Series B · Hardware

Oratomic raises $475 million Series B for quantum computing

Six investors co-led the round, bringing the company’s total financing to $775 million.

ARCH Venture Partners, Spark Capital, Khosla Ventures, Index Ventures, General Catalyst and Bezos Expeditions backed the financing. The round values Oratomic at $5.4 billion, according to its transaction counsel, Wilson Sonsini.

Oratomic will expand its scientific and engineering teams, laboratory infrastructure and computing systems. The company uses reconfigurable arrays of neutral atoms and error-correction technology to develop fault-tolerant quantum computers.

Use of funds

Expand scientific and engineering team

Develop laboratory infrastructure

Build quantum computing systems

Funding history

Series B · This round$475M
Series A$300M

Sources

  1. Wilson Sonsini Advises Oratomic on $475 Million Series B Financingecvc.wsgr.com · Oct 8, 2026
  2. oratomic.com