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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: 317 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: 428 institutionsQ2 2025: 437 institutionsQ3 2025: 431 institutionsQ4 2025: 450 institutionsQ1 2026: 423 institutionsQ2 2026: 436 institutions
Value heldQ2 2026: $5.06B
Q1 2021: $3.82BQ2 2021: $3.45BQ3 2021: $3.82BQ4 2021: $4.86BQ1 2022: $5.07BQ2 2022: $4.42BQ3 2022: $4.95BQ4 2022: $3.96BQ1 2023: $4.69BQ2 2023: $4.58BQ3 2023: $5.47BQ4 2023: $7.59BQ1 2024: $6.57BQ2 2024: $5.36BQ3 2024: $4.74BQ4 2024: $5.04BQ1 2025: $4.44BQ2 2025: $5.02BQ3 2025: $4.76BQ4 2025: $4.88BQ1 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$4.88B
Q3 2025431$4.76B
Q2 2025437$5.02B
Q1 2025428$4.44B
Q4 2024451$5.04B
Q3 2024436$4.74B
Q2 2024467$5.36B
Q1 2024453$6.57B
Q4 2023464$7.59B
Q3 2023409$5.47B
Q2 2023386$4.58B
Q1 2023391$4.69B
Q4 2022392$3.96B
Q3 2022395$4.95B
Q2 2022365$4.42B
Q1 2022361$5.07B
Q4 2021360$4.86B
Q3 2021339$3.82B
Q2 2021327$3.45B
Q1 2021317$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
Envestnet Asset Management Inc213,213$29.3M0.01%+5,539+2.7%Added
CDAM (UK) Ltd219,862$30.2M7.80%−249,139−53.1%Reduced
UBS Group AG244,220$33.6M0.01%+50,003+25.7%Added
Vanguard Fiduciary Trust Co253,640$34.9M0.01%+3,281+1.3%Added
JPMorgan Chase & Co291,681$37.6M0.00%−469,161−61.7%Reduced
Bank of New York Mellon Corp283,980$39.0M0.01%−34,307−10.8%Reduced
Renaissance Technologies LLC284,100$39.1M0.05%−213,500−42.9%Reduced
Point72 Asset Management, L.P.285,895$39.3M0.06%+285,895New
Fort Washington Investment Advisors Inc368,865$50.7M0.25%+124,993+51.3%Added
Citadel Advisors LLC378,139$52.0M0.03%+174,609+85.8%Added
Goldman Sachs Group Inc397,028$54.6M0.01%+72,848+22.5%Added
Invesco Ltd.423,064$58.2M0.00%+42,244+11.1%Added
London Co of Virginia428,317$58.9M0.34%−38,025−8.2%Reduced
Charles Schwab Investment Management Inc514,677$70.8M0.01%+12,258+2.4%Added
Northern Trust Corp517,147$71.1M0.01%+6,601+1.3%Added
Voya Investment Management LLC521,489$71.7M0.06%+224,134+75.4%Added
Portolan Capital Management, LLC529,807$72.8M2.73%+290,779+121.7%Added
Acadian Asset Management LLC542,279$74.5M0.09%+360,172+197.8%Added
Clark Capital Management Group, Inc.543,703$74.8M0.41%+163,244+42.9%Added
Adviser Investments LLC548,756$75.4M0.72%−40.0%Reduced
Mirae Asset Global ETFs Holdings Ltd.553,737$76.1M0.09%+115,165+26.3%Added
Morgan Stanley620,705$85.3M0.00%−25,721−4.0%Reduced
Dimensional Fund Advisors LP719,248$98.9M0.02%−43,851−5.7%Reduced
Millennium Management LLC762,709$104.9M0.07%+527,327+224.0%Added
Penserra Capital Management LLC780,069$107.3M0.82%+47,565+6.5%Added
Boston Trust Walden Corp984,889$135.4M1.03%−25,487−2.5%Reduced
Arrowstreet Capital, Limited Partnership985,345$135.5M0.06%+152,549+18.3%Added
First Trust Advisors LP1,130,656$155.5M0.09%+134,592+13.5%Added
AQR Capital Management LLC1,394,771$190.6M0.07%+355,843+34.3%Added
Geode Capital Management, LLC1,409,583$193.8M0.01%+88,674+6.7%Added
Legal & General Group Plc1,437,373$197.6M0.04%+407,786+39.6%Added
State Street Corp1,456,158$200.2M0.01%+67,438+4.9%Added
Vanguard Capital Management LLC1,590,332$218.7M0.00%+5,726+0.4%Added
Vanguard Portfolio Management LLC2,695,941$370.7M0.02%+158,815+6.3%Added
BlackRock, Inc.5,762,721$792.3M0.01%+402,125+7.5%Added
Coppell Advisory Solutions LLC101––+101New
Fundsmith LLPSuperinvestorFundsmith0$00.00%−226,077−100.0%Sold out
Oberweis Asset Management Inc0$00.00%−118,900−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−55,200−100.0%Sold out
