Qualys, Inc.

QLYS

Exchange: Nasdaq
Industry: Services-Prepackaged Software
SEC CIK: 0001107843

SEC filings (opens in a new tab)

In the last 90 days, Qualys, Inc. insiders filed 0 open-market purchases and 11 sales; 436 institutions reported holding it in 13F filings for Q2 2026, worth $5.06B in total; no superinvestor holds it.

13F holders, Q3 2026

Institutional positions in Qualys, Inc. as of Sep 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders: 3; −1 vs. Q2 2026
Shares held: 2.42K; −48.5K (−95.3%) vs. Q2 2026
Total value: $452.1K; −$6.54M (−93.5%) vs. Q2 2026
New holders: 0; 1 more added
Sold out: 1; 2 more reduced

432 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting QLYS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders

Value held

Institutions holding QLYS and their total value by quarter
Quarter	Holders	Value
Q2 2026	436	$5.06B
Q1 2026	423	$3.25B
Q4 2025	450	$4.80B
Q3 2025	430	$4.69B
Q2 2025	437	$5.01B
Q1 2025	427	$4.40B
Q4 2024	451	$5.04B
Q3 2024	436	$4.66B
Q2 2024	467	$5.26B
Q1 2024	453	$6.16B
Q4 2023	464	$7.19B
Q3 2023	409	$5.47B
Q2 2023	386	$4.58B
Q1 2023	391	$4.63B
Q4 2022	392	$3.96B
Q3 2022	395	$4.92B
Q2 2022	365	$4.41B
Q1 2022	361	$4.93B
Q4 2021	360	$4.85B
Q3 2021	339	$3.82B
Q2 2021	327	$3.44B
Q1 2021	316	$3.82B

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding Qualys, Inc.; share changes are against Q2 2026.

