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Sunstone Partners is an investment fund focused on growth equity investments and majority buyouts in technology businesses in North America. The team previously worked together at Trident Capital, a multi-stage investment firm with seven funds and $1.9 billion under management since 1993.

The firm is currently investing out of Sunstone Partners I, LP, a fund with $310 million of committed capital. Sunstone Partners invests in both sizable minority positions and control transactions.

Sunstone Partners was founded in 2015 and is headquartered in San Mateo, CA. It was previously known as TC Growth Partners.