MESO · NASDAQ · Biotechnology

Mesoblast (ADR) (MESO)

Develops FDA-approved Ryoncil for pediatric steroid-refractory acute graft-versus-host disease.

$15.35
vs last close−0.57 (−3.58%)

13F · 13D/G · Form 4

Institutions2.98%3.87M ADS
78 holders · as of Jun 30, 2026
Insiders34.35%44.54M ADS
9 holders · as of Apr 29, 2026
Other62.67%81.27M ADS
remainder

129.69M ADS (1 ADS = 10 ordinary shares) as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

13F · 13D/G · Form 4

HolderStakeSharesDate
Gregory George1Insiderdirector, 10 percent owner
22.90%288.52M ordinaryfiled Apr 13, 2026
Silviu ItescuInsiderdirector, officer: CEO and Managing Director
5.90%76.58M ordinaryfiled Apr 1, 2026
Gueck William J.Insider
4.98%6.45Mfiled Sep 16, 2025
Morgan StanleyInstitution
0.55%718,608 ADSas of Jun 30, 2026
BlackRock, Inc.Institution
0.51%664,280 ADSas of Jun 30, 2026
Eric Allen RoseInsiderdirector, officer: Chief Medical Officer,Director
0.47%6.03M ordinaryfiled Mar 18, 2026
Susquehanna International Group, LLPInstitution
0.35%457,744 ADSas of Jun 30, 2026
Goldman Sachs Group IncInstitution
0.31%395,612 ADSas of Jun 30, 2026
BNP Paribas Asset Management Holding S.A.Institution
0.20%259,700 ADSas of Jun 30, 2026
UBS Group AGInstitution
0.15%200,053 ADSas of Jun 30, 2026
SRS Capital Advisors, Inc.Institution
0.13%168,022 ADSas of Jun 30, 2026
Bank of America Corp /DE/Institution
0.08%100,000 ADSas of Jun 30, 2026
Penbrook Management LLCInstitution
0.07%87,075 ADSas of Jun 30, 2026
Jane Catherine BellInsiderdirector
0.05%622,492 ordinaryfiled Mar 18, 2026
M&G PLCInstitution
0.05%59,100 ADSas of Jun 30, 2026
Quadrature Capital LtdInstitution
0.04%53,126 ADSas of Jun 30, 2026
LPL Financial LLCInstitution
0.04%47,867 ADSas of Jun 30, 2026
Lazari Capital Management, Inc.Institution
0.04%47,421 ADSas of Jun 30, 2026
Rialto Wealth Management, LLCInstitution
0.04%46,500 ADSas of Jun 30, 2026
Group One Trading, L.P.Institution
0.03%44,030 ADSas of Jun 30, 2026
Royal Bank of CanadaInstitution
0.03%44,003 ADSas of Jun 30, 2026
Two Sigma Investments, LPInstitution
0.03%43,403 ADSas of Jun 30, 2026
Geode Capital Management, LLCInstitution
0.03%33,747 ADSas of Jun 30, 2026
Jane Street Group, LLCInstitution
0.03%33,152 ADSas of Jun 30, 2026
Philip R. KrauseInsiderdirector
0.02%287,500 ordinaryfiled Mar 18, 2026
  1. Gregory George's transaction reports restate only vehicles that traded; the 2026 ownership statement (28.85M) plus the 845.6K net shares acquired since is used instead.

13F, as of Jun 30, 2026

78 holders · 3.87M shares · 10 new positions · 35 increased · 20 reduced · 5 closed

HolderShares% outstandingChg q/qFiled
Morgan Stanley718.6K0.55%+204.2KAug 13, 2026
BlackRock, Inc.664.3K0.51%+33.4KAug 7, 2026
Susquehanna International Group, LLP457.7K0.35%+71.3KAug 14, 2026
Goldman Sachs Group Inc395.6K0.31%−1.6KAug 14, 2026
BNP Paribas Asset Management Holding S.A.259.7K0.20%+259.7KnewAug 13, 2026
UBS Group AG200.1K0.15%+67.5KAug 13, 2026
SRS Capital Advisors, Inc.168.0K0.13%+143.6KAug 10, 2026
Bank of America Corp /DE/100.0K0.08%−4Aug 14, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
George, Gregory22.36%288.52M13GMar 11, 2026
Gregory George21.59%275.85M13GSep 12, 2025
Gueck William J.5.00%64.52M13GSep 16, 2025

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Apr 9, 2026
Gregory Georgedirector, 10 percent owner:
Purchase · 19 lots2,131,890$4.9313,586,890
Apr 10, 2026
Gregory Georgedirector, 10 percent owner:
Purchase2,324,072$1.488,324,072
Apr 4, 2026
Gregory Georgedirector, 10 percent owner:
Purchase4,000,000$1.4212,000,000

House and Senate disclosures

Not reported.