It may be owned by Japans Softbank group but its headquarters is in Cambridge and the London Stock Exchange had hoped it would launch there.
@jojoe is entirely correct to highlight the fact that yet again Brexit cost the UK dear.
Hermann Hauser co founder of the chip designer didn’t mince his words
“The fact is that New York of course is a much deeper market than London, partially because of the Brexit idiocy the image of London has suffered a lot in the international community.”
ARM was the jewel in the crown of British chip design but even a attempt by the UK prime minister wasn’t enough to convince the company to register with London.