Winklevoss Capital is a family office founded in 2012 by Tyler Winklevoss and Cameron Winklevoss. The firm invests across multiple asset classes including seed funding and infrastructure to early-stage startups. The company is headquartered in New York's Flatiron District.

A family office is a privately held company that handles investment management and wealth management for a wealthy family, generally one with at least $50–100 million in investable assets, with the goal being to effectively grow and transfer wealth across generations. The company's financial capital is the family's own wealth.