Currently ranked seventh, Bit Digital (which holds over 120,000 ETH) is also planning to raise $1 billion to purchase more ETH. They are increasing their equity financing instead of debt financing (authorizing the increase of common stock from 340 million shares to 1 billion shares). The proposal has been approved by the board and will be voted on at the shareholders' meeting in September. The actual amount raised will depend on market conditions and shareholder approval.