Stack Capital Group, Inc. operates as an investment holding company. It engages in making investments on growth to late-stage private issuers with long-term growth potential, located primarily in, or with customers, suppliers or business primarily conducted in or dependent on, Canada and the United States. The firm's objective is to maximize its long-term capital appreciation by seeking to achieve superior risk-adjusted investment performance. The company was founded on April 1, 2021 and is headquartered in Toronto, Canada.