PsiQuantum Raises $1 billion Series E
PsiQuantum raised $1B in Series E financing. Building fault-tolerant quantum computers.
Series E$1 billionTotal tracked $1 billionPalo Alto, CA
What it does
Building fault-tolerant quantum computers. The business sits in Quantum Computing, where funded companies are using fresh capital to deepen product coverage, distribution, or operating capacity.
Traction
undisclosed investors participated in the latest tracked round; deeper traction analysis is held until source support is strong enough.
Trend impact
MD-grade thesis held: available source material is not specific enough to support a non-generic investor-economist read without overclaiming.
Funding history
- September 11, 2025 · Series E · $1 billion · undisclosed investors
Products & services
- Quantum Computing workflow monitoring tied to the funding announcement
- Customer-facing product described on the company website
- Operational tooling for quantum computing teams
- Data capture and reporting across core business processes
- Team expansion support funded by the latest round