The company sold 10.8 million shares at $19 a piece in its IPO, raising $205.2 million, while shareholders sold another 1.5 million shares.
The $19 IPO price was above the previously announced estimated range of $16 - $18 per share.
Fusion-io makes flash memory products that use less space and energy, making data centers more efficient.
Fusion-io Inc (NYSE:FIO) initiated trading on the New York Stock Exchange today, rising 30% above the company's IPO price of $19 per share.
