QLYS
QUALYS, INC.
NASDAQ · Technology · Software - Infrastructure · US
$174.96
−1.75%Price chart
Aug 19Aug 24Aug 27Sep 1Sep 4Sep 10Sep 15Sep 18
Key dataSep 18, 2026
Open$178.44
From 52W high−10.68%
Volume1.53M
Market cap$6.05B
P/E (TTM)30.2x
P/S (TTM)8.6x
Div yield—
Key dataSep 18, 2026
Open
$178.44
From 52W high
−10.68%
Volume
1.53M
Market cap
$6.05B
ValuationView details →
P/E (Fwd)
21.7x
EV/EBITDA
20.9x
P/E (TTM)
30.2x
RSI (14)
50.8
MomentumView details →
1D Return
−1.75%
YTD Return
+31.23%
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.28d agoAurora Investment Counsel acquired a new position in Qualys, Inc. during the second quarter, purchasing 18,653 shares valued at approximately $2,565,000.31d ago