v3.25.4
Cover
Feb. 10, 2026
Document Type 8-K
Amendment Flag false
Document Period End Date Feb. 10, 2026
Entity File Number 001-43045
Entity Registrant Name Bleichroeder Acquisition Corp. II
Entity Central Index Key 0002088295
Entity Tax Identification Number 98-1888010
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 1345 Avenue of the Americas
Entity Address, Address Line Two Fl 47
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10105
City Area Code 212
Local Phone Number 984-3835
Written Communications false
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
Units, each consisting of one Class A ordinary share and one-third of one redeemable warrant  
Title of 12(b) Security Units, each consisting of one Class A ordinary share and one-third of one redeemable warrant
Trading Symbol BBCQU
Security Exchange Name NASDAQ
Class A ordinary shares, par value $0.0001 per share  
Title of 12(b) Security Class A ordinary shares, par value $0.0001 per share
Trading Symbol BBCQ
Security Exchange Name NASDAQ
Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share  
Title of 12(b) Security Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share
Trading Symbol BBCQW
Security Exchange Name NASDAQ