PsiQuantum logoCompany profile

PsiQuantum

PsiQuantum is building the world's first commercially useful, utility-scale fault-tolerant quantum computer based on photonic qubits, with manufacturing partnerships at GlobalFoundries. Founded in 2016 by University of Bristol researchers and headquartered in Palo Alto, the company has raised approximately $1.8B in equity, including a $1B round in September 2025 led by BlackRock that valued it at $7B.

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Company snapshot

  • Active
Total funding
$1.8B
Funding rounds
6
Last round (Series E)
$1.0B
Last round date
Sep 2025
Founded
2016
Employees
501-1000
Headquarters
Palo Alto, California, United States
Last round vs total raised$1.0B of $1.8B

Founders

Jeremy O'Brien, Terry Rudolph, Pete Shadbolt, Mark Thompson

Industries

  • Quantum Computing
  • Hardware
  • Photonics
  • Deep Tech

Notable investors

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InvestorRole
BlackRockLead
Baillie GiffordLead
TemasekCo-investor
Microsoft (M12)Co-investor
Playground GlobalCo-investor
BlueScopeXLead
AtomicoCo-investor

Frequently asked questions

PsiQuantum has raised $1.8B in total funding across 6 rounds.

PsiQuantum's most recent round was a Series E of $1.0B in Sep 2025.

PsiQuantum was founded in 2016.

PsiQuantum is headquartered in Palo Alto, California, United States.

PsiQuantum has 501-1000 employees.

PsiQuantum's notable investors include BlackRock, Baillie Gifford, Temasek, Microsoft (M12), Playground Global, BlueScopeX.

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