Hadrian's latest factory, its fourth, opened in March following a $2.4 billion contract with the US Navy.

Defense manufacturing startup Hadrian has been in talks to raise up to $1 billion in a new funding round at a potential valuation of $7.5 billion.

Venture capital firms Sequoia Capital and Andreessen Horowitz stand to make tens of billions of dollars from the SpaceX IPO despite being relatively late-stage investors.