By Iain Gilbert
Date: Thursday 02 Apr 2026
(Sharecast News) - Elon Musk's SpaceX has confidentially filed for a US initial public offering, according to Reuters, paving the way for what could become the largest stock market listing on record.
A potential valuation north of $1.75trn would mark a shift in space exploration from a speculative pursuit to a mainstream investment, underpinned by SpaceX's reusable rocket technology and its rapidly expanding Starlink satellite network.
The move follows SpaceX's merger with Musk's artificial intelligence venture xAI, a deal that valued the rocket group at $1trn and the Grok‑developer at $250bn.
The rumoured blockbuster debut of the world's most valuable privately held company would eclipse the 2019 flotation of Saudi Aramco. SpaceX was last independently valued at around $800bn in a secondary share sale.
Reporting by Iain Gilbert at Sharecast.com
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