IPO scorecard: 2013 Silicon Valley winners, losers so far

Cyan executives on NYSE trading floor on IPO day.

Down 17%: Cyan CEO Mark Floyd (second from right) had reason to look concerned on May 8 when the Petaluma software-defined networking company debuted on the New York Stock Exchange. It sold its IPO shares at $11, raising $88 million, and struggled to finish the day up 1 percent. It closed on Monday at $9.16. Cyan raised more than $30 million in venture funding and its backers include Norwest Venture Partners, Tenaya Capital, Focus Ventures, Azure Capital Partners and the TDF Fund.

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Cromwell Schubarth: Senior Technology Reporter- Silicon Valley Business Journal; Email | Twitter | Google+

IPO action is showing signs of heating up with Monday's filings by flash storage startup Violin Memory and cloud telephony company RingCentral.
The year started slow with only four initial public offerings in the first quarter, kicked off by San Francisco money transfer company Xoom in February.
There have been eight more in the six months after that ice-breaker, with Milpitas data traffic management software company Gigamon raising the most money, taking in $128.25 million in June.
Three IPO plans filed this month would top that: Violin Memory hopes to raise up to $172.5 million, Milpitas-based security software company FireEye plans to raise $175 million and Santa Clara textbook rental/student hub company Chegg plans to raise up to $150 million.
Click through the accompanying photo gallery to learn more about the IPO winners and losers from Silicon Valley and the Bay Area so far this year, based on percentage of gain or loss in their stock prices since their IPO pricing.
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