Top Tech IPOs by Valuation

SpaceX's recent public debut set new records, prompting a look back at the biggest initial public offerings in the technology sector and the most valuable private companies before their market entry.

The top 3

  1. SpaceX's Record-Breaking Debut: SpaceX officially became a publicly traded company on June 12, 2026, with its initial public offering valued at approximately $1.8 trillion, quickly surpassing $2 trillion in market capitalization on its first trading day, making it the largest IPO in history.
  2. Previous Largest IPOs by Capital Raised: Before SpaceX, Saudi Aramco held the record for the largest IPO by capital raised, bringing in approximately $29 billion in 2019.
  3. Most Valuable Private Tech Companies Pre-IPO: As of July 2026, leading private tech firms by valuation include Anthropic at $965 billion and OpenAI at $852 billion, both highly anticipated for future public offerings.

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