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SpaceX Launches Historic IPO, Billion-Dollar Deals Hit Market

June 5, 2026

2 min read

Key Takeaways

SpaceX sets terms for a historic $75 billion IPO.
INNIO Holding raises $2.4 billion in upsized IPO.
Quantinuum raises $1.7 billion in upsized IPO.
Four IPOs and four SPACs submitted filings.

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Strategic Implications

This wave of IPOs may indicate a surge in investor confidence in emerging technologies, including quantum computing and aerospace. The involvement of major players like SpaceX suggests a significant shift in the industry's landscape, which could have far-reaching implications for the future of space exploration and defense.

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What Happened

Quantum Computing And Aerospace IPOs Drive Market Activity

The US IPO market saw significant activity this week, with SpaceX setting terms for a historic $75 billion IPO and two billion-dollar deals from INNIO Holding and Quantinuum. INNIO Holding, a natural gas engines producer, raised $2.4 billion, while quantum computer developer Quantinuum raised $1.7 billion. Four IPOs and four SPACs submitted filings, including Vedanta copper mining spin-off CopperTech Metals and Malaysian AV equipment provider MSAV Holdings. The Renaissance IPO Indices are market cap weighted baskets of newly public companies, and as of June 4, 2026, the Renaissance IPO Index was up 24.6% year-to-date, according to Renaissance Capital.

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Companies Mentioned