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: 2; −1 vs. Q2 2026
Shares held: 995; −47.5K (−97.9%) vs. Q2 2026
Total value: $186.3K; −$6.48M (−97.2%) vs. Q2 2026
New holders: 0; 1 more added
Sold out: 1; 1 more reduced

433 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
Massmutual Trust Co FSB	451	$84.4K	0.00%	−21−4.4%	Reduced
Versant Capital Management, Inc	544	$101.8K	0.01%	+3+0.6%	Added
Herald Investment Management Ltd	0	$0	0.00%	−47,500−100.0%	Sold out
BlackRock, Inc.	–	–	–	–	Not filed
Vanguard Portfolio Management LLC	–	–	–	–	Not filed
Vanguard Capital Management LLC	–	–	–	–	Not filed
State Street Corp	–	–	–	–	Not filed
Legal & General Group Plc	–	–	–	–	Not filed
Geode Capital Management, LLC	–	–	–	–	Not filed
AQR Capital Management LLC	–	–	–	–	Not filed
First Trust Advisors LP	–	–	–	–	Not filed
Arrowstreet Capital, Limited Partnership	–	–	–	–	Not filed
Boston Trust Walden Corp	–	–	–	–	Not filed
Penserra Capital Management LLC	–	–	–	–	Not filed
Millennium Management LLC	–	–	–	–	Not filed
Dimensional Fund Advisors LP	–	–	–	–	Not filed
Morgan Stanley	–	–	–	–	Not filed
Mirae Asset Global ETFs Holdings Ltd.	–	–	–	–	Not filed
Adviser Investments LLC	–	–	–	–	Not filed
Clark Capital Management Group, Inc.	–	–	–	–	Not filed
Acadian Asset Management LLC	–	–	–	–	Not filed
Portolan Capital Management, LLC	–	–	–	–	Not filed
Voya Investment Management LLC	–	–	–	–	Not filed
Northern Trust Corp	–	–	–	–	Not filed
Charles Schwab Investment Management Inc	–	–	–	–	Not filed
London Co of Virginia	–	–	–	–	Not filed
Invesco Ltd.	–	–	–	–	Not filed
Goldman Sachs Group Inc	–	–	–	–	Not filed
Citadel Advisors LLC	–	–	–	–	Not filed
Fort Washington Investment Advisors Inc	–	–	–	–	Not filed
Point72 Asset Management, L.P.	–	–	–	–	Not filed
Renaissance Technologies LLC	–	–	–	–	Not filed
Bank of New York Mellon Corp	–	–	–	–	Not filed
JPMorgan Chase & Co	–	–	–	–	Not filed
Vanguard Fiduciary Trust Co	–	–	–	–	Not filed
UBS Group AG	–	–	–	–	Not filed
CDAM (UK) Ltd	–	–	–	–	Not filed
Envestnet Asset Management Inc	–	–	–	–	Not filed
Retirement Systems of Alabama	–	–	–	–	Not filed
Great West Life Assurance Co	–	–	–	–	Not filed
Bank of America Corp	–	–	–	–	Not filed
Principal Financial Group Inc	–	–	–	–	Not filed
Wellington Management Group LLP	–	–	–	–	Not filed
BNP Paribas Arbitrage, SA	–	–	–	–	Not filed
Jupiter Topco LLC	–	–	–	–	Not filed
Systematic Financial Management LP	–	–	–	–	Not filed
Russell Investments Group, Ltd.	–	–	–	–	Not filed
Fisher Asset Management, LLC	–	–	–	–	Not filed
Nuveen, LLC	–	–	–	–	Not filed
Tributary Capital Management, LLC	–	–	–	–	Not filed
Vontobel Holding Ltd.	–	–	–	–	Not filed
Rhumbline Advisers	–	–	–	–	Not filed
Cullinan Associates Inc	–	–	–	–	Not filed
Pacer Advisors, Inc.	–	–	–	–	Not filed
Vident Advisory, LLC	–	–	–	–	Not filed
Deutsche Bank AG	–	–	–	–	Not filed
Winmill & Co. Inc	–	–	–	–	Not filed
Citigroup Inc	–	–	–	–	Not filed
Creative Planning	–	–	–	–	Not filed
California Public Employees Retirement System	–	–	–	–	Not filed
Schroder Investment Management Group	–	–	–	–	Not filed
Federated Hermes, Inc.	–	–	–	–	Not filed
BI Asset Management Fondsmaeglerselskab A/S	–	–	–	–	Not filed
Jump Financial, LLC	–	–	–	–	Not filed
UBS Asset Management Americas Inc	–	–	–	–	Not filed
Gotham Asset Management, LLC	–	–	–	–	Not filed
Swiss National Bank	–	–	–	–	Not filed
Victory Capital Management Inc	–	–	–	–	Not filed
Freestone Grove Partners LP	–	–	–	–	Not filed
American Century Companies Inc	–	–	–	–	Not filed
Wells Fargo & Company	–	–	–	–	Not filed
Alliancebernstein L.P.	–	–	–	–	Not filed
Nordea Investment Management AB	–	–	–	–	Not filed
Quantinno Capital Management LP	–	–	–	–	Not filed
Willis Investment Counsel	–	–	–	–	Not filed
LPL Financial LLC	–	–	–	–	Not filed
Norges Bank	–	–	–	–	Not filed
Robeco Institutional Asset Management B.V.	–	–	–	–	Not filed
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	–	–	–	–	Not filed
LGT Fund Management Co Ltd.	–	–	–	–	Not filed
Raymond James Financial Inc	–	–	–	–	Not filed
Price T Rowe Associates Inc	–	–	–	–	Not filed
Davy Global Fund Management Ltd	–	–	–	–	Not filed
Nicholas Company, Inc.	–	–	–	–	Not filed
CI Private Wealth, LLC	–	–	–	–	Not filed
SEI Investments Co	–	–	–	–	Not filed
Franklin Resources Inc	–	–	–	–	Not filed
Alapocas Investment Partners, Inc.	–	–	–	–	Not filed
Ameriprise Financial Inc	–	–	–	–	Not filed
Taylor Hoffman Capital Management LLC	–	–	–	–	Not filed
Universal- Beteiligungs- und Servicegesellschaft mbH	–	–	–	–	Not filed
California State Teachers Retirement System	–	–	–	–	Not filed
Third Avenue Management LLC	–	–	–	–	Not filed
HighTower Advisors, LLC	–	–	–	–	Not filed
MetLife Investment Management	–	–	–	–	Not filed
Cresset Asset Management, LLC	–	–	–	–	Not filed
Caisse de Depot Et Placement du Quebec	–	–	–	–	Not filed
Vanguard Asset Management, Ltd	–	–	–	–	Not filed
Holocene Advisors, LP	–	–	–	–	Not filed
Alyeska Investment Group, L.P.	–	–	–	–	Not filed