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

13F holders, Q3 2025

Institutional positions in Qualys, Inc. as of Sep 30, 2025. 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
431
−1 vs. Q2 2025
Shares held
35.9M
+834.5K (+2.4%) vs. Q2 2025
Total value
$4.76B
−$257.5M (−5.1%) vs. Q2 2025
New holders
48
169 more added
Sold out
49
154 more reduced

5 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 431 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 heldQ3 2025: $4.76B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Qualys, Inc.; share changes are against Q2 2025.

Institutions holding QLYS in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.5,477,931$724.9M0.01%−145,889−2.6%Reduced
Vanguard Group Inc4,401,798$582.5M0.01%+123,962+2.9%Added
State Street Corp1,388,851$183.8M0.01%−23,096−1.6%Reduced
Geode Capital Management, LLC1,207,125$161.0M0.01%+3,126+0.3%Added
Boston Trust Walden Corp1,146,289$151.7M1.11%+8,425+0.7%Added
First Trust Advisors LP1,105,663$146.3M0.11%−10,054−0.9%Reduced
Legal & General Group Plc1,081,015$143.1M0.03%+29,342+2.8%Added
JPMorgan Chase & Co1,061,644$140.5M0.00%+539,769+103.4%Added
Neuberger Berman Group LLC1,049,573$138.9M0.10%−25,001−2.3%Reduced
AQR Capital Management LLC1,010,769$133.8M0.09%−1,331−0.1%Reduced
Fundsmith LLPSuperinvestorFundsmith870,859$115.2M0.58%+152,257+21.2%Added
Morgan Stanley731,570$96.8M0.01%−212,528−22.5%Reduced
Dimensional Fund Advisors LP695,732$92.1M0.02%+14,380+2.1%Added
Adviser Investments LLC610,746$80.8M0.92%+610,746New
Northern Trust Corp545,655$72.2M0.01%+4,378+0.8%Added
Penserra Capital Management LLC515,840$68.3M0.82%−29,540−5.4%Reduced
Mirae Asset Global ETFs Holdings Ltd.501,877$66.4M0.11%−4,915−1.0%Reduced
Charles Schwab Investment Management Inc471,981$62.5M0.01%+2,284+0.5%Added
Renaissance Technologies LLC455,700$60.3M0.08%+95,300+26.4%Added
London Co of Virginia455,554$60.3M0.33%−14,423−3.1%Reduced
UBS Asset Management Americas Inc442,711$58.6M0.01%−56,119−11.3%Reduced
American Capital Management Inc412,947$54.6M2.18%−4,306−1.0%Reduced
Invesco Ltd.395,869$52.4M0.01%+15,269+4.0%Added
CDAM (UK) Ltd353,710$46.8M8.44%−46,225−11.6%Reduced
Alyeska Investment Group, L.P.346,513$45.9M0.14%+346,513New
Goldman Sachs Group Inc340,532$45.1M0.01%+21,631+6.8%Added
Bank of New York Mellon Corp339,440$44.9M0.01%−42,660−11.2%Reduced
Bank of America Corp320,716$42.4M0.00%−1,999−0.6%Reduced
Voya Investment Management LLC287,618$38.1M0.04%−3,581−1.2%Reduced
UBS Group AG194,256$25.7M0.01%+81,360+72.1%Added
Fort Washington Investment Advisors Inc190,121$25.2M0.14%+33,507+21.4%Added
American Century Companies Inc186,584$24.7M0.01%+79,557+74.3%Added
Retirement Systems of Alabama181,308$24.0M0.08%+33,908+23.0%Added
Barclays PLC177,853$23.5M0.01%+4,135+2.4%Added
Price T Rowe Associates Inc177,774$23.5M0.00%+1,953+1.1%Added
Acadian Asset Management LLC168,416$22.3M0.04%+31,581+23.1%Added
BNP Paribas Arbitrage, SA164,923$21.8M0.02%+9,751+6.3%Added
Great West Life Assurance Co159,081$21.7M0.03%+13,370+9.2%Added
Envestnet Asset Management Inc140,171$18.5M0.01%+5,216+3.9%Added
Deutsche Bank AG139,523$18.5M0.01%+48,548+53.4%Added
Two Sigma Investments, LP139,060$18.4M0.03%−8,756−5.9%Reduced
Fisher Asset Management, LLC131,652$17.4M0.01%−12,350−8.6%Reduced
Millennium Management LLC127,656$16.9M0.01%−62,670−32.9%Reduced
Rhumbline Advisers116,279$15.4M0.01%−4,145−3.4%Reduced