Renaissance Group LLC0$00.00%−47,827−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−47,194−100.0%Sold out
Public Sector Pension Investment Board0$00.00%−47,070−100.0%Sold out
Asset Management One Co.,Ltd.0$00.00%−45,262−100.0%Sold out
Hussman Strategic Advisors, Inc.0$00.00%−42,000−100.0%Sold out
Van Eck Associates Corp0$00.00%−41,000−100.0%Sold out
Nutshell Asset Management Ltd0$00.00%−40,644−100.0%Sold out
Seizert Capital Partners, LLC0$00.00%−32,840−100.0%Sold out
Ossiam0$00.00%−32,400−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−31,143−100.0%Sold out
Pinnacle Financial Partners, Inc.0$00.00%−30,042−100.0%Sold out
Algert Global LLC0$00.00%−26,496−100.0%Sold out
BLI - Banque de Luxembourg Investments0$00.00%−16,000−100.0%Sold out
Clark Estates Inc0$00.00%−24,000−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−21,140−100.0%Sold out
Torray LLC0$00.00%−18,178−100.0%Sold out
Illinois Municipal Retirement Fund0$00.00%−18,041−100.0%Sold out
Quantbot Technologies LP0$00.00%−17,586−100.0%Sold out
Main Management ETF Advisors, LLC0$00.00%−15,835−100.0%Sold out
Mariner, LLC0$00.00%−14,464−100.0%Sold out
Wesbanco Bank Inc0$00.00%−12,156−100.0%Sold out
HRT Financial LP0$00.00%−12,084−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−12,007−100.0%Sold out
E. Ohman J:or Asset Management AB0$00.00%−11,680−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−10,419−100.0%Sold out
Bridgewater Associates, LP0$00.00%−10,219−100.0%Sold out
Jane Street Group, LLC0$00.00%−9,861−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−9,386−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−9,032−100.0%Sold out
Novem Group0$00.00%−8,405−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−7,997−100.0%Sold out
Hancock Whitney Corp0$00.00%−7,539−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−6,951−100.0%Sold out
Argent Capital Management LLC0$00.00%−6,767−100.0%Sold out
Marshall Financial Group LLC0$00.00%−6,637−100.0%Sold out
Kestra Private Wealth Services, LLC0$00.00%−5,057−100.0%Sold out
Yorktown Management & Research Co Inc0$00.00%−4,700−100.0%Sold out
DC Investments Management, LLC0$00.00%−4,539−100.0%Sold out
Formidable Asset Management, LLC0$00.00%−2,952−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−4,311−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−3,560−100.0%Sold out
Ameritas Advisory Services, LLC0$00.00%−3,215−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−3,074−100.0%Sold out
Axq Capital, LP0$00.00%−3,024−100.0%Sold out
Keebeck Wealth Management, LLC0$00.00%−2,988−100.0%Sold out
Centiva Capital, LP0$00.00%−2,862−100.0%Sold out
Marex Group plc0$00.00%−2,835−100.0%Sold out
Trust Point Inc.0$00.00%−2,810−100.0%Sold out
Perbak Capital Partners LLP0$00.00%−2,739−100.0%Sold out
Merit Financial Group, LLC0$00.00%−2,650−100.0%Sold out
Private Advisor Group, LLC0$00.00%−2,524−100.0%Sold out
Willner & Heller, LLC0$00.00%−2,400−100.0%Sold out
Caitong International Asset Management Co., Ltd0$00.00%−1,413−100.0%Sold out
Advisory Services Network, LLC0$00.00%−512−100.0%Sold out
MAI Capital Management0$00.00%−441−100.0%Sold out
Aster Capital Management (DIFC) Ltd0$00.00%−298−100.0%Sold out
Root Financial Partners, LLC0$00.00%−297−100.0%Sold out
Strive Financial Group ,LLC0$00.00%−200−100.0%Sold out
Basecamp Wealth Advisors LLC0$00.00%−134−100.0%Sold out
Group One Trading, L.P.0$00.00%−100−100.0%Sold out
Quarry LP0$00.00%−20−100.0%Sold out