Investor · London
Quantum computing is one of four investment themes at this London growth equity firm, alongside energy, consumer platforms and health tech. In August 2024 it led the $75m Series C of Riverlane, the Cambridge quantum error correction company. It also backs the quantum venture funds Quantonation I and II, committing to the second in June 2025, and led a 2026 round for Canada's Photonic Inc. In November 2025 it hosted its first quantum computing event, with the founders of ORCA Computing and Riverlane as speakers.
Founded in 2020, Planet First Partners is an investor in London focused on quantum computing. It is not yet linked to a UK project in this directory.
Sources: Riverlane raises $75m · Planet First Partners · Planet First Partners invests in Quantonation II, Quantonation · Planet First Partners hosts first quantum computing event with Quantonation · Planet First Partners leads US$130 million financing for Photonic Inc., Fasken
No project in this directory lists Planet First Partners as lead, partner or funder yet.
Recent articles from Quantum Zeitgeist that mention Planet First Partners.
Photonic Inc. & Microsoft collaborate on quantum resource estimation, leveraging the SHYPS family of Quantum Low-Density Parity Check codes.
Image © Quantum Zeitgeist
Photonic Inc. and Microsoft are collaborating to advance quantum resource estimation for future large-scale quantum computing systems, helping developers and enterprises understand the value of distributed architectures and advanced error-correction approaches. The companies are working to better es
Image © Quantum Zeitgeist
Photonic Inc. unveiled Project VANGUARD, a $500M facility to boost Canadian quantum, AI, and defence tech manufacturing.
Image © Quantum Zeitgeist
Top silicon spin quantum computing companies in 2026: Intel Tunnel Falls, Diraq, SQC, Quantum Motion, Equal1, Quobly, Photonic, Groove. CMOS-compatible qubits.
Image © Quantum Zeitgeist
Research, commercial and investment relationships, by year. Partners with a profile here are linked.
Photonic Inc Investment 2026
Xanadu Investment 2026
Quantonation Investment 2025
Riverlane Investment 2024
Chosen by shared specialisms, then location and type.
Investor · London · 2 shared specialisms
Investor · London · 2 shared specialisms
Investor · London · 2 shared specialisms
Investor · London · 2 shared specialisms
Company data from Entangled Future. News from Quantum Zeitgeist. Last checked 2 October 2026.
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