Amperity has raised $9M in its Series A, $28M in Series B, $50M in Series C, and $100M in Series D, totaling $187M in funding to date. Additional rounds include a pre-seed in January 2016 and a convertible note in April 2011. Investors participating across these rounds include HighSage Ventures, Tiger Global Management, Madrona Venture Group, and Declaration Partners. These funds have been used to develop Amperity’s AI-powered customer data platform, expand international operations, enhance data management capabilities, and drive R&D innovation in first-party customer data solutions.