Mark Cuban put $500K into a stranger’s rocket company over email. It’s now a SpaceX competitor worth $4 billion
- Posted on June 2, 2026
- By Fortune
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- 1 min read
Mark Cuban put $500K into a stranger’s rocket company over email. It’s now a SpaceX competitor worth $4 billion
The billionaire entrepreneur has a pattern of investing in things and people he hasn’t seen before.