Vault-13

JASPER THERAPEUTICS INC JSPR

COM NEW · Common Stock · CUSIP 471871202 · ISIN US4718712023

89 institutional holders +7 vs Q3 2024
15,632,19515.6m shares reported held*
104.1% of all shares outstanding*
$334.1mreported value*
15 new 32 added 16 reduced 14 sold out net bought ≈ $12.1m (+565.7k 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 ($476.3k this quarter). Holder counts are more reliable. Shares outstanding: 15.0m as of 2025-02-25, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $21.37. Options: 7 managers hold calls ($6.8m notional), 8 hold puts ($2.8m).

Trends to Q4 2024

Institutional holders

Managers reporting a position, each quarter

050100Q4 23: 1Q1 24: 62Q2 24: 70Q3 24: 82Q4 24: 8989Q4 23Q1 24Q2 24Q3 24Q4 24
Numbers
QuarterHolders
Q4 20231
Q1 202462
Q2 202470
Q3 202482
Q4 202489

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 24Q3 24: 45 bought or addedQ3 24: 32 cut or sold outQ3 24Q4 24: 47 bought or addedQ4 24: 30 cut or sold outQ4 24
Numbers
QuarterBought or addedCut or sold out
Q1 2024611
Q2 20244130
Q3 20244532
Q4 20244730

Calls vs puts

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

CallsPuts
$0$2m$4m$6m$8mQ1 24 calls: $4.3mQ1 24 puts: $854.9kQ1 24P/C 0.20Q2 24 calls: $3.2mQ2 24 puts: $1.0mQ2 24P/C 0.32Q3 24 calls: $3.4mQ3 24 puts: $1.4mQ3 24P/C 0.41Q4 24 calls: $6.8mQ4 24 puts: $2.8mQ4 24P/C 0.41
Numbers
QuarterCallsPutsP/C
Q1 2024$4.3m$854.9k0.20
Q2 2024$3.2m$1.0m0.32
Q3 2024$3.4m$1.4m0.41
Q4 2024$6.8m$2.8m0.41

Biggest buyers

FMR LLC Added +350,162+350.2k
Integral Health Asset Management, LLC Added +300,000+300.0k
CITADEL ADVISORS LLC Added +282,046+282.0k
BRAIDWELL LP Added +231,358+231.4k
UBS Group AG Added +158,998+159.0k
GOLDMAN SACHS GROUP INC Added +154,540+154.5k
Soleus Capital Management, L.P. Added +150,755+150.8k
STEMPOINT CAPITAL LP New +135,244+135.2k
T. Rowe Price Investment Management, Inc. New +82,165+82.2k
SCHRODER INVESTMENT MANAGEMENT GROUP New +59,034+59.0k

Biggest sellers

Polar Capital Holdings Plc Sold out -581,538-581.5k
Boxer Capital, LLC Sold out -350,000-350.0k
Ally Bridge Group (NY) LLC Reduced -277,042-277.0k
Woodline Partners LP Reduced -249,428-249.4k
SPHERA FUNDS MANAGEMENT LTD. Reduced -53,550-53.5k
KINGDON CAPITAL MANAGEMENT, L.L.C. Reduced -50,000-50.0k
BANK OF AMERICA CORP /DE/ Reduced -38,677-38.7k
JPMORGAN CHASE & CO Reduced -27,617-27.6k
AlphaCentric Advisors LLC Sold out -17,500-17.5k
ADAR1 Capital Management, LLC Sold out -15,816-15.8k

Biggest calls

Caption Management, LLC New $2.6m122.6k shares
MILLENNIUM MANAGEMENT LLC New $1.4m65.0k shares
SPHERA FUNDS MANAGEMENT LTD. Unchanged $1.3m61.1k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $947.1k44.3k shares
SIMPLEX TRADING, LLC Added $525.0k24.6k shares
CITADEL ADVISORS LLC Reduced $32.1k1.5k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

