -1.1 pts · filed 2026-01-26 5.3% -1.1 pts 1.5m≈ $625.8k 2026-01-26

Fell to 5% or below in the last year: INTEGRATED CORE STRATEGIES (US) LLC (1.7%, 2026-07-10), MORGAN STANLEY (4.8%, 2026-05-12), GOLDMAN SACHS GROUP INC (0.5%, 2026-05-08), Soleus Capital Master Fund, L.P. (1.0%, 2026-05-08), Carlyle Group Inc. (3.8%, 2026-02-18), Qiming U.S. Healthcare Fund II, L.P. (3.3%, 2025-11-14), KINGDON CAPITAL MANAGEMENT, L.L.C. (4.7%, 2025-11-12)

Insider purchases and sales in Q2 2024

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
404Q3 22: 0 buyingQ3 22: 0 sellingQ4 22: 0 buyingQ4 22: 0 sellingQ4 22Q1 23: 0 buyingQ1 23: 0 sellingQ2 23: 0 buyingQ2 23: 4 sellingQ2 23Q3 23: 0 buyingQ3 23: 0 sellingQ4 23: 1 buyingQ4 23: 1 sellingQ4 23Q1 24: 0 buyingQ1 24: 1 sellingQ2 24: 0 buyingQ2 24: 1 sellingQ2 24
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20220—0——
Q4 20220—0——
Q1 20230—0——
Q2 20230—4$51.1k$14.9k
Q3 20230—0——
Q4 20231$31.2k1$6.8k$6.8k
Q1 20240—1$23.8k—
Q2 20240—1$21.7k$21.7k
DateInsiderTradeSharesPrice ValueTheir holding
2024-06-12 Mahal Jeetinder Singh Chief Operating Officer Sold plan 900 $24.16 $21.7k900 shares -4%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q2 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Velan Capital Investment Management LP 18.65% of their portfolio ALPHARETTA, GA 1,471,9041.5m $32.5m $32.5m 18.65% Unchanged
2 Soleus Capital Management, L.P. 2.55% of their portfolio GREENWICH, CT 1,276,1901.3m $29.0m $29.0m 2.55% Added +89.1k +89,094
3 Carlyle Group Inc. 2.30% of their portfolio WASHINGTON, DC 1,066,1891.1m $24.2m $24.2m 2.30% Unchanged
4 QIMING U.S. VENTURES MANAGEMENT, LLC 40.07% of their portfolio BELLEVUE, WA 928,964929.0k $21.1m $21.1m 40.07% Unchanged
5 Avidity Partners Management LP 0.75% of their portfolio DALLAS, TX 782,000782.0k $17.8m $17.8m 0.75% Added +22.0k +22,000
6 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 698,536698.5k $15.9m $15.9m 0.00% Reduced -23.5k -23,538
7 BlackRock Inc. 0.00% of their portfolio New York, NY 692,980693.0k $15.7m $15.7m 0.00% Added +499.6k +499,558
8 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 690,059690.1k $15.7m $15.7m 0.00% Added +77.3k +77,314
9 Polar Capital Holdings Plc 0.08% of their portfolio London, X0 581,538581.5k $13.2m $13.2m 0.08% New
10 SAMSARA BIOCAPITAL, LLC 2.49% of their portfolio PALO ALTO, CA 525,000525.0k $11.9m $11.9m 2.49% Unchanged
11 KINGDON CAPITAL MANAGEMENT, L.L.C. 1.74% of their portfolio NEW YORK, NY 497,000497.0k $11.3m $11.3m 1.74% Unchanged
12 SPHERA FUNDS MANAGEMENT LTD. 1.68% of their portfolio TEL AVIV, L3 454,227454.2k $10.3m $10.3m 1.68% Reduced -51.0k -51,015
13 Woodline Partners LP 0.09% of their portfolio San Francisco, CA 413,940413.9k $9.4m $9.4m 0.09% Added +34.7k +34,694
14 Rock Springs Capital Management LP 0.28% of their portfolio Baltimore, MD 404,335404.3k $9.2m $9.2m 0.28% Unchanged
15 GREAT POINT PARTNERS LLC 1.75% of their portfolio Greenwich, CT 402,015402.0k $9.1m $9.1m 1.75% Reduced -5.5k -5,535
16 Opaleye Management Inc. 2.03% of their portfolio BOSTON, MA 392,000392.0k $8.9m $8.9m 2.03% Reduced -43.6k -43,573
17 Boxer Capital, LLC 0.42% of their portfolio San Diego, CA 350,000350.0k $7.9m $7.9m 0.42% Unchanged
18 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 325,324325.3k $7.4m $7.4m 0.00% Added +5.5k +5,537
19 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 309,419309.4k $7.0m $7.0m 0.00% Reduced -219.8k -219,832
20 Octagon Capital Advisors LP 1.08% of their portfolio NEW YORK, NY 287,500287.5k $6.5m $6.5m 1.08% Reduced -213.3k -213,311
21 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 259,754259.8k $5.9m $5.9m 0.00% Added +131.8k +131,763
22 Ally Bridge Group (NY) LLC 2.96% of their portfolio NEW YORK, NY 218,614218.6k $5.0m $5.0m 2.96% Reduced -71.3k -71,329
23 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 194,435194.4k $4.4m $4.4m 0.00% New
24 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 191,319191.3k $4.3m $4.3m 0.00% Added +151.3k +151,320
25 STEMPOINT CAPITAL LP 0.96% of their portfolio NEW YORK, NY 143,775143.8k $3.3m $3.3m 0.96% Added +14.6k +14,564
26 Russell Investments Group, Ltd. 0.01% of their portfolio Seattle, WA 141,487141.5k $3.2m $3.2m 0.01% Added +61.7k +61,676
27 SILVERARC CAPITAL MANAGEMENT, LLC 0.62% of their portfolio BOSTON, MA 109,892109.9k $2.5m $2.5m 0.62% Unchanged
