Ilyas Khan, 63, became one of Britain’s richest men after his quantum‑computing firm, Cambridge Quantum Computing, went public on the US stock market. The company, rebranded as Quantinuum after a 2021 merger with Honeywell’s quantum business, was valued at $14.3 billion (£10.75 billion) when it listed on Nasdaq on Friday. Khan’s 15 % stake is now worth about £1.6 billion.

Quantinuum’s $14 .3 billion Nasdaq debut turns Khan into a billionaire

According to the source, Quantinuum’s listing on Nasdaq gave Khan a net worth that catapulted him into the UK’s billionaire ranks. The valuation of $14.3 billion was announced on the day of the IPO, and Khan’s 15 % holding is now worth roughly £1.6 billin. This is the first time a UK‑based quantum‑computing company has reached such a valuation on a US exchange.

From Lancashire bus‑driver’s son to quantum‑tech mogul

The report notes that Khan was raised in Lancashire, where his father worked as a bus driver. He excelled academically, studied at London’s School of Oriental and African Studies, and began his career at Schroders before moving to Citi and UBS. in Hong Kong he co‑founded Techpacific.com, sold it for $700 million , and later returned to the UK in 2009 to focus on quantum computing.

Backing Accrington Stanley FC and the Stephen Hawking Foundation

According to the source,Khan invested hundreds of thousands of pounds to rescue Accrington Stanley FC from bankruptcy, even naming a stand after his late mother. He also served as chair of the Stephen Hawking Foundation and co‑founded Accelerate Cambridge, which funds university scientific start‑ups. These philanthropic moves have made him a local hero in Accrington.

Key unanswered questions about Khan’s rapid rise

While the source highlights Khan’s impressive trajectory, it leaves open several specifics: How much of the $14.3 billion valuation came from Honeywell’s quantum assets versus Khan’s own investment? What percentage of the company’s shares remain held by other early investors? And how will Khan’s newfound wealth influence his future philanthropic priorities?

According to the report, Khan’s biggest shareholding remains with him, but details on the distribution of the remaining shares are not disclosed.