# PsiQuantum

> Photonic quantum-computing developer building large fault-tolerant systems.

## Why it is interesting

Its $1 billion Series E brought asset managers, sovereign capital and NVIDIA into a capital-intensive bet on photonic manufacturing and large-scale systems.

## Profile

- **Latest funding:** Series E — $1B (September 10, 2025)
- **Latest known valuation:** $7B at the financing; not a current market price (September 10, 2025)
- **Total disclosed equity funding:** $1.4B
- **Stage:** growth
- **Status:** private
- **Industries:** quantum-computing
- **Coverage:** full
- **Last updated:** 2026-10-26
- **Latest funding investors:** Funds and accounts managed by affiliates of BlackRock, Temasek, Baillie Gifford, Entities administered by Macquarie Capital, Ribbit Capital, NVentures, Adage Capital Management, Qatar Investment Authority, Type One Ventures, Counterpoint Global (Morgan Stanley), 1789 Capital, S Ventures, Blackbird, Third Point, T. Rowe Price

## Funding history

- Series E · $1B · September 10, 2025
  Source: https://www.psiquantum.com/news-import/psiquantum-1b-fundraise
- Series D · $450M · July 27, 2021
  Source: https://www.businesswire.com/news/home/20210727005393/en/PsiQuantum-Closes-%24450-Million-Funding-Round-to-Build-the-Worlds-First-Commercially-Viable-Quantum-Computer

## Investors in our directory

- https://venturecapitaltracker.com/fund/nventures

## Related articles

- https://venturecapitaltracker.com/2026-quantum-computing-funding-landscape-investors-startups
- https://venturecapitaltracker.com/quantum-computing-investors-funds-and-portfolio-companies
- https://venturecapitaltracker.com/psiquantum-funding-valuation-investors

**By:** [Venture Capital Tracker](https://venturecapitaltracker.com/editorial-policy)
**Last updated:** October 26, 2026

**Editorial note:** AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.

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Source: https://venturecapitaltracker.com/startup/psiquantum