Hyundai Motor Group has said that it would make US robotics company Boston Dynamics a wholly owned subsidiary by acquiring Soft-Bank Group's stake of around 10 percent, a move it said would help it deploy advanced robotics across its operations.

Hyundai is acquiring SoftBank's remaining 9.65% stake in Boston Dynamics, giving the automaker full ownership of one of the world's best-known robotics companies.

Hyundai Motor Group Executive Chair Chung Euisun is set to increase his personal stake in Boston Dynamics to 25 percent by investing an additional...