QLYS
QUALYS, INC.
NASDAQ · Technology · Software - Infrastructure · US
$171.87
−0.60%Price chart
Aug 14Aug 19Aug 24Aug 27Sep 1Sep 4Sep 10Sep 15
Key dataSep 15, 2026
Open$170.11
From 52W high−12.26%
Volume9182.00
Market cap$5.95B
P/E (TTM)29.6x
P/S (TTM)8.4x
Div yield—
Key dataSep 15, 2026
Open
$170.11
From 52W high
−12.26%
Volume
9182.00
Market cap
$5.95B
ValuationView details →
P/E (Fwd)
21.4x
EV/EBITDA
20.6x
P/E (TTM)
29.6x
RSI (14)
51.2
MomentumView details →
1D Return
−0.60%
YTD Return
+30.10%
SummaryUpdated Jun 1, 2026
Qualys, Inc. (NASDAQ:QLYS) is a cloud-based cybersecurity company founded in 1999 and headquartered in Foster City, California. The company went public in September 2012 and has established itself as a leading provider of vulnerability management and IT security solutions. Qualys operates a unified cloud platform that delivers integrated IT security, compliance, and digital risk management solutions to enterprises, government entities, and small-to-medium businesses across various industries including financial services, healthcare, government, and technology sectors.
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Deutsche Bank AG acquired a new stake in Qualys, Inc. during the second quarter, purchasing 92,118 shares valued at approximately $12.7 million, representing about 0.27% of the company.23d agoAurora Investment Counsel acquired a new position in Qualys, Inc. during the second quarter, purchasing 18,653 shares valued at approximately $2,565,000.26d ago