v3.26.1
Segment information (Details)
12 Months Ended
Dec. 31, 2025
CHF (SFr)
segment
Dec. 31, 2024
CHF (SFr)
Dec. 31, 2023
CHF (SFr)
Segments      
Number of segments | segment 1    
Collaborative research funding SFr 29,972 SFr 404,102 SFr 1,612,953
Fair value of services received at zero cost from Neurosterix Group 141,018    
Other service income 1,870 5,940 4,235
Revenue and other operating income 172,860 410,042 1,617,188
Long-lived assets 4,684,148 7,136,940  
Operating costs 2,987,458 3,165,275 3,860,155 [1]
Capital expenditure 0 1,273 6,842
Switzerland      
Segments      
Long-lived assets 4,683,813 7,136,602  
Operating costs 2,974,125 3,129,444 3,844,670
United States of America      
Segments      
Operating costs 8,942 31,276 11,117
France      
Segments      
Long-lived assets 335 338  
Operating costs 4,391 4,555 4,368
Indivior PLC      
Segments      
Revenue and other operating income 29,972 404,102 1,612,953
Neurosterix Group      
Segments      
Revenue and other operating income 141,018    
Other counterparties      
Segments      
Revenue and other operating income SFr 1,870 SFr 5,940 SFr 4,235
[1] The comparative information has been re-presented due to discontinued operations that have been reclassed to the financial line called “Net profit or loss from discontinued operations” (note 23). In the other sections of these consolidated financial statements an asterisk will indicate where comparative information has been re-presented