v3.25.1
Document and Entity Information - shares
6 Months Ended
Apr. 30, 2025
Jun. 09, 2025
Entity Listings [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Apr. 30, 2025  
Document Fiscal Year Focus 2025  
Entity File Number 001-41854  
Entity Registrant Name enGene Holdings Inc.  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Current Fiscal Year End Date --10-31  
Document Fiscal Period Focus Q2  
Entity Incorporation, State or Country Code A1  
Entity Central Index Key 0001980845  
Entity Tax Identification Number 00-0000000  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Shell Company false  
Entity Address, Address Line One 4868 Rue Levy, Suite 220  
Entity Address, City or Town Saint-Laurent  
Entity Address, State or Province QC  
Entity Address, Country CA  
Entity Address, Postal Zip Code H4R 2P1  
City Area Code 514  
Local Phone Number 332-4888  
Entity Ex Transition Period true  
Entity Common Stock, Shares Outstanding   51,105,201
Common Shares    
Entity Listings [Line Items]    
Trading Symbol ENGN  
Title of 12(b) Security Common Shares  
Security Exchange Name NASDAQ  
Warrants, each exercisable for one Common share, at an exercise price of $11.50 per share    
Entity Listings [Line Items]    
Trading Symbol ENGNW  
Title of 12(b) Security Warrants, each exercisable for one Common Share, at an exercise price of $11.50 per share  
Security Exchange Name NASDAQ