Since the beginning of 2010, 37 technology companies have gone public, with total proceeds of $5.1 billion, according to Renaissance Capital, an IPO research firm. That's a big uptick from the same period last year, which saw 17 IPOs priced.

"There's a lot of rhetoric and stories about the absence of the IPO, but activity from the tech sector has still been active," said Paul Bard, vice president at Renaissance Capital.

Newly-public tech firms have also delivered more solid returns than any other industry (with the exception of consumer and business services), posting an average first-day return of 14.0% and an average total return of 34.0% from their initial pricing

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