U.S. insurer Orion180 Insurance Group (OIG.US) unveiled the terms for its initial public offering on Wednesday, laying out a strategy to secure approximately $320 million in fresh capital.

The Florida-based company, headquartered in Melbourne, plans to offer 20 million shares at a price range of $15 to $17 each. At the midpoint of that suggested range, the fully diluted market valuation for Orion180 Insurance Group would reach roughly $1.6 billion.

Orion180 Insurance Group positions itself as the second-largest excess and surplus (E&S) home insurance provider in the United States based on direct written premiums. Its operational footprint spans 14 states, with managed premiums of around $601 million recorded for the twelve months ending June 30, 2026. Since its inception, the firm has successfully issued over 670,000 policies.

As of June 30, 2026, the company's diversified portfolio includes E&S and admitted home insurance, private flood coverage, and a suite of supplementary products. These offerings are distributed through a network of more than 14,000 active independent agents. In 2025, traditional non-admitted products accounted for 51% of its managed premiums, with a strategic emphasis on coastal and catastrophe-exposed properties in high-risk zones.

Founded in 2015, Orion180 Insurance Group reported revenue of $145 million for the twelve months ended June 30, 2026. The company intends to list on the Nasdaq under the ticker symbol "OIG." Joint bookrunners for the transaction include RBC Capital Markets, UBS Investment Bank, Raymond James, Goldman Sachs, Deutsche Bank, Citizens JMP, and Texas Capital Securities. Pricing is anticipated during the week of September 14, 2026.