PitchBook’s annual ranking of the top fund families in venture capital places familiar firms like Union Square Ventures alongside lesser-known managers that have handily beaten the benchmark.

A new framework for scoring the performance of fund families reveals a fresh ranking of the top VC firms—most of which are investing in one sector.

Through four funds, a decade and change, and successful exits from middle-market companies including Barjan, Carlton Creek Ironworks and Friedrich Air Conditioning, Monomoy Capital Partners can claim management of the top-performing buyout fund family.