All 2 deals between SpaceX and xAI: $252B in total since Jul 12, 2025, with dates, status and sources. Updated Nov 9, 2026.
All-stock merger: SpaceX valued at about $1 trillion and xAI (which owns X) at $250 billion. It is the largest merger ever.
According to the WSJ, SpaceX puts $2 billion into xAI's $5 billion equity round, which values it at $113 billion after the merger with X.