According to Quantum Insider, Oratomic has raised a $300 million Series A financing round as the quantum computing startup moves to accelerate development of a fault-tolerant quantum computer that it says could reach commercial utility before the end of the decade.

According to a company blog post, the financing was co-led by ARCH Venture Partners, Spark Capital and Khosla Ventures, with participation from Bezos Expeditions, Index Ventures, General Catalyst, Lowercarbon Capital, Bain Capital, Formation, Nebular, David and Scott Aaronson. Additional investors include Les Kohn, Baiju Bhatt, Infleqtion, Genius Ventures, 7i Capital and Global Frontier Investments.