Tether discloses 8.2% Antalpha stake in SEC filing as shares

Tether disclosed an 8.2% equity stake in Bitcoin mining finance platform Antalpha in a Schedule 13D filed with the US SEC. Antalpha shares gained about 7.2% to around $9.97 in early trading on 2026-04-20, putting the position on traders’ radar as a public proxy for mining-credit exposure.

Key Takeaways

A US SEC Schedule 13D disclosed Tether holds an 8.2% stake in Antalpha.
The position totals 1.95 million Antalpha shares held through related entities, with Giancarlo Devasini sharing voting and dispositive power.
Antalpha focuses on Bitcoin-backed lending and equipment financing for miners and is described as closely tied to the Bitmain ecosystem.
Antalpha stock rose about 7.2% to around $9.97 in early trading on 2026-04-20, per Google Finance data.

Tether’s 13D Puts It on the Cap Table at Antalpha

A Schedule 13D filed with the US Securities and Exchange Commission shows Tether has taken an 8.2% stake in Antalpha, a public company positioned in Bitcoin mining finance. The filing discloses ownership of 1.95 million shares held through related entities.

Control language matters here. The 13D states Tether chairman Giancarlo Devasini shares voting and dispositive power over the position, which frames the stake as more than passive exposure.

The filing also leaves the door open to change. It states Tether and related entities may increase or reduce their holdings over time depending on market conditions and other factors, turning future ownership updates into potential incremental catalysts rather than a one-and-done headline.

Why Antalpha Matters: Bitcoin-Backed Mining Credit and Bitmain Ties

Antalpha sits in the mining stack where liquidity constraints typically bite first: credit. The company provides Bitcoin-backed lending, where BTC is posted as collateral to access cash or credit without selling, and equipment financing, a structure used to fund hardware purchases where the rigs and or cash flows often secure repayment.

That business model is a different bet than buying mining equity outright. It targets the “plumbing” around hash rate expansion and balance-sheet management, which can stay active even when miners are not aggressively adding capacity.

Antalpha is also described as closely tied to the Bitmain ecosystem. For traders, that linkage matters because Bitmain is a major supplier of mining hardware, and ecosystem adjacency can influence deal flow, distribution, and financing demand across the ASIC supply chain.

Antalpha by the Numbers: Loan Book, Revenue Growth, and IPO Context

Antalpha reported a loan portfolio of about $1.6 billion as of the end of 2024, giving the stake a fundamental backdrop beyond narrative. The company also reported 2025 revenue of $79.7 million, up 68% year over year, and net income of $18.5 million, more than tripling from the prior year.

The IPO context adds another layer. Antalpha raised about $49.3 million in its May 2025 IPO at $12.80 per share, according to its prospectus, and Tether had previously indicated interest in purchasing as much as $25 million worth of shares.

Price action reacted immediately once the stake became explicit. Antalpha shares rose about 7.2% to around $9.97 in early trading on 2026-04-20, per Google Finance, effectively turning the 13D into a tradable narrative around mining-credit exposure and strategic capital.

Catalysts Traders Can Track After the Stake Disclosure

The cleanest near-term catalyst is mechanical: amended Schedule 13D or 13G filings that show Tether increasing or reducing its 1.95 million-share position. The filing’s explicit flexibility makes ownership changes a live variable.

Second is whether the initial pop sticks. Follow-through in Antalpha’s share price and volume after the roughly 7.2% early move will signal whether this was a one-day headline trade or the start of a more durable positioning theme.

Fundamentals can reprice the story too. Updates to Antalpha’s mining-finance metrics, particularly loan portfolio size and performance after the end-2024 $1.6 billion figure, will determine whether the equity can support a “credit platform” multiple rather than trading like a cyclical mining derivative.

Finally, Tether’s broader deployment cadence is part of the tape. On the same Monday as the Antalpha disclosure, real-world asset tokenization protocol Kaio said Tether participated in an $8 million funding round, calling it: “The participation of Tether reflects direct strategic alignment,” and adding, “USDT has become the dominant settlement layer for cross-border capital flows. KAIO provides the next layer: structured, compliant access to institutional-grade yield for USDT holders.”

Reading Tether’s Stake as a Bet on Mining Credit Plumbing

I treat this as a market-structure story more than a branding one. A disclosed 8.2% stake makes Antalpha a cleaner public proxy for Bitcoin-backed mining credit, and the immediate ~7% move suggests the market is willing to price that optionality quickly.

The threshold that matters is whether Tether’s ownership becomes dynamic. If amended filings show the position being built further, the setup starts to look structural rather than narrative-driven, and it would matter in practical terms by pulling more liquidity and attention into Antalpha as the listed expression of “Tether deploying profits into infrastructure.”

Tether discloses 8.2% Antalpha stake in SEC filing as shares jump