v3.26.1
Related parties (Tables)
12 Months Ended
Dec. 31, 2025
Disclosure of transactions between related parties [abstract]  
Disclosure of subsidiaries [Table Text Block]
       

Beneficial

ownership of

ultimate

controlling party

(Hudbay Minerals

Inc.)

Name Jurisdiction Business Entity's Parent 2025 2024
HudBay Peru Inc.

British

Columbia

Holding

company

HMI 100% 100%
HudBay Peru S.A.C. Peru

Exploration/

development

HudBay Peru Inc. 100% 100%
HudBay (BVI) Inc. British Virgin Islands

Precious metals

sales

HudBay Peru Inc. 100% 100%
Hudbay Arizona Inc. British Columbia

Holding

company

HMI 100% 100%
Copper World LLC. Arizona

Exploration/

development

HudBay Arizona (US) Holding

Corporation

100% 100%
Mason Resources (US) Inc. Nevada

Exploration/

development

Hudbay Arizona (US) 100% 100%
HudBay Arizona (Barbados) SRL Barbados

Precious metals

sales

Hudbay Arizona Inc. 100% 100%
Copper Mountain Mine (BC) Ltd.

British

Columbia

Exploration/

development

HMI 100% 75%
Disclosure of information about key management personnel [Table Text Block]
    Year ended December 31,  
    2025     2024  
Short-term employee benefits1 $ 11.1   $ 11.1  
Post-employment benefits   1.0     0.9  
Termination benefits   -     0.7  
Long-term share-based awards2   9.0     3.6  
  $ 21.1   $ 16.3