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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 14 sales; 436 institutions reported holding it in 13F filings for Q2 2026, worth $5.06B in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Qualys, Inc. as of Mar 31, 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
423
−20 vs. Q4 2025
Shares held
37.0M
+5.55M (+17.6%) vs. Q4 2025
Total value
$3.25B
−$927.5M (−22.2%) vs. Q4 2025
New holders
63
189 more added
Sold out
83
119 more reduced

7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: 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 holdersQ1 2026: 423 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 heldQ1 2026: $3.25B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Qualys, Inc.; share changes are against Q4 2025.

Institutions holding QLYS in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Northwestern Mutual Investment Management Company, LLC8,033$705.7K0.01%+11+0.1%Added
Thrivent Financial for Lutherans8,079$710.0K0.00%−2,127−20.8%Reduced
Horizon Investments, LLC8,176$718.3K0.01%+2,233+37.6%Added
Wealth Enhancement Advisory Services, LLC8,215$725.9K0.00%+4,296+109.6%Added
Jump Financial, LLC8,320$730.9K0.01%+8,320New
Mercer Global Advisors Inc8,350$733.5K0.00%+4,202+101.3%Added
Novem Group8,405$738.4K0.08%+664+8.6%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main8,450$742.3K0.00%+2,700+47.0%Added
Freestone Grove Partners LP8,466$743.7K0.01%+8,466New
New Age Alpha Advisors, LLC8,514$748.0K0.03%−219−2.5%Reduced
Vanguard Investments Australia, Ltd.8,626$757.8K0.00%+8,626New
Cerity Partners LLC8,655$760.4K0.00%−18,739−68.4%Reduced
State Board of Administration of Florida Retirement System8,666$761.3K0.00%00.0%Unchanged
Wiley Bros.-Aintree Capital, LLC8,735$762.0K0.00%+2,971+51.5%Added
State of Michigan Retirement System8,676$762.2K0.00%+200+2.4%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys8,984$789.2K0.00%+11+0.1%Added
Graham Capital Management, L.P.9,032$793.5K0.03%+2,621+40.9%Added
Assenagon Asset Management S.A.9,085$798.1K0.00%−807−8.2%Reduced
Mirae Asset Global Investments Co., Ltd.9,127$801.8K0.00%+99+1.1%Added
Occudo Quantitative Strategies LP9,386$815.9K0.04%+7,768+480.1%Added
Ameritas Investment Partners, Inc.9,540$838.1K0.03%00.0%Unchanged
FMR LLC9,549$838.9K0.00%−3,961−29.3%Reduced
Arizona State Retirement System9,849$865.2K0.01%−169−1.7%Reduced
Jane Street Group, LLC9,861$866.3K0.00%+9,861New
Police & Firemen's Retirement System of New Jersey9,942$873.4K0.01%00.0%Unchanged
Teachers Retirement System of the State of Kentucky9,988$877.0K0.01%00.0%Unchanged
Bridgewater Associates, LP10,219$897.7K0.00%−13,387−56.7%Reduced
Pathstone Holdings, LLC10,367$910.7K0.00%−494−4.5%Reduced
Louisiana State Employees Retirement System10,400$913.6K0.02%+500+5.1%Added
Dark Forest Capital Management LP10,419$915.3K0.08%+10,419New
Yousif Capital Management, LLC10,458$918.7K0.01%−646−5.8%Reduced
Handelsbanken Fonder AB10,551$927.0K0.00%00.0%Unchanged
Truist Financial Corp10,594$930.7K0.00%+1,834+20.9%Added
Fifth Third Bancorp10,664$936.8K0.00%+10,217+2,285.7%Added
Park Avenue Securities LLC10,695$940.0K0.01%+936+9.6%Added
Toroso Investments, LLC10,977$964.3K0.00%−20,957−65.6%Reduced
BW Gestao de Investimentos Ltda.11,309$993.5K0.04%+11,309New
South Dakota Investment Council11,454$1.01M0.02%00.0%Unchanged
E. Ohman J:or Asset Management AB11,680$1.03M0.03%00.0%Unchanged
Cascade Investment Advisors, Inc.11,895$1.04M0.62%+11,895New
