Good morning. Here's everything happening in startup land today, in under 2 minutes.
💸 BIGGEST ROUNDS
Panthalassa — $140M Series B Oregon-based Panthalassa just raised $140M led by Peter Thiel to fund the world's first wave-powered floating data center fleet. The startup's autonomous "lollipop-shaped" nodes generate clean electricity from ocean waves, run AI inference chips directly onboard, and transmit results to land via low-Earth-orbit satellites, bypassing the grid, terrestrial cooling, and permitting nightmares that plague traditional AI data centers entirely. The investor list is one of the most stacked of the year: John Doerr, Marc Benioff (TIME Ventures), Max Levchin (SciFi Ventures), Hanwha Group, Anthony Pratt, Fortescue Ventures, Susquehanna, Dylan Field, Super Micro Computer, plus returning investors Founders Fund, Lowercarbon, and Gigascale. Total raised to date: $210M. Valuation reportedly close to $1B per the Financial Times. Panthalassa has 120 employees, plans Ocean-3 pilot deployments in the northern Pacific this year, and is targeting commercial deployments in 2027.
📰 HEADLINES, NO FLUFF
→ Cerebras filed to go public at a $26.6B valuation. The AI chipmaker filed an amended S-1 with the SEC on May 4, planning to sell 28M shares at $115–$125 each to raise $3.5B. If it prices at the top, it's the largest tech IPO of 2026. OpenAI is Cerebras's biggest customer, lent the company $1B in December (secured by warrants), and Sam Altman, Greg Brockman, Ilya Sutskever, and Adam D'Angelo are all personal angel investors.
→ Sam Altman is reportedly considering spinning out OpenAI's robotics and consumer hardware units. The plan is to give them independent funding and operations under an Alphabet-style structure. The robotics arm has been quietly hiring from Boston Dynamics, Figure, and Tesla over the past 18 months, and the consumer hardware unit is reportedly working on the long-rumored OpenAI device with Jony Ive. Spinning them out would let each unit raise capital at its own valuation and recruit specialized talent without competing for OpenAI core's payroll.
→ KKR led a $125M Series C in Reserv, the AI claims platform now at $100M ARR. Bain Capital Ventures and Flourish Ventures followed on. Reserv's AI handles property and casualty insurance claims for nearly 200 insurers and the goal is to scale from 500K complex claims today to 30M annually within four years. KKR's bet via its Next Gen Tech Growth strategy is a signal that AI is replacing claim-by-claim human work in trillion-dollar industries.
→ Kids are bypassing age verification checks by drawing on a fake mustache. Internet Matters surveyed 1,000 children and roughly half said age checks were "easy to bypass,” using techniques like makeup-pencil mustaches, pointing webcams at adult-looking video game characters, or just pulling weird faces. Half of US states and the UK now require age verification, with Apple, Reddit, and Meta all rolling out compliance tools.
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