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Photonic

PH
Quantum ComputingIndustrial & ManufacturingUSWebsite
#403 by valuation

Photonic develops quantum computing hardware based on silicon spin qubits. Its architecture uses photonic links and telecom-compatible interfaces to connect qubit modules into a distributed system. The company focuses on building scalable, fault-tolerant quantum computers and quantum networking capabilities.

Founded by Stephanie Simmons (Founder & Chief Quantum Officer), Michael Thewalt (Co-founder & Scientific Fellow)

Blended valuation$2B
Valuation history
Weekly blended valuation with priced funding rounds marked on the timeline.
$2B
blended valuation
Jun 1, 2026$2BOct 5, 2026
All rounds
1 funding rounds, newest first.
RoundAnnouncedRaisedPost-money
Series EMay 13, 2026$200M$2B
Investors
11 investors across all rounds.
  • MI
    Microsoft
  • MC
    Mubadala Capital
  • BC
    BDC Capital
  • BV
    Bell Ventures
  • BC
    British Columbia Investment Management Corporation
  • ED
    Export Development Canada
  • FV
    Firgun Ventures
  • II
    InBC Investment
  • PF
    Planet First Partners
  • RB
    Royal Bank of Canada
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Data as of Oct 16, 2026. Valuations are estimates blended from primary and secondary-market signals — not investment advice.