Key Takeaways

• Tether has $4.8B across 13 U.S.-listed firms, with 76% in Twenty One, Rumble, and Adecoagro.

• Gold, mining, agriculture, and satellites show Tether is expanding far beyond USDT.

• Portfolio performance will test whether stablecoin profits can support a broader investment empire.

Tether Bets on Gold, Bitcoin and Artificial Intelligence

Tether is no longer merely the company behind the world’s largest dollar stablecoin. The crypto firm has about $4.8 billion of exposure to 13 U.S.-listed companies, based on the latest disclosed share counts and Nov. 9 closing prices analyzed by Protos. Three companies dominate the portfolio: bitcoin treasury firm Twenty One Capital, video platform Rumble and agricultural group Adecoagro. Together, the stakes are worth roughly $3.66 billion, about 76% of the tracked total. The figures represent current market value, not necessarily Tether’s original investment cost.

加载图片中Tether Builds $4.8B US Stock Portfolio Across 13 Companies

Source: Protos

Twenty One and Rumble Anchor the Portfolio

Tether’s largest position is Twenty One Capital, valued at about $1.37 billion. Tether and Bitfinex became majority owners by contributing bitcoin to launch the company, while Tether received the right to nominate four of its seven directors. Yet Twenty One’s stock trades at only around 57% of the value of its 43,514 BTC, illustrating the discount investors have applied to some crypto treasury companies. Tether’s Rumble stake is worth about $1.33 billion. Including warrants, it has a 50.3% economic interest, although its voting control remains below 9.9%. The relationship extends beyond ownership. Tether committed to buying $50 million of Rumble advertising annually for two years. Rumble recognized $5.54 million from that agreement in the second quarter, equal to 14% of quarterly revenue.

Gold Becomes a Major Strategic Theme

Tether has also assembled a network of precious-metals investments. Its holdings include Elemental Royalty, Gold.com, Versamet Royalties, Metalla Royalty & Streaming and Gold Royalty. It also owns stakes in Aurelion and Antalpha, companies linked to Tether Gold. Gold.com disclosed $1.2 billion in fiscal 2026 revenue from business with Tether, while Tether accounted for more than 25% of its revenue in a recent quarter. The companies trade precious metals with each other, and Gold.com provides Tether with storage and logistics services.

Tether Is Becoming an Industrial Holding Company

The portfolio reaches into bitcoin mining through Bitdeer, agriculture and energy through Adecoagro, and satellite imaging through Satellogic. Performance has been uneven. Twenty One has fallen roughly 53% since its listing, while Antalpha has dropped about 90% since its market debut. By contrast, Metalla and several gold-royalty investments have appreciated substantially over the periods tracked by Protos. Tether executives also hold influential positions across parts of the network. Juan Sartori, its head of special projects, has served in leadership or board roles at Adecoagro, Elemental Royalty and Gold.com. The result is a company increasingly resembling a diversified investment and industrial group. USDT remains its central product, but Tether is using the profits and influence generated by its stablecoin business to build a far broader financial empire.