Four Lessons On Building a $1.75 Trillion Company

On May 20, 2026, SpaceX filed its S-1 with the Securities and Exchange Commission, the formal opening move toward what is projected to become the largest IPO in history, targeting a valuation of up to $1.75 trillion. 

Most headlines focused on the rockets, the Mars obsession and Elon Musk’s ironclad voting control. But if you’re a founder (which many WPO members are), an executive scaling a team or anyone building something intended to last, this 270-page document is a startup strategy masterclass hiding in plain sight.

Here's what SpaceX can teach you.