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Factbox-The world's biggest privately held companies

Published by Global Banking & Finance Review

Posted on April 22, 2026

2 min read

· Last updated: April 22, 2026

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April 22 (Reuters) - Elon Musk's rocket and satellite company SpaceX is targeting a valuation of $1.75 trillion when it goes public, which could instantly make it one of the biggest companies in the

The World's Biggest Privately Held Companies and Their Latest Valuations

Overview of Top Private Companies by Valuation

April 22 (Reuters) - Elon Musk's rocket and satellite company SpaceX is targeting a valuation of $1.75 trillion when it goes public, which could instantly make it one of the biggest companies in the world.

SpaceX was last valued at $1 trillion after the company acquired artificial-intelligence startup xAI in February. The transaction valued xAI at $250 billion, Reuters reported.

ChatGPT-parent OpenAI and Anthropic are also reportedly racing to an IPO later this year.

With such blockbuster listings expected this year, here's a look at the biggest private companies in the world based on valuations set by investors during priced funding rounds for companies, according to PitchBook.

Company Valuations and Notable Investors

Summary Table of Leading Private Companies

Company Valuation Notable Company Industry

investors HQ

SpaceX $1.25 trln Andreessen United Aerospace

Horowitz States

OpenAI $852 bln SoftBank United Software

States

Anthropic $380 bln ICONIQ United Software

Capital States

ByteDance $300 bln General China Software

Atlantic

Stripe $159 bln Baillie United Financial

Gifford States Technology

Databricks $134 bln Andreessen United Software

Horowitz States

Waymo $126 bln Alphabet United Transportation

States

Reliance $100 bln Abu Dhabi India Retail

Retail Investment

Authority

Ant Group $78.6 bln Carlyle China Software

Group

Revolut $75 bln Tiger Global United Financial

Kingdom Technology

Scale AI $74.1 bln Tiger Global United Software

States

Shein $66 bln Sequoia China Clothing

Capital

Canva $42 bln Stack Australia Software

Capital

Checkout.c $40 bln Tiger Global United Software

om Kingdom

Key Insights and Market Trends

(Reporting by Shashwat Chauhan and Purvi Agarwal in Bengaluru; Editing by Shinjini Ganguli and Janane Venkatraman)

Key Takeaways

  • SpaceX aims for an IPO valuation of $1.75–$2 trillion, seeking to raise $50–75 billion and potentially becoming one of the largest listings in history. (finance.yahoo.com)
  • OpenAI achieved a landmark $122 billion fundraising round in April 2026 at a post‑money valuation of $852 billion, underscoring its meteoric rise in the AI sector. (sacra.com)
  • These valuations would place SpaceX and OpenAI among the world’s most valuable companies—if publicly traded—alongside tech giants like Nvidia, Alphabet, and Amazon. (lemonde.fr)

References

Frequently Asked Questions

Which is the world's largest privately held company by valuation?
SpaceX is currently the largest privately held company by valuation, targeting $1.75 trillion.
What is the latest valuation of OpenAI?
OpenAI is valued at approximately $852 billion according to recent funding rounds.
Which private tech companies are planning IPOs in 2024?
SpaceX, OpenAI, and Anthropic are reportedly planning IPOs in 2024.
How are private company valuations determined?
Valuations are set by investors during priced funding rounds, as reported by PitchBook.
What is the valuation of ByteDance?
ByteDance, the parent company of TikTok, is valued at $300 billion.

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