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PsiQuantum

DeepSeries D+

PsiQuantum is on a mission to build the first commercially useful quantum computer to solve humanity's greatest challenges.

🌐 www.psiquantum.comLinkedIn📍 CAEst. 2015👥 501-1000 employees
1Rounds
3Articles
General InformationPsiQuantum is a silicon photonics quantum computing company headquartered in Palo Alto, California, with approximately 573 employees, founded in 2015.
Funding & FinancialsPsiQuantum has raised $2.32B in total across 8 rounds, most recently closing a $1B Series E in September 2025 led by BlackRock, Temasek, and Baillie Gifford at a $7B valuation.
Leadership & TeamCo-founder Jeremy O'Brien transitioned to Executive Chairman in early 2026, with Victor Peng (former President of AMD and CEO of Xilinx) appointed as Interim CEO; Mark Thompson serves as Co-Founder and CTO.
Recent ActivityIn early 2026, PsiQuantum appointed Victor Peng as Interim CEO and broke ground on utility-scale quantum computing facilities in both Chicago, Illinois and Brisbane, Australia, while also launching the Construct fault-tolerant algorithm software platform and its Omega chipset manufactured at GlobalFoundries.

Highlights

Total Raised
1 rounds
Latest Round
$1
Jun 20, 2026
Stage
Series D+
deep-tech
Employees
501-1000
Founded 2015
Headquarters
CA
News Coverage
3 articles
Last: 26d ago
Talent Signals
1 moves
SEC Filings

Backers

BlackRock
Nvidia Ventures
Temasek

Funding History

$1
2026
Series E
SEC Form D   Editorial
Jun 20, 2026
$1 billionSeries E · Editorial

Investors: BlackRock, Temasek, Nvidia Ventures

PsiQuantum closed a $1B Series E in September 2025 led by BlackRock and Temasek, valuing the company at $7B to fund construction of its utility-scale photonic quantum facility in Queensland.

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News Coverage 3

Talent 1

Victor Peng
appointmentInterim CEOJun 20, 2026
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