Osisko Gold Group Inc., together with its subsidiaries, acquires, explores, and develops precious metals resource properties in Canada, Mexico, and the United States. The company explores for precious and base metal, gold, silver, lithium, copper, lead, and zinc deposits. Its flagship asset is the 100% owned Cariboo Gold Project, which covers an area of approximately 192,000 hectares consisting of 443 mineral and placer titles located in British Columbia, Canada. The company also holds a portfolio of marketable securities. Osisko Gold Group Inc. 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.