Vault-13

MESOBLAST LTD MESO

SPONS ADR · ADR · CUSIP 590717401

71 institutional holders +2 vs Q1 2026
3,844,3883.8m shares reported held*
$53.0mreported value*
9 new 24 added 20 reduced 6 sold out net bought ≈ $8.2m (+572.3k 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 ($339.0k this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $13.77. Options: 5 managers hold calls ($34.0m notional), 4 hold puts ($3.4m).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0255075Q4 23: 2Q1 24: 27Q2 24: 40Q3 24: 44Q4 24: 62Q1 25: 69Q2 25: 72Q3 25: 67Q4 25: 74Q1 26: 69Q2 26: 7171Q4 23Q2 24Q4 24Q2 25Q4 25Q2 26
Numbers
QuarterHolders
Q4 20232
Q1 202427
Q2 202440
Q3 202444
Q4 202462
Q1 202569
Q2 202572
Q3 202567
Q4 202574
Q1 202669
Q2 202671

Buyers vs sellers

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

Bought or addedCut or sold out
50050Q3 24: 21 bought or addedQ3 24: 15 cut or sold outQ4 24: 43 bought or addedQ4 24: 14 cut or sold outQ4 24Q1 25: 40 bought or addedQ1 25: 24 cut or sold outQ2 25: 33 bought or addedQ2 25: 32 cut or sold outQ2 25Q3 25: 34 bought or addedQ3 25: 36 cut or sold outQ4 25: 36 bought or addedQ4 25: 28 cut or sold outQ4 25Q1 26: 34 bought or addedQ1 26: 30 cut or sold outQ2 26: 33 bought or addedQ2 26: 26 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20242115
Q4 20244314
Q1 20254024
Q2 20253332
Q3 20253436
Q4 20253628
Q1 20263430
Q2 20263326

Calls vs puts

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

CallsPuts
$0$20m$40m$60mQ3 25 calls: $22.4mQ3 25 puts: $3.9mQ3 25P/C 0.17Q4 25 calls: $43.3mQ4 25 puts: $2.9mQ4 25P/C 0.07Q1 26 calls: $24.8mQ1 26 puts: $2.9mQ1 26P/C 0.12Q2 26 calls: $34.0mQ2 26 puts: $3.4mQ2 26P/C 0.10
Numbers
QuarterCallsPutsP/C
Q3 2025$22.4m$3.9m0.17
Q4 2025$43.3m$2.9m0.07
Q1 2026$24.8m$2.9m0.12
Q2 2026$34.0m$3.4m0.10

Biggest buyers

BNP PARIBAS ASSET MANAGEMENT Holding S.A. New +259,700+259.7k
MORGAN STANLEY Added +204,177+204.2k
Arax Advisory Partners Added +143,597+143.6k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added +71,272+71.3k
UBS Group AG Added +67,480+67.5k
Quadrature Capital Ltd Added +35,879+35.9k
BlackRock, Inc. Added +33,425+33.4k
ROYAL BANK OF CANADA Added +17,737+17.7k
R Squared Ltd New +14,492+14.5k
Ballentine Partners, LLC New +10,448+10.4k

Biggest sellers

CITADEL ADVISORS LLC Sold out -85,959-86.0k
JANE STREET GROUP, LLC Reduced -65,634-65.6k
GROUP ONE TRADING LLC Reduced -39,885-39.9k
HRT FINANCIAL LP Sold out -34,223-34.2k
Fi3 FINANCIAL ADVISORS, LLC Reduced -34,124-34.1k
Squarepoint Ops LLC Reduced -16,640-16.6k
XTX Topco Ltd Reduced -15,956-16.0k
Rathbones Group PLC Reduced -14,017-14.0k
QUADRANT CAPITAL GROUP LLC Sold out -6,647-6.6k
TOBIAS FINANCIAL ADVISORS, INC. Reduced -3,828-3.8k

Biggest calls

JANE STREET GROUP, LLC Added $16.1m1.2m shares
CITADEL ADVISORS LLC Added $9.9m734.7k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $5.4m398.0k shares
GROUP ONE TRADING LLC Added $1.6m119.5k shares
SIMPLEX TRADING, LLC Reduced $999.9k73.9k shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $1.8m134.2k shares
CITADEL ADVISORS LLC Added $1.1m82.9k shares
SIMPLEX TRADING, LLC Added $431.6k31.9k shares
GROUP ONE TRADING LLC Reduced $6.8k500 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
Gueck William J. 13G · passive investor new · filed 2025-09-16 5.0% new 64.5m 2025-09-16

