Gemini Co-founders Tyler Winklevoss and Cameron Winklevoss attend the company's IPO at the Nasdaq MarketSite in New York City, U.S., Sept. 12, 2025.
Shares of Gemini Space Station soared as much as 40% on Friday after the exchange operator raised $425 million in an initial public offering.
The stock opened at $37.01 on the Nasdaq after its IPO priced at $28. At one point, shares traded as high as $45.89. The stock was trading up about 21% at 2:50 p.m. ET.
The New York-based company priced its IPO late Thursday above this week's expected range of $24 to $26, and an initial range of between $17 and $19. That valued the company at some $3.3 billion before trading began.
Gemini, which primarily operates as a cryptocurrency exchange, was founded by the Winklevoss brothers in 2014 and held more than $21 billion of assets on its platform as of the end of July. Per its registration with the Securities and Exchange Commission, Gemini posted a net loss of $159 million in 2024, and in the first half of this year, it lost $283 million.
The company also offers a U.S. dollar-backed stablecoin, credit cards with a crypto-back rewards program and a custody service for institutions.