The Japanese tech investor has been reducing its ties to the Chinese e-commerce company and using holdings to raise cash.
The Japanese technology investor suffered losses after holdings such as Uber and DoorDash lost value.
CEO Masayoshi Son pledged to curb his aggressive investment bets yet plunged into startups last year at the market top. He will have to engineer his next comeback without key lieutenants.
Misra, who runs SoftBank’s giant venture-investing arm, plans to run a new outside investment outfit, according to a company memo.