The largest privately-owned companies in the world
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Oct 03 2025
0mins
Should l Buy ?
Source: Reuters
OpenAI Valuation: OpenAI has reached a valuation of $500 billion, making it the most valuable privately held company globally, according to Crunchbase data.
Tether's Potential Valuation: Crypto company Tether is reportedly in discussions to raise up to $20 billion, which could also position it at a valuation of around $500 billion.
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About the author

Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.





