This story has been updated Qualys's closing price.
NEW YORK (
) -- Security specialist
became the latest tech company to take the public plunge on Friday when it started trading on the
under the ticker symbol QLYS.
The Redwood City, Calif.-based company's offering of 7,575,000 shares was priced at $12 a share late on Thursday, at the midpoint of its range of $11 to $13.
Qualys shares opened at $12.18 and rose 7.91% to $12.95 by early afternoon trading. The company's stock closed up 18% at $14.16.
The cloud security and compliance specialist, which competes with
Check Point Software
, has racked up more than 5,800 customers worldwide, touting most of the Forbes Global 100 and Fortune 100 as customers. Qualys also counts
According to its S-1 filing with the
Securities and Exchange Commission
, Qualys brought in revenue of $76.2 million in 2011, up from $65.4 million in 2010 and $57.4 million in 2009. For the first six months of 2012, the company's revenue was $43.4 million.
Another security specialist,
Palo Alto Networks
, enjoyed a
in July. The company's shares have risen more than 15% since its offering.
--Written by James Rogers in New York.
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