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Qualys, Inc.

QLYS
Exchange
Nasdaq
Industry
Services-Prepackaged Software
SEC CIK
0001107843

In the last 90 days, Qualys, Inc. insiders filed 0 open-market purchases and 15 sales; 436 institutions reported holding it in 13F filings for Q2 2026, worth $5.06B in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in Qualys, Inc. as of Jun 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

Institutional holders
436
+19 vs. Q1 2026
Shares held
36.9M
+4.78K (0.0%) vs. Q1 2026
Total value
$5.06B
+$1.81B (+56.0%) vs. Q1 2026
New holders
91
160 more added
Sold out
72
144 more reduced

6 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2026: 436 institutions
Q1 2021: 316 institutionsQ2 2021: 327 institutionsQ3 2021: 339 institutionsQ4 2021: 360 institutionsQ1 2022: 361 institutionsQ2 2022: 365 institutionsQ3 2022: 395 institutionsQ4 2022: 392 institutionsQ1 2023: 391 institutionsQ2 2023: 386 institutionsQ3 2023: 409 institutionsQ4 2023: 464 institutionsQ1 2024: 453 institutionsQ2 2024: 467 institutionsQ3 2024: 436 institutionsQ4 2024: 451 institutionsQ1 2025: 427 institutionsQ2 2025: 437 institutionsQ3 2025: 430 institutionsQ4 2025: 450 institutionsQ1 2026: 423 institutionsQ2 2026: 436 institutions
Value heldQ2 2026: $5.06B
Q1 2021: $3.82BQ2 2021: $3.44BQ3 2021: $3.82BQ4 2021: $4.85BQ1 2022: $4.93BQ2 2022: $4.41BQ3 2022: $4.92BQ4 2022: $3.96BQ1 2023: $4.63BQ2 2023: $4.58BQ3 2023: $5.47BQ4 2023: $7.19BQ1 2024: $6.16BQ2 2024: $5.26BQ3 2024: $4.66BQ4 2024: $5.04BQ1 2025: $4.40BQ2 2025: $5.01BQ3 2025: $4.69BQ4 2025: $4.80BQ1 2026: $3.25BQ2 2026: $5.06B
Institutions holding QLYS and their total value by quarter
QuarterHoldersValue
Q2 2026436$5.06B
Q1 2026423$3.25B
Q4 2025450$4.80B
Q3 2025430$4.69B
Q2 2025437$5.01B
Q1 2025427$4.40B
Q4 2024451$5.04B
Q3 2024436$4.66B
Q2 2024467$5.26B
Q1 2024453$6.16B
Q4 2023464$7.19B
Q3 2023409$5.47B
Q2 2023386$4.58B
Q1 2023391$4.63B
Q4 2022392$3.96B
Q3 2022395$4.92B
Q2 2022365$4.41B
Q1 2022361$4.93B
Q4 2021360$4.85B
Q3 2021339$3.82B
Q2 2021327$3.44B
Q1 2021316$3.82B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Qualys, Inc.; share changes are against Q1 2026.

