v3.25.2
Cover
Aug. 11, 2025
Entity Addresses [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 11, 2025
Current Fiscal Year End Date --12-31
Entity File Number 001-41955
Entity Registrant Name BRIDGEBIO ONCOLOGY THERAPEUTICS, INC.
Entity Central Index Key 0001869105
Entity Tax Identification Number 00-0000000
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 256 E. Grand Avenue
Entity Address, Address Line Two Suite 104
Entity Address, City or Town South San Francisco
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94080
City Area Code 650
Local Phone Number 405-4770
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.0001 per share
Trading Symbol BBOT
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Entity Information, Former Legal or Registered Name HELIX ACQUISITION CORP. II
Former Address [Member]  
Entity Addresses [Line Items]  
Entity Address, Address Line One 200 Clarendon Street
Entity Address, Address Line Two 52nd Floor
Entity Address, City or Town Boston
Entity Address, State or Province MA
Entity Address, Postal Zip Code 02116