Norris Perne & French LLP116,248$15.4M1.07%−2,765−2.3%Reduced
Vident Advisory, LLC107,864$14.3M0.14%+452+0.4%Added
Principal Financial Group Inc106,973$14.2M0.01%+6,022+6.0%Added
Man Group plc105,901$14.0M0.03%+20,945+24.7%Added
Cullinan Associates Inc102,800$13.6M0.89%00.0%Unchanged
Canada Pension Plan Investment Board96,800$12.8M0.01%−30,800−24.1%Reduced
California Public Employees Retirement System95,509$12.6M0.01%+28,311+42.1%Added
Arrowstreet Capital, Limited Partnership93,827$12.4M0.01%+20,986+28.8%Added
Alliancebernstein L.P.89,205$11.8M0.00%−6,426−6.7%Reduced
Qube Research & Technologies Ltd88,809$11.8M0.02%−38,037−30.0%Reduced
Federated Hermes, Inc.87,217$11.5M0.02%+18,164+26.3%Added
Nuveen, LLC84,918$11.2M0.00%−49,127−36.6%Reduced
Oberweis Asset Management Inc84,000$11.1M0.43%00.0%Unchanged
Clearbridge Investments, LLC82,165$10.9M0.01%−3,413−4.0%Reduced
Nordea Investment Management AB77,369$10.4M0.01%+1,684+2.2%Added
Connor, Clark & Lunn Investment Management Ltd.76,972$10.2M0.03%−37,162−32.6%Reduced
Robeco Institutional Asset Management B.V.75,820$10.0M0.01%+19,445+34.5%Added
Clark Capital Management Group, Inc.72,401$9.58M0.06%+9,019+14.2%Added
Citadel Advisors LLC72,322$9.57M0.01%+72,322New
Gotham Asset Management, LLC70,907$9.38M0.04%+2,316+3.4%Added
Two Sigma Advisers, LP70,600$9.34M0.02%−41,000−36.7%Reduced
Swiss National Bank70,400$9.32M0.01%+700+1.0%Added
Herald Investment Management Ltd65,000$8.60M1.15%00.0%Unchanged
BLI - Banque de Luxembourg Investments63,000$8.60M0.25%−2,700−4.1%Reduced
Vontobel Holding Ltd.63,601$8.42M0.03%−1,702−2.6%Reduced
Tudor Investment Corp Et Al60,917$8.06M0.05%−62,265−50.5%Reduced
Trexquant Investment LP53,243$7.05M0.07%−42,511−44.4%Reduced
Jane Street Group, LLC53,041$7.02M0.01%+24,801+87.8%Added
FMR LLC52,757$6.98M0.00%+3,603+7.3%Added
AXA Investment Managers S.A.52,075$6.89M0.02%+52,075New
Wells Fargo & Company51,331$6.79M0.00%+6,620+14.8%Added
Alapocas Investment Partners, Inc.50,116$6.63M4.55%−1,040−2.0%Reduced
Susquehanna Fundamental Investments, LLC48,420$6.41M0.25%00.0%Unchanged
Nicholas Company, Inc.47,506$6.29M0.11%−100.0%Reduced
Blair William & Co47,263$6.25M0.02%+2,000+4.4%Added
HRT Financial LP46,179$6.11M0.02%+37,257+417.6%Added
SEI Investments Co45,562$6.03M0.01%+10,607+30.3%Added
Asset Management One Co.,Ltd.45,212$5.98M0.02%00.0%Unchanged
Citigroup Inc44,055$5.83M0.00%−5,529−11.2%Reduced
Teacher Retirement System of Texas43,491$5.76M0.02%+998+2.3%Added
Tandem Investment Advisors, Inc.42,344$5.60M0.19%+764+1.8%Added
Cerity Partners LLC41,665$5.51M0.01%−659−1.6%Reduced
Renaissance Group LLC41,354$5.47M0.21%+3,391+8.9%Added
Janus Henderson Group PLC41,101$5.44M0.00%+3,203+8.5%Added
Ameriprise Financial Inc40,805$5.40M0.00%−2,315−5.4%Reduced
MetLife Investment Management39,350$5.21M0.02%−1,398−3.4%Reduced
Davy Global Fund Management Ltd38,850$5.14M0.35%+711+1.9%Added
Van Eck Associates Corp38,261$5.06M0.00%+1,751+4.8%Added
Manufacturers Life Insurance Company, The37,761$5.00M0.00%−2,249−5.6%Reduced
Summit Creek Advisors LLC36,112$4.78M0.70%−2,911−7.5%Reduced
Grandeur Peak Global Advisors, LLC35,096$4.64M0.62%−6,269−15.2%Reduced
California State Teachers Retirement System34,846$4.61M0.00%+791+2.3%Added
LPL Financial LLC33,725$4.46M0.00%+11,952+54.9%Added
Taylor Hoffman Capital Management LLC32,750$4.33M1.37%+1,428+4.6%Added
Public Employees Retirement System of Ohio32,725$4.33M0.01%−842−2.5%Reduced
Ossiam32,400$4.29M0.06%+32,400New