Institutions holding QLYS in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Barclays PLC32,810$4.51M0.00%−102,717−75.8%Reduced
Heron Bay Capital Management32,006$4.40M0.40%+32,006New
BW Gestao de Investimentos Ltda.30,628$4.21M0.10%+19,319+170.8%Added
Tandem Investment Advisors, Inc.29,188$4.01M0.27%−8,422−22.4%Reduced
KBC Group NV27,958$3.84M0.01%00.0%Unchanged
Numerai GP LLC27,685$3.81M0.31%−10,361−27.2%Reduced
Van Hulzen Asset Management, LLC27,342$3.76M0.27%+7,467+37.6%Added
KLP Kapitalforvaltning AS27,100$3.73M0.01%+8,300+44.1%Added
MML Investors Services, LLC26,674$3.67M0.01%−1,411−5.0%Reduced
New York State Teachers Retirement System26,329$3.62M0.01%+401+1.5%Added
Paralel Advisors LLC26,294$3.62M0.14%+5,051+23.8%Added
Lazard Asset Management LLC25,239$3.47M0.01%−12,475−33.1%Reduced
Tudor Investment Corp Et Al25,125$3.45M0.01%−225,760−90.0%Reduced
Banque Cantonale Vaudoise21,656$2.98M0.12%+26+0.1%Added
Allianz Asset Management GmbH21,240$2.92M0.00%+21,240New
Martingale Asset Management L P21,225$2.92M0.07%−196−0.9%Reduced
CWM Advisors, LLC20,806$2.86M0.12%−2,545−10.9%Reduced
Virginia Retirement Systems Et Al20,745$2.85M0.02%+4,300+26.1%Added
Caxton Associates LLP20,684$2.84M0.05%+6,171+42.5%Added
Jefferies Financial Group Inc.20,100$2.76M0.03%+5,819+40.7%Added
Chase Investment Counsel Corp20,000$2.75M0.58%+4,000+25.0%Added
NewEdge Wealth, LLC19,946$2.74M0.03%+3,408+20.6%Added
D. E. Shaw & Co., Inc.19,931$2.74M0.00%−105,181−84.1%Reduced
Capital Fund Management S.A.19,346$2.66M0.02%−7,266−27.3%Reduced
Brevan Howard Capital Management LP19,309$2.65M0.04%+6,512+50.9%Added
Royal Bank of Canada18,917$2.60M0.00%−21,290−53.0%Reduced
Aurora Investment Counsel18,653$2.56M1.32%−489−2.6%Reduced
SG Americas Securities, LLC18,463$2.54M0.00%−44,208−70.5%Reduced
New York State Common Retirement Fund17,904$2.46M0.00%+1,100+6.5%Added
Cascade Investment Advisors, Inc.17,300$2.38M1.30%+5,405+45.4%Added
Handelsbanken Fonder AB17,251$2.37M0.01%+6,700+63.5%Added
Bridge City Capital, LLC17,198$2.36M0.54%−339−1.9%Reduced
Zacks Investment Management17,063$2.35M0.02%+2,789+19.5%Added
Two Sigma Investments, LP16,924$2.33M0.00%−138,112−89.1%Reduced
FMR LLC16,271$2.24M0.00%+6,722+70.4%Added
Amundi15,277$2.10M0.00%−3,121−17.0%Reduced
Amalgamated Bank14,983$2.06M0.01%−541−3.5%Reduced
GHP Investment Advisors, Inc.14,839$2.04M0.07%+2,050+16.0%Added
First National Bank of Omaha14,725$2.02M0.06%−2,414−14.1%Reduced
Mirae Asset Global Investments Co., Ltd.14,496$1.99M0.00%+5,369+58.8%Added
Cetera Investment Advisers13,991$1.92M0.00%−3,414−19.6%Reduced
State of New Jersey Common Pension Fund D13,900$1.91M0.01%−7,892−36.2%Reduced
Horizon Investments, LLC13,790$1.90M0.02%+5,614+68.7%Added
Vanguard Global Advisers, LLC13,634$1.87M0.00%−806−5.6%Reduced
State of Tennessee, Treasury Department13,554$1.86M0.01%−244−1.8%Reduced
NorthRock Partners, LLC13,501$1.86M0.03%+112+0.8%Added
Park Avenue Securities LLC13,338$1.83M0.01%+2,643+24.7%Added
Natixis Advisors, L.P.13,019$1.79M0.00%+13,019New
RFG Advisory, LLC12,934$1.78M0.03%+12,934New
DekaBank Deutsche Girozentrale20,576$1.76M0.00%00.0%Unchanged
Mutual of America Capital Management LLC12,727$1.75M0.02%−1,014−7.4%Reduced
