v3.26.1
Cover
Jun. 10, 2026
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 10, 2026
Entity File Number 001-42135
Entity Registrant Name LIONHEART HOLDINGS
Entity Central Index Key 0002015955
Entity Tax Identification Number 98-1778167
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 200 W Cypress Creek Road
Entity Address, Address Line Two Suite 500
Entity Address, City or Town Fort Lauderdale
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33309
City Area Code 305
Local Phone Number 573-3900
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-half of one redeemable warrant  
Title of 12(b) Security Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant
Trading Symbol CUBWU
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 CUB
Security Exchange Name NASDAQ
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 Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share
Trading Symbol CUBWW
Security Exchange Name NASDAQ