SoftBank, Ark in Talks to Invest in Tether’s Major Funding Round

SoftBank Group Corp. and Ark Investment Management LLC are among potential investors in a major funding round that could cement Tether Holdings SA’s status as one of the world’s largest private companies.

The two investors, both longstanding technology financiers, are among several high-profile names who are in early talks to provide funds to the world’s biggest stablecoin issuer in its largest search yet for external capital, according to people familiar with the matter.

The fundraising could value Tether as high as $500 billion, Bloomberg News reported earlier this week, a prospect that could rank it among the most valuable ...