Osisko Gold Group Inc., together with its subsidiaries, acquires, explores, and develops precious metals resource properties in Canada, Mexico, and the United States. It explores for precious and base metals including gold, silver, lithium, copper, lead, and zinc. Its flagship asset is the 100% owned Cariboo Gold Project, covering approximately 192,000 hectares with 443 mineral and placer titles in British Columbia, Canada. The company also holds a portfolio of marketable securities. It was formerly known as Osisko Development Corp. and changed its name to Osisko Gold Group Inc. in July 2026. The company is headquartered in Montreal, Canada.