Either MicroStrategy’s Michael Saylor is a visionary, or he’s a delusional egomaniac,” Forbes observed in 1998, during the company’s first incarnation as a Wall Street highflyer.

In a little less than three months, MicroStrategy has spent nearly half of its three-year, $42 billion capital plan to buy bitcoin.

MicroStrategy stock could surge more than 50% with the company’s Bitcoin strategy, according to Mizuho Securities analysts. Mizuho analysts led by Dan Dolev initiated coverage of MicroStrategy stock with an Outperform rating and $515 price target.