Their biggest backers include an unlikely group of insurance companies, mutual funds and other usually conservative bond investors.The software company turned itself into a bitcoin whale and now owns some $48 billion of the cryptocurrency.

MicroStrategy Inc. bought $1.1 billion of Bitcoin, as the company gears up for a shareholder vote on a 30 times increase its authorized Class A shares.

The shareholders behind MicroStrategy have voted to dramatically increase the number of shares in a bid to raise funds for additional Bitcoin (BTC).

MicroStrategy—which almost exclusively focuses on securitizing Bitcoin—last year announced a “21/21 Plan” to raise $46 billion to buy even more Bitcoin. The plan would see the firm raise $21 billion via equity, with another $21 billion coming by selling fixed income securities.

MicroStrategy Inc. shareholders voted for a 30 times increase to the number of authorized Class A common shares to help finance the company’s Bitcoin buying.

MicroStrategy shareholders approves major increase in the company’s authorized shares, expanding from 330M to 10.3B for BTC acquisitions.

If bitcoin goes to the moon, a niche group of convertible-bond investors will win out. If the crypto tanks, they can ask for their money back early.