Sunshine Silver Mining & Refining (NYSE: SSMR) raised $270 million in its initial public offering. The company issued 20 million shares to investors. Each share was priced at $13.50. Trading began on the New York Stock Exchange on June 4, 2026. This listing follows a broader resurgence in the U.S. IPO market.
Billionaire Thomas Kaplan chairs the company. Proceeds will fund the restart of the historic Sunshine Mine in Idaho. The site was historically one of America’s most productive silver mines but has been dormant for decades.
The company has invested more than $200 million into the facility since 2010. Management targets a return to production by late 2028.