York Space Systems (YSS) upsized its IPO to 18.5 million shares – up from 16 million – and priced the deal at $34.00 – the top of its range – to raise $629 million on Wednesday night, Jan. 28, 2026. The suburban Denver company is a satellite manufacturer and a U.S. Department of Defense prime contractor, the prospectus said. At pricing, York Space Systems had a market cap of $4.34 billion.
York Space Systems (YSS) is set to start trading tomorrow – Thursday, Jan. 29, 2026 – on the New York Stock Exchange.
Goldman Sachs, Jefferies and Wells Fargo led the joint book-runners’ team, which included J.P. Morgan and Citigroup. Truist, Baird and Raymond James also served as book-runners.
York Space System hopes to become a contractor on the Golden Dome project.
The company is not profitable. For the 12 months that ended Sept. 30, 2025, York Space Systems reported a net loss of $81.31 million on revenue of $357.46 million, according to financial statements in the prospectus.
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