Institutions holding QLYS in Q3 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Alyeska Investment Group, L.P.	–	–	–	–	Not filed
Manufacturers Life Insurance Company, The	–	–	–	–	Not filed
Segall Bryant & Hamill, LLC	–	–	–	–	Not filed
Barclays PLC	–	–	–	–	Not filed
Heron Bay Capital Management	–	–	–	–	Not filed
BW Gestao de Investimentos Ltda.	–	–	–	–	Not filed
Tandem Investment Advisors, Inc.	–	–	–	–	Not filed
KBC Group NV	–	–	–	–	Not filed
Numerai GP LLC	–	–	–	–	Not filed
Van Hulzen Asset Management, LLC	–	–	–	–	Not filed
KLP Kapitalforvaltning AS	–	–	–	–	Not filed
MML Investors Services, LLC	–	–	–	–	Not filed
New York State Teachers Retirement System	–	–	–	–	Not filed
Paralel Advisors LLC	–	–	–	–	Not filed
Lazard Asset Management LLC	–	–	–	–	Not filed
Tudor Investment Corp Et Al	–	–	–	–	Not filed
Banque Cantonale Vaudoise	–	–	–	–	Not filed
Allianz Asset Management GmbH	–	–	–	–	Not filed
Martingale Asset Management L P	–	–	–	–	Not filed
CWM Advisors, LLC	–	–	–	–	Not filed
Virginia Retirement Systems Et Al	–	–	–	–	Not filed
Caxton Associates LLP	–	–	–	–	Not filed
Jefferies Financial Group Inc.	–	–	–	–	Not filed
Chase Investment Counsel Corp	–	–	–	–	Not filed
NewEdge Wealth, LLC	–	–	–	–	Not filed
D. E. Shaw & Co., Inc.	–	–	–	–	Not filed
Capital Fund Management S.A.	–	–	–	–	Not filed
Brevan Howard Capital Management LP	–	–	–	–	Not filed
Royal Bank of Canada	–	–	–	–	Not filed
Aurora Investment Counsel	–	–	–	–	Not filed
SG Americas Securities, LLC	–	–	–	–	Not filed
New York State Common Retirement Fund	–	–	–	–	Not filed
Cascade Investment Advisors, Inc.	–	–	–	–	Not filed
Handelsbanken Fonder AB	–	–	–	–	Not filed
Bridge City Capital, LLC	–	–	–	–	Not filed
Zacks Investment Management	–	–	–	–	Not filed
Two Sigma Investments, LP	–	–	–	–	Not filed
FMR LLC	–	–	–	–	Not filed
Amundi	–	–	–	–	Not filed
Amalgamated Bank	–	–	–	–	Not filed
GHP Investment Advisors, Inc.	–	–	–	–	Not filed
First National Bank of Omaha	–	–	–	–	Not filed
Mirae Asset Global Investments Co., Ltd.	–	–	–	–	Not filed
Cetera Investment Advisers	–	–	–	–	Not filed
State of New Jersey Common Pension Fund D	–	–	–	–	Not filed
Horizon Investments, LLC	–	–	–	–	Not filed
Vanguard Global Advisers, LLC	–	–	–	–	Not filed
State of Tennessee, Treasury Department	–	–	–	–	Not filed
NorthRock Partners, LLC	–	–	–	–	Not filed
Park Avenue Securities LLC	–	–	–	–	Not filed
Natixis Advisors, L.P.	–	–	–	–	Not filed
RFG Advisory, LLC	–	–	–	–	Not filed
DekaBank Deutsche Girozentrale	–	–	–	–	Not filed
Mutual of America Capital Management LLC	–	–	–	–	Not filed
Winton Group Ltd	–	–	–	–	Not filed
Stifel Financial Corp	–	–	–	–	Not filed
XTX Topco Ltd	–	–	–	–	Not filed
Toroso Investments, LLC	–	–	–	–	Not filed
Teacher Retirement System of Texas	–	–	–	–	Not filed
Man Group plc	–	–	–	–	Not filed
Zurcher Kantonalbank (Zurich Cantonalbank)	–	–	–	–	Not filed
Assenagon Asset Management S.A.	–	–	–	–	Not filed
South Dakota Investment Council	–	–	–	–	Not filed
Police & Firemen's Retirement System of New Jersey	–	–	–	–	Not filed
Burney Co	–	–	–	–	Not filed
Truist Financial Corp	–	–	–	–	Not filed
Wealth Enhancement Advisory Services, LLC	–	–	–	–	Not filed
Louisiana State Employees Retirement System	–	–	–	–	Not filed
Alpine Peaks Capital, LP	–	–	–	–	Not filed
Pathstone Holdings, LLC	–	–	–	–	Not filed
Teachers Retirement System of the State of Kentucky	–	–	–	–	Not filed
Arizona State Retirement System	–	–	–	–	Not filed
Ameritas Investment Partners, Inc.	–	–	–	–	Not filed
Yousif Capital Management, LLC	–	–	–	–	Not filed
Advisor Group Holdings, Inc.	–	–	–	–	Not filed
Vanguard Investments Australia, Ltd.	–	–	–	–	Not filed
Principal Securities, Inc.	–	–	–	–	Not filed
Fifth Third Bancorp	–	–	–	–	Not filed
Canada Pension Plan Investment Board	–	–	–	–	Not filed
Janney Montgomery Scott LLC	–	–	–	–	Not filed
State Board of Administration of Florida Retirement System	–	–	–	–	Not filed
JustInvest LLC	–	–	–	–	Not filed
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	–	–	–	–	Not filed
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	–	–	–	–	Not filed
Steward Partners Investment Advisory, LLC	–	–	–	–	Not filed
Intech Investment Management LLC	–	–	–	–	Not filed
New Age Alpha Advisors, LLC	–	–	–	–	Not filed
State of Michigan Retirement System	–	–	–	–	Not filed
Cerity Partners LLC	–	–	–	–	Not filed
Northwestern Mutual Investment Management Company, LLC	–	–	–	–	Not filed
HSBC Holdings PLC	–	–	–	–	Not filed
Quadrant Capital Group LLC	–	–	–	–	Not filed
Thrivent Financial for Lutherans	–	–	–	–	Not filed
Sequoia Financial Advisors, LLC	–	–	–	–	Not filed
Ieq Capital, LLC	–	–	–	–	Not filed
State of Wisconsin Investment Board	–	–	–	–	Not filed
Oregon Public Employees Retirement Fund	–	–	–	–	Not filed
Mercer Global Advisors Inc	–	–	–	–	Not filed
American Capital Management Inc	–	–	–	–	Not filed
Empowered Funds, LLC	–	–	–	–	Not filed