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CORRECTED-FACTBOX-The world's biggest privately held companies (October 3)

ReutersOct 9, 2025 8:04 AM

- ChatGPT-parent OpenAI reportedly reached a valuation of $500 billion earlier this week, cementing its place as the most valuable privately held company in the world, according to Crunchbase data.

Another company potentially close to that valuation is crypto giant Tether. Bloomberg News reported last month that Tether was in talks to raise as much as $20 billion, which could value the firm at about $500 billion.

With investor enthusiasm for AI reshaping valuations across financial markets, here is a look at some of the biggest private companies worldwide:

Company

Valuation

Notable investors

Company HQ

Industry

OpenAI

$500 bln

SoftBank

United States

Software

SpaceX

$400 bln

Andreessen Horowitz

United States

Aerospace

ByteDance

$220 bln

Sequoia Capital

China

Software

Anthropic

$183 bln

ICONIQ Capital

United States

Software

Ant Group

$150 bln

Alibaba

China

Software

Reliance Retail

$100 bln

Abu Dhabi Investment Authority

India

Retail

Databricks

$100 bln

Andreessen Horowitz

United States

Software

Shein

$66 bln

Sequoia Capital

China

Clothing

Stripe

$65 bln

Baillie Gifford

United States/Ireland

Software

Reliance Jio

$58 bln

Meta, Google

India

Telecoms

xAI

$50 bln

Elon Musk

United States

Software

Revolut

$45 bln

Tiger Global

United Kingdom

Software

Waymo

$45 bln

Alphabet

United States

Transportation

Canva

$42 bln

Fidelity Management

Australia

Software

Checkout.com

$40 bln

Altimeter

United Kingdom

Software

Data is based on valuations set by investors during priced funding rounds for companies, according to data firm Crunchbase, as of October 3.

Disclaimer: The information provided on this website is for educational and informational purposes only and should not be considered financial or investment advice.
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