Supabase, Ramp and Helion Fuel a Mega-Round Week — June 05, 2026

Supabase raised $500 million at a $10.5 billion valuation as Ramp hit $44 billion and Helion drew $465 million, showing late-stage capital crowding into AI infrastructure, fintech automation, and power-hungry fusion bets. In this episode: Top stories: 1. Database startup Supabase raises $500 million $10.5 billion valuation — CNBC https://www.cnbc.com/2026/06/04/database-startup-supabase-raises-500-million-10point5-billion-valuation.html 2. Ramp raises $750M Series F at $44 billion valuation — The Next Web https://thenextweb.com/news/ramp-series-f-44-billion-valuation 3. Helion, the Sam Altman-backed fusion startup, raises $465M to build a power plant for Microsoft | TechCrunch — TechCrunch https://techcrunch.com/2026/06/04/helion-the-sam-altman-backed-fusion-startup-raises-465m-to-build-a-power-plant-for-microsoft/ 4. Benchmark raises its first-ever growth fund as part of $2B capital haul | TechCrunch — TechCrunch https://techcrunch.com/2026/06/03/benchmark-raises-its-first-ever-growth-fund-as-part-of-2b-capital-raise/ 5. Ona Therapeutics Raises $86.6 Million Series B to Advance First-in-Class ADCs into Clinical Development | Markets Insider — Markets Insider https://markets.businessinsider.com/news/stocks/ona-therapeutics-raises-86-6-million-series-b-to-advance-first-in-class-adcs-into-clinical-development-1036224233 Follow and rate Startup Fundraising on Apple Podcasts or Spotify. Feedback? Email [email protected]