This revelation was disclosed on Tuesday amid SoftBank's Q3 2023 earnings call (SoftBank owns Arm).
"In the space of cloud, initially, the share was zero percent. But we're working with Amazon, Google and Microsoft, those big cloud players, which have adopted Arm's chip technology. So accordingly, Arm has grown market share from 0 percent to 5 percent," said SoftBank CFO Yoshimitsu Goto.