v3.25.2
Cover
Sep. 29, 2025
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 29, 2025
Entity File Number 001-40367
Entity Registrant Name BARINTHUS BIOTHERAPEUTICS PLC
Entity Central Index Key 0001828185
Entity Tax Identification Number 00-0000000
Entity Incorporation, State or Country Code X0
Entity Address, Address Line One c/o Barinthus Biotherapeutics plc
Entity Address, Address Line Two 20400 Century Boulevard
Entity Address, Address Line Three Suite 210
Entity Address, City or Town Germantown
Entity Address, State or Province MD
Entity Address, Country US
Entity Address, Postal Zip Code 20874
City Area Code 443
Local Phone Number 917-0966
Written Communications true
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
American Depositary Shares [Member]  
Document Information [Line Items]  
Title of 12(b) Security American Depositary Shares
Trading Symbol BRNS
Security Exchange Name NASDAQ
Common Stock [Member]  
Document Information [Line Items]  
Title of 12(b) Security Ordinary shares, nominal value £0.000025 per share*