Tether invests $4.8 billion in shares of 13 companies
Tether, the issuer of the world's largest stablecoin USDT, holds stakes in 13 publicly traded U.S. companies worth approximately $4.8 billion. According to an analysis by Protos, the investments span Bitcoin mining, gold production, media and other sectors.
Protos journalists examined filings submitted by the companies to the U.S. Securities and Exchange Commission (SEC). The calculations are based on disclosed shareholdings and their market value as of November 9, 2026.
Tether's largest investments are concentrated in three companies: Twenty One Capital, Rumble and Adecoagro. The combined value of these stakes is approximately $3.66 billion, accounting for 76% of the identified portfolio.
Which companies are in Tether's investment portfolio?
Twenty One Capital, a company focused on accumulating Bitcoin, represents most valuable holding. Tether's stake is valued at $1.37 billion, although the company's shares have lost approximately 53% of their value since its stock market debut in December 2025.
Video platform Rumble ranks second, with Tether's stake valued at $1.33 billion. The stablecoin issuer owns 50.3% of the company, including warrants, but limits its voting rights to less than 9.9%.
Agricultural company Adecoagro ranks third, with Tether's stake valued at $966 million. The company previously partnered with Tether on a pilot Bitcoin mining project using 10 MW of surplus electricity.
Other major investments include:
- Elemental Royalty—$342.4 million;
- Bitdeer—$249.4 million;
- Gold.com—$148.4 million;
- Versamet Royalties—$128.7 million;
- Metalla Royalty & Streaming—$115.5 million.
Tether expands investments beyond cryptocurrencies
The Protos analysis shows that the USDT issuer is gradually becoming a major investor across various sectors of the economy. Beyond financial investments, Tether also participates in the management of certain companies through representatives on their boards of directors.
For example, Tether's head of special projects, Juan Sartori, holds executive positions at several companies linked to the issuer's investments. This structure allows Tether to expand its presence in traditional businesses alongside the development of cryptocurrency products.
In October, Tether also led a $15 million funding round for U.S. fintech startup Mural. The company is developing infrastructure that enables AI agents to execute payments autonomously on behalf of users and organizations.
The funding is intended to support the development of automated settlements. The investment reflects Tether's interest in using digital assets in new payment systems that extend beyond traditional stablecoin transfers.
Earlier, we reported that Tether introduced an artificial intelligence model with 0.8 billion parameters for local digital assistants. The model is designed to perform tasks directly on users' devices without requiring constant access to cloud infrastructure.
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