28 Ikarian Capital, LLC 0.74% of their portfolio DALLAS, TX 105,175105.2k $2.4m $2.4m 0.74% Unchanged
29 CANTOR FITZGERALD, L. P. 0.28% of their portfolio NEW YORK, NY 61,60361.6k $1.4m $1.4m 0.28% Added +26.6k +26,603
30 Walleye Capital LLC 0.01% of their portfolio NEW YORK, NY 52,66952.7k $1.2m $1.2m 0.01% New
31 Fernwood Investment Management, LLC 0.35% of their portfolio QUINCY, MA 49,47049.5k $1.1m $1.1m 0.35% Unchanged
32 Mariner, LLC 0.00% of their portfolio Overland Park, KS 47,32847.3k $1.1m $1.1m 0.00% Reduced -5.5k -5,498
33 LMR Partners LLP 0.02% of their portfolio LONDON, X0 39,82839.8k $904.1k $904.1k 0.02% Reduced -4.1k -4,117
34 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 36,20136.2k $821.8k $821.8k 0.00% New
35 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 32,57932.6k $739.5k $739.5k 0.00% New
36 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 32,40732.4k $735.6k $735.6k 0.00% New
37 Lion Point Capital, LP 2.27% of their portfolio NEW YORK, NY 32,00032.0k $726.4k $726.4k 2.27% Unchanged
38 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 29,29929.3k $665.1k $665.1k 0.00% Added +6.6k +6,602
39 BOOTHBAY FUND MANAGEMENT, LLC 0.02% of their portfolio NEW YORK, NY 23,32423.3k $529.5k $529.5k 0.02% Unchanged
40 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 22,99023.0k $521.9k $521.9k 0.00% Reduced -88.4k -88,376
41 Informed Momentum Co LLC 0.08% of their portfolio SOLANA BEACH, CA 21,52521.5k $488.6k $488.6k 0.08% Unchanged
42 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 20,68120.7k $469.5k $469.5k 0.00% New
43 BAMCO INC /NY/ 0.00% of their portfolio NEW YORK, NY 20,00020.0k $454.0k $454.0k 0.00% New
44 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 19,12119.1k $434.0k $434.0k 0.00% New
45 Shay Capital LLC 0.10% of their portfolio NEW YORK, NY 16,35716.4k $371.3k $371.3k 0.10% New
46 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 14,20414.2k $322.4k $322.4k 0.00% Added +3.0k +3,032
47 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 13,23113.2k $300.3k $300.3k 0.00% New
48 Alpine Global Management, LLC 0.04% of their portfolio NEW YORK, NY 10,71910.7k $243.3k $243.3k 0.04% New
49 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 9,6489.6k $219.0k $219.0k 0.00% New
50 Leonteq Securities AG 0.03% of their portfolio ZURICH, V8 8,0008.0k $181.6k $181.6k 0.03% Unchanged
51 Corebridge Financial, Inc. 0.00% of their portfolio HOUSTON, TX 6,0906.1k $138.3k $138.3k 0.00% First filing
52 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 5,8215.8k $132.0k $132.0k 0.00% Added +2.1k +2,063
53 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 4,6004.6k $104.4k $104.4k 0.00% New
54 UBS Group AG 0.00% of their portfolio ZURICH, V8 4,0524.1k $92.0k $92.0k 0.00% New
55 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 3,8383.8k $87.1k $87.1k 0.00% New
56 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 3,7253.7k $84.6k $84.6k 0.00% Added +3.6k +3,633
57 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 3,0013.0k $68.1k $68.1k 0.00% New
58 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 2,4632.5k $55.9k $55.9k 0.00% Reduced -4.9k -4,900
59 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 2,1002.1k $47.7k $47.7k 0.00% New
60 Quarry LP 0.01% of their portfolio NEW YORK, NY 2,0002.0k $45.4k $45.4k 0.01% New
61 Legal & General Group Plc 0.00% of their portfolio London, X0 1,2551.3k $28.5k $28.5k 0.00% New
62 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 1,1091.1k $25.2k $25.2k 0.00% New
63 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 1,0651.1k $24.0k $24.0k 0.00% Added +1.1k +1,055
64 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 837837 $19.0k $19.0k 0.00% New
65 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 820820 $18.6k $18.6k 0.00% New
66 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 814814 $18.5k $18.5k 0.00% New
67 AMALGAMATED BANK 0.00% of their portfolio NEW YORK, NY 392392 $9.0k $9.0k 0.00% New
68 NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio MONTREAL, A8 100100 $2.3k $2.3k 0.00% Unchanged
69 LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 4848 $0 $0 0.00% Reduced -696 -696
70 CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio BIRMINGHAM, AL 00 $0 $0 0.00% Unchanged