Thomson Reuters Tilray hit a market cap of more than $14 billion on Tuesday, making it worth more than the previous title-holder Canopy Growth. Tilray's market cap has exploded by more than 800% since its July IPO. Follow Tilray's stock price in real-time here. Tilray's explosive growth this week, a 29% through Tuesday, has left the Canadian cannabis producer with a larger market cap than Canopy Growth, which has held the title of largest publicly traded marijuana company.