PSI

PsiQuantum

Photonic million-qubit fault-tolerant quantum computing (Source: PsiQuantum Newsroom).
Pre-revenue (commercial: post-2027)
Revenue
0
Open Roles
Palo Alto, California, United StatesFounded 2016 (Source: Wikipedia).
About PsiQuantum

PsiQuantum announced $1B Series E in September 2025, led by BlackRock, valuing the company at $7B (up from $3.2B in 2021). Joiners include NVIDIA NVentures, Temasek, Baillie Gifford, Morgan Stanley's Counterpoint Global, and the Qatar Investment Authority (Source: BusinessWire).

PsiQuantum's thesis is that commercially valuable quantum computing requires error correction — and therefore on the order of a million physical qubits. The company uses photonic qubits combined with direct leverage of high-volume semiconductor manufacturing (Source: PsiQuantum Newsroom).

PsiQuantum is breaking ground on utility-scale quantum computing sites in Brisbane (with A$940M Australian Commonwealth + Queensland investment) and Chicago. NVIDIA NVentures returned as a repeat investor in a January 2026 follow-on round (Source: BusinessWire; The Quantum Insider).

At a Glance
Sub-industriesConsumer Electronics
IndustryHardware & Semiconductor
DomainComputer Hardware Manufacturing
HQ LocationPalo Alto, California, United States
Company Size501-1000 employees
5 Facts You Should Know
1

$1B Series E (Sept 2025)

Led by BlackRock; values PsiQuantum at $7B (up from $3.2B in 2021); NVIDIA NVentures, Temasek, Baillie Gifford participated.

2

Photonic quantum computing approach

Million-physical-qubit scale required for fault tolerance; leverages high-volume semiconductor manufacturing.

3

A$940M Australian government investment

Brisbane site planned as world's first useful quantum computer; Queensland + Commonwealth co-investment.

4

Chicago utility-scale site

Second flagship installation; both sites break ground following Series E funding.

5

Jan 2026 follow-on round

NVIDIA NVentures returned as repeat investor signalling quantum-classical convergence interest.

Open Roles at PsiQuantum
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Why Join PsiQuantum

Photonic quantum at million-qubit scale

Build the platform aimed at the world's first commercially useful, fault-tolerant quantum computer (Source: PsiQuantum Newsroom).

$1B Series E + NVIDIA + BlackRock

Top-tier strategic + financial investor base after Sept 2025 Series E (Source: BusinessWire).

Utility-scale sites: Brisbane + Chicago

Break ground on the world's first useful quantum computer flagships (Source: BusinessWire).

Engineering Culture Signals

A$940M Australian government backing

Queensland + Commonwealth co-investment for Brisbane site (Source: BusinessWire).

NVIDIA returning investor

NVIDIA NVentures repeat investor (Sept 2025 + Jan 2026) signals quantum-classical convergence interest (Source: TechFundingNews).

Founders are quantum-computing pioneers

Co-founded by Jeremy O'Brien, Terry Rudolph, Pete Shadbolt, Mark Thompson (Source: PsiQuantum.com).

Engineering Locations

Palo Alto, California, United States

Headquarters

Interested in PsiQuantum?

Browse open roles and apply directly on the PsiQuantum careers page.

Careers Site →
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