American silver mining company Sunshine Silver (SSMR.US) plans to raise $300 million through an IPO, with the goal of restarting production capacity by 2028.

Headquartered in Idaho, Sunshine Silver Mining & Refining, a mining company in the development phase with mining projects, announced its IPO terms on Tuesday. The company plans to issue 20 million shares at a price range of $13.50 to $16.50, raising $300 million. Based on the midpoint of the proposed price range, Sunshine Silver Mining & Refining's fully diluted market value will reach $2.3 billion. Sunshine Silver Mining & Refining owns and is developing the Sunshine silver mine and related refining facilities located in Kellogg. The silver mine has a production history, and associated minerals include antimony, copper, and lead. The company is focused on maintaining the mine and modernizing it in preparation for the planned restart of mining, beneficiation, and refining operations. The mine is currently in a maintenance state, with the goal of resuming operation by 2028. Founded in 2010, Sunshine Silver Mining & Refining plans to list on the New York Stock Exchange under the ticker symbol "SSMR". Morgan Stanley, CIBC Capital Markets, BMO Capital Markets, Canaccord Genuity, Citigroup, and RBC Capital Markets are the joint book-runners for this offering. The IPO is expected to be priced during the week of June 1, 2026.