Bartlett plans up to $400 million. What decides these deals is not the percentage but the scope of the work and the terms of the exit.

A YouTuber’s influence is being put to work as an investing edge. Anti Fund, the firm Jake Paul co-founded, closed its growth-stage vehicle, Growth I, in June at $100 million, above target. Assets under management across the firm now exceed $180 million. The portfolio includes OpenAI, SpaceX and Anduril.