PsiQuantum
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PsiQuantum

http://www.psiquantum.com/
Last activity: 13.10.2025
Active
Categories: DeepTechHardwarePhotonicsQuantumComputingSemiconductor
Quantum computing will be a world-changing technology with the potential to unlock powerful advances in medicine, energy, finance and beyond. At PsiQuantum, we’re focused on building the world’s first useful quantum computer. A useful quantum computer requires at least 1,000,000 qubits and error correction. We believe photonics is the only path to building a useful quantum computer. Our team at PsiQuantum is a mix of quantum physicists, semiconductor, systems, and software engineers, system architects and more. Error correction is at the centre of everything we do; and we focus on solving real-world problems. If you’re interested in joining our team, we are always open to hearing from exceptional people interested in working on one of the defining technologies of our lifetime.
Followers
21.32K
Website visits
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Mentions
87
Location: United States
Employees: 51-200
Total raised: $2.82B
Valuation: $7B
Founded date: 2016

Investors 15

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Funding Rounds 4

DateSeriesAmountInvestors
24.09.2025Series E$1BRibbit Cap...
25.03.2025-$750M-
30.04.2024-$620M-
02.08.2021Series D$450M-

Mentions in press and media 87

DateTitleDescription
13.10.2025Expand North Star 2025 Opens in Dubai Harbour Celebrating a decade of innovation, the world's largest startup and investor event returns bigger than ever—hosting over 2,000 startups and 1,200 investor...Expand North Star by GITEX GLOBAL runs at Dubai Harbour from October 12-15, 2025. Organised by Dubai World Trade Centre (DWTC), and hosted by the Dubai Chamber of Digital Economy, Expand North Star 2025 is convening founders, investors, ent...
02.10.2025Silicon photonics emerges as a catalyst in the quantum computing race Quantum computing leverages the semiconductor playbook Send us a News Tip EXTRACT THE SIGNAL FROM THE NOISE CookiesQuantum computing has long lingered in the realm of theory and lab experiments, but the tide is turning fast. PsiQuantum Corp., a Bay Area startup with major ambitions and a deep war chest, is betting on silicon photonics. Its goal is to us...
29.09.2025C4 Ventures: €100 Million Third Fund LaunchedC4 Ventures, a European venture capital firm led by experienced technology operators, has announced the launch of its third investment fund. The new fund aims to raise approximately 100 million euros and will focus on early-stage investment...
24.09.2025Temasek provides $1 B in Series-E funding to PsiQuantumPsiQuantum revealed that it had raised $1 billion for its Series E round, which aims to create the first fault-tolerant, commercially viable quantum computers. In a statement, the company stated that this fundraising, which is led by funds ...
23.09.2025C4 Ventures launches €100M Fund III to back Europe’s next wave of AI and deep tech startupsVenture capital firm C4 Ventures announces the launch of its third fund, with a target fund size of €100 million. C4 Ventures III will focus on early-stage investments in AI and deep tech startups across Europe, reinforcing the continent’s ...
23.09.2025This VC firm out of Paris just launched a €100 million fund to back European AI sovereigntyC4 Ventures, a French VC firm, announces the launch of its third fund, with a target fund size of €100 million to focus on early-stage investments in AI and DeepTech startups across Europe, reinforcing the continent’s ability to create glob...
15.09.2025PsiQuantum Raises $1 Billion at a $7 Billion Valuation Only paid subscribers can comment on this postPsiQuantum is a quantum computing company with a mission to build and deploy the world's first commercially useful quantum computers. The company's technology is based on a photonic approach, using light-based silicon-photonics chips, which...
11.09.2025PsiQuantum: $1 Billion At $7 Billion Valuation Raised For Building Fault-Tolerant Quantum ComputersPsiQuantum has raised $1 billion in Series E funding to accelerate the development of its fault-tolerant quantum computing systems. The round was led by BlackRock, Temasek, and Baillie Gifford, with new participation from NVIDIA’s NVentures...
10.09.2025Quantum Leap: PsiQuantum Secures $1 Billion, Partners With NvidiaPsiQuantum, a leader in quantum computing, just secured $1 billion in Series E funding. This propels its valuation to $7 billion. A pivotal partnership with Nvidia was also announced. This collaboration accelerates the development of PsiQua...
10.09.2025PsiQuantum Raises $1 Billion in Series E FundingPsiQuantum, a Palo Alto, CA-based company that builds and deploys quantum computers, raised $1 Billion in Series E funding. The round was led by BlackRock, along with Temasek and Baillie Gifford bringing the valuation of the company at $7 B...
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