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QLYS · Technology

Qualys Inc

USA Technology Filing: 2026-03-31
28/100
Smart-money confidence1 of 3 sources positive
Weak — few signals

No standout activity across the feeds we track.

Hedge funds
38
Congress
No data
Insiders
No data
Cross-source blend of hedge-fund breadth, Congress trades, and insider Form 4s.  ·  how the score works
Market cap
$6.6B
Industry
Software - Infrastructure
Sector
Technology
Exchange
NasdaqGS
About QUALYS INC

Qualys, Inc. provides cloud-based platform delivering information technology (IT), security, and compliance solutions in the United States and internationally. The company provides Qualys Cloud Apps, which include cybersecurity asset management; enterprise TruRisk management; vulnerability management, detection, and response; total application security; patch management; custom assessment and remediation; multi-vector endpoint detection and response; policy audit; and file integrity monitoring. It offers TotalCloud, a cloud-native application protection platform, which include cloud workload…

Who's behind the signal
Every informed buyer we can see on QLYS, across all three feeds.
Hedge funds · 7
AQR Capital Management Increased +64%
D.E. Shaw & Co Increased +95%
Citadel Advisors Increased +371%
+1 more in the full breakdown below ↓
Congress · 0
No congressional trades on record.
Insiders
No significant Form 4 insider activity in the window.
Not a model pick — but on our radar. QUALYS INC isn't in the top-10 model right now, but 7 tracked investors hold it. Everything below is real signal from public filings — treat this as a watch candidate, not a conviction call.
7
Investors
0
New positions
5
Increasing
2
Decreasing
0
Unchanged
Price History
Loading price data...
Return: High: Low:
Who's Holding This Stock
Position sizes and recent activity from tracked institutional investors
Trust weight: 1.2×
Increased +15%
% of portfolio
0.1%
Position change
+15%
0.1% of Tudor Investment's portfolio
Trust weight: 1.0×
Increased +64%
% of portfolio
0.0%
Position change
+64%
0.0% of AQR Capital Management's portfolio
Trust weight: 1.1×
Increased +42%
% of portfolio
0.0%
Position change
+42%
0.0% of Gotham Asset Mgmt's portfolio
Trust weight: 1.0×
Increased +95%
% of portfolio
0.0%
Position change
+95%
0.0% of D.E. Shaw & Co's portfolio
Trust weight: 1.0×
Increased +371%
% of portfolio
0.0%
Position change
+371%
0.0% of Citadel Advisors's portfolio
Trust weight: 1.0×
Decreased −4%
% of portfolio
0.0%
Position change
−4%
0.0% of Millennium Management's portfolio
Trust weight: 1.3×
Decreased −57%
% of portfolio
0.0%
Position change
−57%
0.0% of Bridgewater Associates's portfolio
Portfolio Allocation
How much of each investor's portfolio is allocated to QUALYS INC
⚠ Disclaimer: This page is for informational purposes only. Holdings data from SEC EDGAR 13F filings, delayed up to 135 days. Not a recommendation to buy or sell QUALYS INC or any security.

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