BitMine officially holds 4,066,062 ETH, which puts the treasury value at around $12 billion at current prices.
Ark Invest bought $10.56 million worth of shares in BitMine, $5.9 million worth of Coinbase shares, and $8.85 million worth of Bullish.
The world's largest Ethereum treasury company currently holds nearly 4 million ETH in its treasury, worth around $11.6 billion.
BitMine Chair Tom Lee said Ethereum could possibly trade between $7,000 and $9,000 by the end of January 2026.
BitMine's Monday disclosure revealed that its treasury holdings have surpassed 3.3 million ETH, worth over $13 billion.
Bitmine is currently the largest corporate ETH holder and the second largest crypto treasury firm, only behind Strategy.
BitMine says its ETH holdings have reached 2.83 million and $13.4 billion in crypto+cash, as corporate holders continue buying in "Uptober."
BitMine's Lee said he saw the possibility that Ethereum was entering a "super cycle" that would last 10 to 15 years.
BitMine Immersion grew its ether holdings to 1.71 million ETH, with a balance sheet of over $8.82 billion as companies capture over 2% of Ethereum's supply.