BitMine Immersion Technologies (NYSE: BMNR), the Ethereum treasury company chaired by Tom Lee, disclosed Monday that it acquired 27,562 ETH over the prior week, lifting its holdings to 5,983,940 tokens — about 4.9% of the total supply — and pushing its crypto and cash reserves past $17 billion, according to a company release . The disclosure cements BitMine’s standing as the largest public holder of ether.
Treasury Nears the 5% Milestone
As of September 20, BitMine held 5,983,940 ETH priced at $2,688 per token, alongside 212 Bitcoin, $714 million in cash and marketable securities, a $180 million stake in Beast Industries and a $105 million stake in Eightco Holdings (NASDAQ: ORBS). The company put its combined crypto, cash and equity holdings at $17.1 billion and said the ETH position alone equals 4.9% of a 122.1 million-token supply. It labels the Beast Industries and Eightco positions as “moonshots” alongside its staking and cash businesses.
“Over the past week, we acquired 27,562 ETH,” Lee said in the release. “BitMine has bought ETH each and every week since the inception of its ETH Treasury Strategy on June 30, 2025.”
Staking Turns the Treasury Into Income
The bulk of the position now earns yield. BitMine said 5,067,309 ETH — worth $13.6 billion, or 85% of its holdings — is staked, generating a 7-day yield of 2.62% annualized. “Bitmine has staked more ETH than other entities in the world,” Lee said, adding that annualized staking revenue is now projected at roughly $357 million, rising to $421 million once the stack is fully deployed through its MAVAN staking platform. The update follows last week’s disclosure, when BitMine’s holdings crossed 5.96 million ETH .
Largest Ether Treasury Extends Its Weekly Streak
The latest purchase keeps intact an unbroken weekly buying streak that began with the strategy’s launch in mid-2025. The Norwalk, Connecticut-based company funds the program through its bitcoin mining operations and the proceeds of capital raises, and it has stepped up buying as institutional interest in ether grows. With 4.9% of the supply already in hand, it is closing in on the 5% share it has flagged as a milestone — a goal its materials call the “alchemy of 5%”.
