v3.26.1
Cover Page
 12 Months Ended
Jun. 30, 2026
shares
Document Information [Line Items]  
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Current Fiscal Year End Date --06-30
Document Period End Date Jun. 30, 2026
Document Transition Report false
Document Shell Company Report false
Entity File Number 001-37626
Registrant Name MESOBLAST LIMITED
Entity Address Address Line1 Level 38
Entity Address Address Line2 55 Collins Street
Entity Address City Or Town Melbourne
Entity Address Postal Zip Code 3000
Entity Address Country AU
Title of 12(b) Security American Depositary Shares, each representing ten Ordinary Shares
Trading Symbol MESO
Security Exchange Name NASDAQ
Entity Common Stock, Shares Outstanding 1,296,862,776
Entity Well-known Seasoned Issuer Yes
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Large Accelerated Filer
Entity Emerging Growth Company false
ICFR Auditor Attestation Flag true
Document Financial Statement Error Correction [Flag] false
Document Accounting Standard International Financial Reporting Standards
Entity Shell Company false
Entity Incorporation, State or Country Code C3
Entity Central Index Key 0001345099
Document Fiscal Year Focus 2026
Document Fiscal Period Focus FY
Amendment Flag false
Business Contact  
Document Information [Line Items]  
Entity Address Address Line1 Level 38
Entity Address Address Line2 55 Collins Street
Entity Address City Or Town Melbourne
Entity Address Postal Zip Code 3000
Entity Address Country AU
Contact Personnel Name Silviu Itescu
City Area Code +61 (3)
Local Phone Number 9639 6036
Contact Personnel Fax Number +61 (3) 9639 6030