Quantum Motion is a UK-based quantum computing company focused on silicon qubits and scalable chip-based quantum hardware. It was founded in 2017 and is led by CEO James Palles-Dimmock.
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| Date | Round | PPS (split-adj.) | Valuation |
|---|---|---|---|
| May 2026 | Series C | ||
| Feb 2023 | Series B |
Quantum Motion announced a $160 million Series C on May 7, 2026, co-led by DCVC and Kembara. The round included the British Business Bank and Firgun, and management said it will fund commercial-scale silicon quantum computers.
Quantum Motion said it joined the €50 million SPINS pilot line to advance semiconductor qubit manufacturing. The company says the effort supports spin qubits, silicon-CMOS integration, and manufacturable fault-tolerant quantum chips.
Quantum Motion says it is building utility-scale quantum computers using silicon, the same core material used in smartphones and computers. The company claims its architecture can deliver 100x cost and space reductions and 1,000x energy savings inside standard data-centre racks.
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No. As of August 2026, Quantum Motion is a private company and does not trade on any public stock exchange. Accredited investors can access Quantum Motion shares through UpMarket, a FINRA-registered broker-dealer that specializes in pre-IPO investments.
Quantum Motion does not have a public stock price because it is privately held. The most recent known share price comes from its last funding round. Pre-IPO share prices on the secondary market may differ from the last round price depending on supply, demand, and market conditions.
Yes. Accredited investors can indicate interest in Quantum Motion shares through UpMarket by filling out the form on this page or creating an account at upmarket.co. All pre-IPO offerings are subject to availability and require a $50,000 minimum investment. UpMarket is a FINRA-registered broker-dealer and has brokered more than $500M in alternative investments since 2019.
Pre-IPO investments carry significant risks. Quantum Motion shares are illiquid, meaning there is no public market to sell them quickly. There is no guaranteed exit timeline or return. The investment is speculative in nature, and investors should be prepared for the possibility of total loss. Valuations of private companies can fluctuate substantially between funding rounds. Investors should consult their financial advisor and review all offering documents before investing.
In a pre-IPO transaction, accredited investors purchase shares from existing shareholders (such as employees, early investors, or other holders) through secondary market platforms. The company itself does not issue new shares in these transactions. UpMarket facilitates these trades as a FINRA-registered broker-dealer, handling compliance, documentation, and settlement on behalf of both parties.
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UpMarket's valuation estimate is derived from a proprietary model that incorporates multiple data sources: funding round data (Caplight), revenue estimates (Sacra), secondary market pricing, and public company comparables. The model applies a private company discount to the public comp multiple to account for illiquidity and information asymmetry. This estimate is not investment advice and may differ substantially from the price at which shares actually trade.
Quantum Motion develops silicon qubit quantum computers and reported $29.9M in 2026 revenue, after closing a $160M Series C to scale chip-based quantum hardware, accredited investors can access Quantum Motion stock through UpMarket.