A post signed by Isaiah Taylor, dated August 4, 2026 in Valar's library, announces a closed $1 billion Series B led by Sequoia Capital, with Sequoia partner Shaun Maguire joining the board, and a separate $200 million credit facility led by Erebor Bank and J.P. Morgan with Crescent Cove and Hercules Capital. Named co-investors include Apandion, Atreides Management, Conviction, Dream Ventures, HOF Capital, Point72, Riot Ventures, Snowpoint Ventures and Valor Equity Partners. The post says the money will move Valar from one integrated reactor to fleet production, including making its own fuel in labs beside its reactors. No valuation is stated. Full funding history belongs in funding.json. TechCrunch reported the announcement on Monday, August 3, 2026, a day before the date the post carries, and gave Bloomberg's report of a $6 billion valuation.

• Announcing our $1B Series B Led By Sequoia (Valar Atomics, 2026-08-04) primary company “the closing of a $1 billion Series B financing led by Sequoia Capital”
• Sequoia's Shaun Maguire leads $1B round for nuclear startup Valar Atomics (TechCrunch, 2026-08-03) news “Valar Atomics confirmed the whisperings that it was raising a giant round”