On September 22, 2026, Snorkel AI, the frontier AI data lab, announced it raised $350 million at a valuation of $3.5 billion. The investment will expand Snorkel AI's agentic data factory, which supplies the data and environments behind the world's most advanced AI lab systems. A Wilson Sonsini Goodrich & Rosati team led by Rezwan Pavri and Bryan King advised Snorkel AI on the transaction.

The financing was co-led by Insight Partners and S32, with significant participation from existing investor Addition. The round included new investors March Capital, Blumberg Capital, Allegis Capital, Frontline, Standard, and Third Point Ventures, along with existing investors Greylock, Lightspeed, GV, Factory, Prosperity7, Walden Catalyst, and Wells Fargo.

The Wilson Sonsini corporate team that advised Snorkel AI on the transaction also included Karin Hjorth, Jason Choi, John Bergeson, Samantha Pelto, and Matthew Cook.

For more information, please see Snorkel AI's blog post. Additional coverage can be found on Reuters and TechCrunch.