Rio Tinto takes majority control of Nemaska Lithium to boost Quebec operations
The miner now holds a 53.9 percent stake in the venture alongside the Quebec government. Production at the Becancour plant is scheduled to begin in 2028.
Insights:
Rio Tinto Group has acquired a 53.9% majority stake in Nemaska Lithium and will assume direct management of the company, a move that consolidates control over critical lithium infrastructure in Canada 
CA. The Government of Quebec retains the remaining 46.1% ownership stake. This transaction, completed as of February 18, 2026, marks a significant step in establishing an integrated lithium supply chain for the North American electric vehicle market.
CA. The Government of Quebec retains the remaining 46.1% ownership stake. This transaction, completed as of February 18, 2026, marks a significant step in establishing an integrated lithium supply chain for the North American electric vehicle market.