Winton Group Ltd12,660$1.74M0.06%−453−3.5%Reduced
Stifel Financial Corp12,529$1.72M0.00%−543−4.2%Reduced
XTX Topco Ltd12,230$1.68M0.02%−18,615−60.4%Reduced
Toroso Investments, LLC12,197$1.68M0.00%+1,220+11.1%Added
Teacher Retirement System of Texas12,148$1.67M0.00%−63,559−84.0%Reduced
Man Group plc11,657$1.60M0.00%−61,676−84.1%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)11,289$1.55M0.00%−21,424−65.5%Reduced
Assenagon Asset Management S.A.11,287$1.55M0.00%+2,202+24.2%Added
South Dakota Investment Council11,054$1.52M0.03%−400−3.5%Reduced
Police & Firemen's Retirement System of New Jersey10,735$1.48M0.01%+793+8.0%Added
Burney Co10,387$1.43M0.04%−11,721−53.0%Reduced
Truist Financial Corp10,351$1.42M0.00%−243−2.3%Reduced
Wealth Enhancement Advisory Services, LLC9,300$1.42M0.00%+1,085+13.2%Added
Louisiana State Employees Retirement System10,300$1.42M0.02%−100−1.0%Reduced
Alpine Peaks Capital, LP10,142$1.39M1.63%−24,763−70.9%Reduced
Pathstone Holdings, LLC10,124$1.39M0.00%−243−2.3%Reduced
Teachers Retirement System of the State of Kentucky9,988$1.37M0.01%00.0%Unchanged
Arizona State Retirement System9,844$1.35M0.01%−5−0.1%Reduced
Ameritas Investment Partners, Inc.9,784$1.35M0.04%+244+2.6%Added
Yousif Capital Management, LLC9,729$1.34M0.01%−729−7.0%Reduced
Advisor Group Holdings, Inc.9,569$1.32M0.00%−7,160−42.8%Reduced
Vanguard Investments Australia, Ltd.9,522$1.31M0.00%+896+10.4%Added
Principal Securities, Inc.9,244$1.27M0.02%+1,983+27.3%Added
Fifth Third Bancorp9,207$1.27M0.00%−1,457−13.7%Reduced
Canada Pension Plan Investment Board9,200$1.26M0.00%−23,800−72.1%Reduced
Janney Montgomery Scott LLC9,010$1.24M0.00%−80,690−90.0%Reduced
State Board of Administration of Florida Retirement System8,666$1.19M0.00%00.0%Unchanged
JustInvest LLC8,616$1.18M0.01%+729+9.2%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main8,450$1.16M0.00%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys8,431$1.16M0.01%−553−6.2%Reduced
Steward Partners Investment Advisory, LLC8,400$1.15M0.01%+8,222+4,619.1%Added
Intech Investment Management LLC8,387$1.15M0.01%−5,835−41.0%Reduced
New Age Alpha Advisors, LLC8,339$1.15M0.05%−175−2.1%Reduced
State of Michigan Retirement System8,276$1.14M0.01%−400−4.6%Reduced
Cerity Partners LLC7,936$1.09M0.00%−719−8.3%Reduced
Northwestern Mutual Investment Management Company, LLC7,922$1.09M0.01%−111−1.4%Reduced
HSBC Holdings PLC7,776$1.09M0.00%−5,229−40.2%Reduced
Quadrant Capital Group LLC7,877$1.08M0.03%+7,809+11,483.8%Added
Thrivent Financial for Lutherans7,820$1.07M0.00%−259−3.2%Reduced
Sequoia Financial Advisors, LLC7,527$1.03M0.01%+4,747+170.8%Added
Ieq Capital, LLC7,429$1.02M0.00%−17,419−70.1%Reduced
State of Wisconsin Investment Board7,333$1.01M0.00%+650+9.7%Added
Oregon Public Employees Retirement Fund7,296$1.00M0.01%00.0%Unchanged
Mercer Global Advisors Inc7,231$994.2K0.00%−1,119−13.4%Reduced
American Capital Management Inc7,125$979.6K0.04%−76,627−91.5%Reduced
Empowered Funds, LLC7,118$978.7K0.01%−20,252−74.0%Reduced
J2 Capital Management Inc7,106$977.0K0.66%−207−2.8%Reduced
New Mexico Educational Retirement Board7,100$976.0K0.02%00.0%Unchanged
Leuthold Group, LLC7,057$970.3K0.10%+7,057New