Aquatic Capital Management LLC12,007$1.05M0.03%+3,170+35.9%Added
HRT Financial LP12,084$1.06M0.00%+12,084New
Wesbanco Bank Inc12,156$1.07M0.03%00.0%Unchanged
CWM, LLC12,501$1.10M0.00%+8,720+230.6%Added
CSS LLC12,585$1.11M0.06%+6,280+99.6%Added
HSBC Holdings PLC13,005$1.12M0.00%−3,893−23.0%Reduced
GHP Investment Advisors, Inc.12,789$1.12M0.05%−2,094−14.1%Reduced
Brevan Howard Capital Management LP12,797$1.12M0.01%+4,984+63.8%Added
Stifel Financial Corp13,072$1.15M0.00%−19,367−59.7%Reduced
Winton Group Ltd13,113$1.15M0.04%+5,220+66.1%Added
NorthRock Partners, LLC13,389$1.18M0.02%+10.0%Added
Mutual of America Capital Management LLC13,741$1.21M0.01%−1,183−7.9%Reduced
State of Tennessee, Treasury Department13,798$1.21M0.00%00.0%Unchanged
Intech Investment Management LLC14,222$1.25M0.01%−2,576−15.3%Reduced
Zacks Investment Management14,274$1.25M0.01%+561+4.1%Added
Jefferies Financial Group Inc.14,281$1.25M0.02%−11,446−44.5%Reduced
Vanguard Global Advisers, LLC14,440$1.27M0.00%+14,440New
Mariner, LLC14,464$1.27M0.00%+5,233+56.7%Added
Caxton Associates LLP14,513$1.27M0.03%+14,513New
Amalgamated Bank15,524$1.36M0.01%+402+2.7%Added
Main Management ETF Advisors, LLC15,835$1.39M0.05%+15,835New
Chase Investment Counsel Corp16,000$1.41M0.37%+16,000New
Virginia Retirement Systems Et Al16,445$1.44M0.01%+400+2.5%Added
NewEdge Wealth, LLC16,538$1.45M0.02%+5,252+46.5%Added
Advisor Group Holdings, Inc.16,729$1.47M0.00%−1,804−9.7%Reduced
New York State Common Retirement Fund16,804$1.48M0.00%00.0%Unchanged
First National Bank of Omaha17,139$1.51M0.05%+4,963+40.8%Added
Cetera Investment Advisers17,405$1.53M0.00%−102−0.6%Reduced
Bridge City Capital, LLC17,537$1.54M0.43%−136−0.8%Reduced
Quantbot Technologies LP17,586$1.54M0.06%−68−0.4%Reduced
Illinois Municipal Retirement Fund18,041$1.58M0.02%+2,025+12.6%Added
Torray LLC18,178$1.60M0.23%+4,106+29.2%Added
Amundi18,398$1.62M0.00%+4,634+33.7%Added
KLP Kapitalforvaltning AS18,800$1.65M0.01%+300+1.6%Added
Aurora Investment Counsel19,142$1.68M0.93%+689+3.7%Added
Van Hulzen Asset Management, LLC19,875$1.75M0.13%−2,698−12.0%Reduced
DekaBank Deutsche Girozentrale20,576$1.80M0.00%00.0%Unchanged
Engineers Gate Manager LP20,786$1.83M0.02%+5,699+37.8%Added
Healthcare of Ontario Pension Plan Trust Fund21,140$1.86M0.00%+21,140New
Paralel Advisors LLC21,243$1.87M0.08%00.0%Unchanged
Martingale Asset Management L P21,421$1.88M0.05%−879−3.9%Reduced
Banque Cantonale Vaudoise21,630$1.90M0.07%−1,648−7.1%Reduced
State of New Jersey Common Pension Fund D21,792$1.91M0.01%+6,225+40.0%Added
Burney Co22,108$1.94M0.06%−2,413−9.8%Reduced
CWM Advisors, LLC23,351$2.05M0.12%+1,162+5.2%Added
LGT Fund Management Co Ltd.23,490$2.06M0.09%+23,490New
Clark Estates Inc24,000$2.11M0.51%+24,000New
BLI - Banque de Luxembourg Investments16,000$2.12M0.06%00.0%Unchanged
Ieq Capital, LLC24,848$2.18M0.01%+17,497+238.0%Added
CI Private Wealth, LLC25,338$2.23M0.00%+23,576+1,338.0%Added
New York State Teachers Retirement System25,928$2.28M0.00%+4,536+21.2%Added
Algert Global LLC26,496$2.33M0.04%−25,830−49.4%Reduced
Capital Fund Management S.A.26,612$2.34M0.02%−3,149−10.6%Reduced
Empowered Funds, LLC27,370$2.40M0.02%+23,807+668.2%Added
KBC Group NV27,958$2.46M0.01%+20,000+251.3%Added
MML Investors Services, LLC28,085$2.47M0.01%+1,929+7.4%Added
Caisse de Depot Et Placement du Quebec28,910$2.54M0.00%+16,903+140.8%Added
Creative Planning29,017$2.55M0.00%−3,584−11.0%Reduced
Pinnacle Financial Partners, Inc.30,042$2.64M0.02%+6,376+26.9%Added
XTX Topco Ltd30,845$2.71M0.05%+23,364+312.3%Added