SPHERA FUNDS MANAGEMENT LTD. New $1.7m77.5k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $463.9k21.7k shares
MILLENNIUM MANAGEMENT LLC New $359.2k16.8k shares
CITADEL ADVISORS LLC Added $273.7k12.8k shares
GROUP ONE TRADING LLC New $8.6k400 shares
SIMPLEX TRADING, LLC Reduced $2.0k100 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares
683 Capital Management, LLC New $057.6k 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)

Insider purchases and sales in Q4 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
404Q1 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 24Q3 24: 0 buyingQ3 24: 1 sellingQ4 24: 0 buyingQ4 24: 1 sellingQ4 24
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
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
Q3 20240—1$19.1k$19.1k
Q4 20240—1$19.9k$19.9k
DateInsiderTradeSharesPrice ValueTheir holding
2024-12-12 Mahal Jeetinder Singh Chief Operating Officer Sold plan 900 $22.11 $19.9k900 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, Q4 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Soleus Capital Management, L.P. 2.42% of their portfolio GREENWICH, CT 1,494,4201.5m $32.0m $32.0m 2.42% Added +150.8k +150,755
2 Velan Capital Investment Management LP 26.45% of their portfolio ALPHARETTA, GA 1,433,8281.4m $30.7m $30.7m 26.45% Unchanged
3 Carlyle Group Inc. 0.55% of their portfolio WASHINGTON, DC 1,066,1891.1m $22.7m $22.7m 0.55% Unchanged
4 QIMING U.S. VENTURES MANAGEMENT, LLC 38.83% of their portfolio BELLEVUE, WA 928,964929.0k $19.9m $19.9m 38.83% Unchanged
5 BlackRock, Inc. 0.00% of their portfolio New York, NY 808,086808.1k $17.3m $17.3m 0.00% Added +8.1k +8,058
6 BRAIDWELL LP 0.45% of their portfolio STAMFORD, CT 714,658714.7k $15.3m $15.3m 0.45% Added +231.4k +231,358
7 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 709,484709.5k $15.2m $15.2m 0.00% Added +15.1k +15,059
8 Integral Health Asset Management, LLC 1.23% of their portfolio New York, NY 650,000650.0k $13.9m $13.9m 1.23% Added +300.0k +300,000
9 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 604,792604.8k $12.9m $12.9m 0.00% Added +39.1k +39,070
10 SAMSARA BIOCAPITAL, LLC 1.72% of their portfolio PALO ALTO, CA 584,642584.6k $12.5m $12.5m 1.72% Unchanged
11 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 579,636579.6k $12.4m $12.4m 0.00% Unchanged
12 Rock Springs Capital Management LP 0.38% of their portfolio Baltimore, MD 463,088463.1k $9.9m $9.9m 0.38% Added +4.0k +4,000
13 KINGDON CAPITAL MANAGEMENT, L.L.C. 1.63% of their portfolio NEW YORK, NY 447,000447.0k $9.6m $9.6m 1.63% Reduced -50.0k -50,000
14 CITADEL ADVISORS LLC 0.01% of their portfolio MIAMI, FL 423,610423.6k $9.1m $9.1m 0.01% Added +282.0k +282,046
15 Opaleye Management Inc. 1.50% of their portfolio BOSTON, MA 400,000400.0k $8.6m $8.6m 1.50% Added +46.5k +46,500
16 FMR LLC 0.00% of their portfolio BOSTON, MA 388,523388.5k $8.3m $8.3m 0.00% Added +350.2k +350,162
17 Boxer Capital Management, LLC 0.64% of their portfolio San Diego, CA 350,000350.0k $7.5m $7.5m 0.64% First filing
18 GREAT POINT PARTNERS LLC 3.25% of their portfolio Greenwich, CT 322,380322.4k $6.9m $6.9m 3.25% Unchanged
19 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 287,204287.2k $6.1m $6.1m 0.00% Reduced -38.7k -38,677
20 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 257,687257.7k $5.5m $5.5m 0.00% Added +271 +271
21 Russell Investments Group, Ltd. 0.01% of their portfolio Seattle, WA 247,272247.3k $5.3m $5.3m 0.01% Added +35.7k +35,746