Insider purchases and sales since 1 Apr 2026

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
101Q4 24: 0 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 0 buyingQ2 25: 0 sellingQ3 25: 0 buyingQ3 25: 0 sellingQ3 25Q4 25: 0 buyingQ4 25: 0 sellingQ1 26: 0 buyingQ1 26: 0 sellingQ1 26Q2 26: 1 buyingQ2 26: 0 sellingQ3 26: 0 buyingQ3 26: 0 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20240—0——
Q1 20250—0——
Q2 20250—0——
Q3 20250—0——
Q4 20250—0——
Q1 20260—0——
Q2 20261—0——
Q3 20260—0——
DateInsiderTradeSharesPrice ValueTheir holding
2026-04-10 George Gregory Director · Held by Grant George, who has granted power of attorney to Dr. George. Bought 2,324,072 — —2.3m shares +39%
2026-04-10 George Gregory Director · Held by Grant George, who has granted power of attorney to Dr. George. Bought 2,324,072 — —2.3m shares +39%
2026-04-09 George Gregory Director · As above. Bought 1,981,890 — —2.0m shares +17%
2026-04-09 George Gregory Director · As above. Bought 1,586,890 — —1.6m shares +13%
2026-04-04 George Gregory Director · Held by James George, who has granted power of attorney to Dr. George. Bought 4,000,000 — —4.0m shares +50%
2026-04-04 George Gregory Director · Held by James George, who has granted power of attorney to Dr. George. Bought 4,000,000 — —4.0m shares +50%

