StepStone Group is a global private markets investment firm operating as an allocator, fund-of-funds manager, and secondary investor across private equity, venture capital, and private credit. StepStone does not invest directly in startups at the company level; instead, it backs VC funds and managers. For founders, StepStone is non-actionable for direct fundraising, but understanding which funds StepStone backs can be useful for assessing LP support and fund stability.