v3.25.2
Cover
Sep. 30, 2025
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 30, 2025
Entity File Number 001-42798
Entity Registrant Name HIGHVIEW MERGER CORP.
Entity Central Index Key 0002070602
Entity Tax Identification Number 00-0000000
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 1615 South Congress Ave.
Entity Address, Address Line Two Suite 103
Entity Address, City or Town Delray Beach
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33445
City Area Code (561)
Local Phone Number 826-6050
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, $0.0001 par value, and one-half of one redeemable warrant  
Title of 12(b) Security Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-half of one redeemable warrant
Trading Symbol HVMCU
Security Exchange Name NASDAQ
Class A ordinary shares, par value $0.0001 par value  
Title of 12(b) Security Class A ordinary shares, par value $0.0001 par value
Trading Symbol HVMC
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 HVMCW
Security Exchange Name NASDAQ