PsiQuantum develops fault-tolerant photonic quantum computers targeting one million physical qubits using silicon photonic chips and standard semiconductor manufacturing, founded by Jeremy O’Brien, Terry Rudolph, Mark Thompson, and Pete Shadbolt with over $2.1 billion raised across multiple funding rounds including a $750 million round led by BlackRock at a $6 billion valuation in 2025, bypassing near-term NISQ systems to focus exclusively on utility-scale quantum computing for drug discovery, materials science, and cryptography applications with planned quantum data centers in Australia and the United States.
Jeremy O’Brien (Co-founder), Terry Rudolph (Co-founder), Mark Thompson (Co-founder), Pete Shadbolt (Co-founder)
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Private
$1415M
3 funding rounds tracked. View detailed investment history →