Quantum computing firm reaches $10bn valuation as investor interest builds

British founder doubles value of stake in business with excitement growing over technology’s ‘transformative potential’

A British quantum computing entrepreneur has doubled the value of his stake in the business he founded to $2bn (£1.5bn), after the company achieved a $10bn valuation in its latest fundraising.

Ilyas Khan, 63, is the founding chief executive of Quantinuum, a UK-US firm which announced on Thursday it had raised $600m as investor interest builds in the cutting-edge technology.