22 Woodline Partners LP 0.04% of their portfolio San Francisco, CA 245,676245.7k $5.3m $5.3m 0.04% Reduced -249.4k -249,428
23 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 230,306230.3k $4.9m $4.9m 0.00% Added +15.4k +15,423
24 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 210,305210.3k $4.5m $4.5m 0.00% Added +154.5k +154,540
25 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 170,695170.7k $3.6m $3.6m 0.00% Added +39.4k +39,436
26 UBS Group AG 0.00% of their portfolio ZURICH, V8 164,315164.3k $3.5m $3.5m 0.00% Added +159.0k +158,998
27 SPHERA FUNDS MANAGEMENT LTD. 0.54% of their portfolio TEL AVIV, L3 135,720135.7k $2.9m $2.9m 0.54% Reduced -53.5k -53,550
28 STEMPOINT CAPITAL LP 0.73% of their portfolio NEW YORK, NY 135,244135.2k $2.9m $2.9m 0.73% New
29 Ally Bridge Group (NY) LLC 2.24% of their portfolio NEW YORK, NY 122,424122.4k $2.6m $2.6m 2.24% Reduced -277.0k -277,042
30 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 104,367104.4k $2.2m $2.2m 0.00% Reduced -2.6k -2,573
31 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 83,41783.4k $1.8m $1.8m 0.00% Unchanged
32 T. Rowe Price Investment Management, Inc. 0.00% of their portfolio BALTIMORE, MD 82,16582.2k $1.8m $1.8m 0.00% New
33 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 77,72277.7k $1.7m $1.7m 0.00% Added +11.4k +11,397
34 SCHRODER INVESTMENT MANAGEMENT GROUP 0.00% of their portfolio London, X0 59,03459.0k $1.2m $1.2m 0.00% New
35 Ikarian Capital, LLC 0.34% of their portfolio DALLAS, TX 55,10755.1k $1.2m $1.2m 0.34% Reduced -68 -68
36 Fernwood Investment Management, LLC 0.39% of their portfolio QUINCY, MA 52,89752.9k $1.1m $1.1m 0.39% Unchanged
37 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 37,70537.7k $806.1k $806.1k 0.00% Added +780 +780
38 Mariner, LLC 0.00% of their portfolio Overland Park, KS 36,79436.8k $786.7k $786.7k 0.00% Reduced -5.4k -5,412
39 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 32,33732.3k $691.4k $691.4k 0.00% Reduced -70 -70
40 Lion Point Capital, LP 3.58% of their portfolio NEW YORK, NY 32,00032.0k $684.2k $684.2k 3.58% Unchanged
41 Jefferies Financial Group Inc. 0.01% of their portfolio NEW YORK, NY 31,25031.2k $668.1k $668.1k 0.01% New
42 Palo Alto Investors LP 0.10% of their portfolio PALO ALTO, CA 30,65130.7k $655.3k $655.3k 0.10% New
43 Sowell Financial Services LLC 0.03% of their portfolio NORTH LITTLE ROCK, AR 28,04328.0k $599.6k $599.6k 0.03% New
44 WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio Boston, MA 27,06927.1k $578.7k $578.7k 0.00% Added +3.3k +3,310
45 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 25,07825.1k $536.2k $536.2k 0.00% Added +1.0k +1,048
46 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 22,81422.8k $487.8k $487.8k 0.00% Added +2.3k +2,294
47 Allostery Investments LP 0.92% of their portfolio Stamford, CT 22,00022.0k $470.4k $470.4k 0.92% First filing
48 Simplify Asset Management Inc. 0.03% of their portfolio Las Vegas, NV 20,00020.0k $427.6k $427.6k 0.03% New
49 Propel Bio Management, LLC 0.42% of their portfolio Los Angeles, CA 20,00020.0k $427.6k $427.6k 0.42% New
50 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 18,33418.3k $392.0k $392.0k 0.00% Added +2.2k +2,188
51 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 17,97918.0k $384.4k $384.4k 0.00% Added +1.2k +1,173
52 Verition Fund Management LLC 0.00% of their portfolio GREENWICH, CT 15,05015.1k $321.8k $321.8k 0.00% Reduced -10.3k -10,303
53 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 14,76114.8k $315.6k $315.6k 0.00% Added +1.7k +1,652
