v3.26.1
Document and Entity Information
6 Months Ended
Jun. 30, 2026
Document and Entity Information  
Document Type 6-K
Entity Registrant Name AC IMMUNE SA
Entity Central Index Key 0001651625
Document Period End Date Jun. 30, 2026
Document Fiscal Period Focus Q2
Document Fiscal Year Focus 2026
Amendment Flag false
Current Fiscal Year End Date --12-31