Rheinmetall Acquires Stake in Rock Tech Lithium to Secure Battery Supply

Key Facts

1Rheinmetall AG has acquired a stake in Rock Tech Lithium and its production facility located in Germany.

Rheinmetall AG has acquired a strategic stake in Rock Tech Lithium and its production facility located in Germany. Investing.com reported that the move is aimed at securing long-term access to battery-grade lithium chemicals for Rheinmetall's growing electrification and defense technology segments.

RNMBF closed at $1156.99 on October 15, 2026, with the stock reaching a day high of $1157.74 and a low of $1107.73. The acquisition signals a move toward vertical integration within the battery supply chain by major industrial players to support long-term electrification commitments.