Firefly Aerospace will begin trading on the Nasdaq on Thursday after raising $868.3 million in the largest U.S. listing this year by a space tech company. Firefly — which became the second private enterprise to achieve a lunar landing five months ago — priced the IPO at $45 per share,

Another space stock is going public. But this isn't just any old space stock -- this one already landed on the moon.

The Cedar Park, Texas-based space company sold more than 19 million shares in its initial public offering at $45 apiece, raising $868 million.