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 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 718,608718.6k $9.7m $9.7m 0.00% Added +204.2k +204,177
2 BlackRock, Inc. 0.00% of their portfolio New York, NY 664,280664.3k $9.0m $9.0m 0.00% Added +33.4k +33,425
3 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.01% of their portfolio BALA CYNWYD, PA 457,744457.7k $6.2m $6.2m 0.01% Added +71.3k +71,272
4 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 395,612395.6k $5.4m $5.4m 0.00% Reduced -1.6k -1,603
5 BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% of their portfolio Paris, I0 259,700259.7k $3.5m $3.5m 0.00% New
6 UBS Group AG 0.00% of their portfolio ZURICH, V8 200,053200.1k $2.7m $2.7m 0.00% Added +67.5k +67,480
7 Arax Advisory Partners 0.02% of their portfolio NEW YORK, NY 168,022168.0k $2.3m $2.3m 0.02% Added +143.6k +143,597
8 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 100,000100.0k $1.4m $1.4m 0.00% Reduced -4 -4
9 Penbrook Management LLC 0.75% of their portfolio NEW YORK, NY 87,07587.1k $1.2m $1.2m 0.75% Unchanged
10 M&G PLC 0.00% of their portfolio London, X0 59,10059.1k $827.4k $827.4k 0.00% Unchanged
11 Quadrature Capital Ltd 0.01% of their portfolio LONDON, X0 53,12653.1k $718.8k $718.8k 0.01% Added +35.9k +35,879
12 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 47,86747.9k $647.6k $647.6k 0.00% Reduced -1.8k -1,750
13 LAZARI CAPITAL MANAGEMENT, INC. 0.20% of their portfolio WOODLAND HILLS, CA 47,42147.4k $641.6k $641.6k 0.20% Added +1.3k +1,300
14 Rialto Wealth Management, LLC 0.12% of their portfolio SYRACUSE, NY 46,50046.5k $629.1k $629.1k 0.12% Unchanged
15 GROUP ONE TRADING LLC 0.02% of their portfolio CHICAGO, IL 44,03044.0k $595.7k $595.7k 0.02% Reduced -39.9k -39,885
16 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 44,00344.0k $595.0k $595.0k 0.00% Added +17.7k +17,737
17 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 43,40343.4k $587.2k $587.2k 0.00% Added +3.6k +3,601
18 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 33,74733.7k $456.6k $456.6k 0.00% Unchanged
19 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 33,15233.2k $448.5k $448.5k 0.00% Reduced -65.6k -65,634
20 &PARTNERS 0.00% of their portfolio NASHVILLE, TN 27,56727.6k $373.0k $373.0k 0.00% Added +621 +621
21 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 26,22926.2k $354.9k $354.9k 0.00% Reduced -234 -234
22 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 25,22325.2k $341.3k $341.3k 0.00% Reduced -121 -121
23 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 24,96225.0k $337.7k $337.7k 0.00% Reduced -16.0k -15,956
24 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 19,09319.1k $258.3k $258.3k 0.00% Added +1.0k +1,000
25 Vanguard Personalized Indexing Management, LLC 0.00% of their portfolio OAKLAND, CA 18,40718.4k $249.0k $249.0k 0.00% Added +4.4k +4,398
26 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 17,48317.5k $236.5k $236.5k 0.00% Added +6.4k +6,426
27 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 17,40217.4k $235.4k $235.4k 0.00% Reduced -16.6k -16,640
28 BCS Private Wealth Management, Inc. 0.07% of their portfolio RUMSON, NJ 16,00016.0k $216.5k $216.5k 0.07% Unchanged
29 R Squared Ltd 0.10% of their portfolio HONG KONG, K3 14,49214.5k $196.1k $196.1k 0.10% New
30 Rathbones Group PLC 0.00% of their portfolio Liverpool, X0 14,01714.0k $189.7k $189.7k 0.00% Reduced -14.0k -14,017
31 Creative Planning 0.00% of their portfolio OVERLAND PARK, KS 13,16413.2k $178.1k $178.1k 0.00% Added +1.4k +1,364
32 CHOREO, LLC 0.00% of their portfolio ROCKFORD, IL 12,45012.4k $168.4k $168.4k 0.00% Added +50 +50
33 Ballentine Partners, LLC 0.00% of their portfolio Waltham, MA 10,44810.4k $141.4k $141.4k 0.00% New
34 Visionary Wealth Advisors 0.01% of their portfolio O'FALLON, IL 10,32510.3k $139.7k $139.7k 0.01% Unchanged
35 TOBIAS FINANCIAL ADVISORS, INC. 0.02% of their portfolio Plantation, FL 10,00010.0k $135.3k $135.3k 0.02% Reduced -3.8k -3,828
36 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 9,8569.9k $133.4k $133.4k 0.00% Added +8.4k +8,435
37 AMICA MUTUAL INSURANCE CO 0.01% of their portfolio PROVIDENCE, RI 9,5759.6k $130.0k $130.0k 0.01% Unchanged
38 China Universal Asset Management Co., Ltd. 0.01% of their portfolio SHANGHAI, F4 8,3198.3k $112.6k $112.6k 0.01% Reduced -971 -971
39 Fi3 FINANCIAL ADVISORS, LLC 0.24% of their portfolio INDIANAPOLIS, IN 7,8917.9k $1.0m $1.0m 0.24% Reduced -34.1k -34,124
40 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 7,8537.9k $106.2k $106.2k 0.00% Added +44 +44
41 GAMMA Investing LLC 0.00% of their portfolio FOSTER CITY, CA 7,4137.4k $100.3k $100.3k 0.00% Added +916 +916
42 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 6,9717.0k $94.3k $94.3k 0.00% New
43 SIGNATUREFD, LLC 0.00% of their portfolio ATLANTA, GA 6,7726.8k $91.6k $91.6k 0.00% Added +228 +228
44 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 4,0204.0k $54.7k $54.7k 0.00% Added +731 +731
45 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 3,0423.0k $41.2k $41.2k 0.00% Added +1.8k +1,760
46 Rockefeller Capital Management L.P. 0.00% of their portfolio NEW YORK, NY 3,0003.0k $40.6k $40.6k 0.00% Unchanged
47 Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio SEOUL, M5 2,3382.3k $31.6k $31.6k 0.00% New
48 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 1,6801.7k $22.7k $22.7k 0.00% Reduced -36 -36
49 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 1,6071.6k $21.7k $21.7k 0.00% Reduced -812 -812
50 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 1,4691.5k $19.9k $19.9k 0.00% Unchanged
51 GF FUND MANAGEMENT CO. LTD. 0.00% of their portfolio GUANGZHOU, F4 1,1091.1k $15.0k $15.0k 0.00% Added +16 +16
52 Parallel Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 1,0811.1k $14.6k $14.6k 0.00% Reduced -174 -174
53 Blue Trust, Inc. 0.00% of their portfolio BRENTWOOD, TN 1,0021.0k $13.6k $13.6k 0.00% Unchanged
54 IFG Advisory, LLC 0.00% of their portfolio ATLANTA, GA 750750 $10.1k $10.1k 0.00% New
55 NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio MONTREAL, A8 525525 $7.1k $7.1k 0.00% Unchanged
56 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 410410 $5.5k $5.5k 0.00% Unchanged
57 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 365365 $4.9k $4.9k 0.00% Added +2 +2
58 Farther Finance Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 320320 $4.3k $4.3k 0.00% Reduced -320 -320
59 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 300300 $4.0k $4.0k 0.00% Unchanged
60 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 210210 $2.8k $2.8k 0.00% Added +110 +110
61 Basecamp Wealth Advisors LLC 0.00% of their portfolio BELLEVUE, WA 177177 $2.4k $2.4k 0.00% Unchanged
62 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 147147 $2.0k $2.0k 0.00% New
63 Steward Partners Investment Advisory, LLC 0.00% of their portfolio STAMFORD, CT 128128 $1.7k $1.7k 0.00% Unchanged
64 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 115115 $1.6k $1.6k 0.00% Reduced -41 -41
65 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 106106 $1.4k $1.4k 0.00% Reduced -224 -224
66 WealthCollab, LLC 0.00% of their portfolio BELLEVUE, WA 7373 $988 $988 0.00% Unchanged
67 CVA Family Office, LLC 0.00% of their portfolio DENVER, CO 6969 $934 $934 0.00% Reduced -61 -61
68 Stone House Investment Management, LLC 0.00% of their portfolio TUNKHANNOCK, PA 2323 $311 $311 0.00% New
69 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 1818 $244 $244 0.00% Unchanged
70 Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio ZURICH, V8 77 $95 $95 0.00% Unchanged
71 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 11 $14 $14 0.00% New