Firefly Aerospace priced shares in its IPO at $45 on Wednesday, above its expected range.

The Texas-based rocket maker will debut on the Nasdaq Thursday under the ticker symbol “FLY.” The offering raised $868 million and values the company at about $6.3 billion.

Firefly filed its initial prospectus in July and upped its IPO range this week to $41 to $43 a share, from an initial range of $35 to $39.

The space technology sector has seen rising investor interest over the last few years as billionaire investors such as Elon Musk and Jeff Bezos put their money behind SpaceX and Blue Origin, respectively.

So far this year, space technology companies Voyager Technology