54 BOOTHBAY FUND MANAGEMENT, LLC 0.01% of their portfolio NEW YORK, NY 13,85313.9k $296.2k $296.2k 0.01% Added +1.6k +1,617
55 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 13,72413.7k $293.4k $293.4k 0.00% New
56 Tema ETFs LLC 0.11% of their portfolio New York, NY 12,43512.4k $265.9k $265.9k 0.11% First filing
57 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 10,85210.9k $232.0k $232.0k 0.00% Reduced -2.5k -2,502
58 EntryPoint Capital, LLC 0.09% of their portfolio NEW YORK, NY 10,43110.4k $223.0k $223.0k 0.09% New
59 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 9,0609.1k $193.7k $193.7k 0.00% Added +895 +895
60 Leonteq Securities AG 0.02% of their portfolio ZURICH, V8 8,0008.0k $171.0k $171.0k 0.02% Unchanged
61 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 7,4157.4k $158.5k $158.5k 0.00% Added +3.8k +3,828
62 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 6,8746.9k $147.0k $147.0k 0.00% Unchanged
63 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 6,5166.5k $139.3k $139.3k 0.00% Added +304 +304
64 Corebridge Financial, Inc. 0.00% of their portfolio HOUSTON, TX 5,6285.6k $120.3k $120.3k 0.00% Reduced -425 -425
65 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 5,1655.2k $110.4k $110.4k 0.00% Reduced -27.6k -27,617
66 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 4,6004.6k $98.3k $98.3k 0.00% Unchanged
67 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 2,8882.9k $61.7k $61.7k 0.00% Added +376 +376
68 WOLFF WIESE MAGANA LLC 0.04% of their portfolio CARSLBAD, CA 2,8872.9k $61.7k $61.7k 0.04% Reduced -259 -259
69 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 2,2762.3k $48.7k $48.7k 0.00% First filing
70 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 1,5551.6k $33.2k $33.2k 0.00% Added +860 +860
71 Legal & General Group Plc 0.00% of their portfolio London, X0 1,2131.2k $25.9k $25.9k 0.00% Unchanged
72 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 1,1091.1k $23.7k $23.7k 0.00% Unchanged
73 Creative Planning 0.00% of their portfolio OVERLAND PARK, KS 1,0321.0k $22.1k $22.1k 0.00% New
74 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 837837 $17.9k $17.9k 0.00% Unchanged
75 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 820820 $17.5k $17.5k 0.00% Unchanged
76 R Squared Ltd 0.01% of their portfolio HONG KONG, K3 720720 $15.4k $15.4k 0.01% First filing
77 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 511511 $10.9k $10.9k 0.00% Reduced -1 -1
78 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 500500 $10.7k $10.7k 0.00% New
79 AMALGAMATED BANK 0.00% of their portfolio NEW YORK, NY 392392 $8.0k $8.0k 0.00% Unchanged
80 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 232232 $5.0k $5.0k 0.00% Reduced -1.3k -1,317
81 Greenline Partners, LLC 0.00% of their portfolio NEW YORK, NY 100100 $2.1k $2.1k 0.00% New
82 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 5353 $1.1k $1.1k 0.00% Added +48 +48
83 CWM, LLC 0.00% of their portfolio OMAHA, NE 2020 $0 $0 0.00% Added +5 +5
84 LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 1717 $0 $0 0.00% Unchanged
85 GAMMA Investing LLC 0.00% of their portfolio FOSTER CITY, CA 1616 $342 $342 0.00% New
86 Sterling Capital Management LLC 0.00% of their portfolio CHARLOTTE, NC 1212 $257 $257 0.00% Unchanged
87 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 66 $128 $128 0.00% First filing
88 CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio BIRMINGHAM, AL 00 $0 $0 0.00% Unchanged
89 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 00 $21 $21 0.00% New