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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, Q4 2025

Institutional positions in Qualys, Inc. as of Dec 31, 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
450
+28 vs. Q3 2025
Shares held
36.1M
+746.9K (+2.1%) vs. Q3 2025
Total value
$4.80B
+$119.2M (+2.5%) vs. Q3 2025
New holders
67
165 more added
Sold out
39
164 more reduced

8 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 450 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 heldQ4 2025: $4.88B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Qualys, Inc.; share changes are against Q3 2025.

Institutions holding QLYS in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.5,373,096$714.1M0.01%−104,835−1.9%Reduced
Vanguard Group Inc4,365,407$580.2M0.01%−36,391−0.8%Reduced
First Trust Advisors LP1,372,587$182.4M0.13%+266,924+24.1%Added
State Street Corp1,348,093$179.2M0.01%−40,758−2.9%Reduced
Geode Capital Management, LLC1,256,002$168.4M0.01%+48,877+4.0%Added
Legal & General Group Plc1,156,412$153.7M0.03%+75,397+7.0%Added
Boston Trust Walden Corp1,103,888$146.7M1.11%−42,401−3.7%Reduced
Neuberger Berman Group LLC815,077$108.3M0.08%−234,496−22.3%Reduced
Dimensional Fund Advisors LP717,381$95.3M0.02%+21,649+3.1%Added
Morgan Stanley691,800$91.9M0.01%−39,770−5.4%Reduced
Fundsmith LLPSuperinvestorFundsmith647,806$86.1M0.50%−223,053−25.6%Reduced
AQR Capital Management LLC633,471$84.2M0.04%−377,298−37.3%Reduced
Fuller & Thaler Asset Management, Inc.591,358$78.6M0.27%+591,358New
Adviser Investments LLC588,748$78.2M0.86%−21,998−3.6%Reduced
Penserra Capital Management LLC547,075$72.7M0.86%+31,235+6.1%Added
Northern Trust Corp512,649$68.1M0.01%−33,006−6.0%Reduced
JPMorgan Chase & Co488,695$64.9M0.00%−42,127−7.9%Reduced
Renaissance Technologies LLC480,300$63.8M0.10%+24,600+5.4%Added
Charles Schwab Investment Management Inc470,311$62.5M0.01%−1,670−0.4%Reduced
UBS Asset Management Americas Inc430,885$57.3M0.01%−11,826−2.7%Reduced
Mirae Asset Global ETFs Holdings Ltd.422,815$56.2M0.08%−79,062−15.8%Reduced
American Capital Management Inc404,119$53.7M2.37%−8,828−2.1%Reduced
London Co of Virginia389,254$51.7M0.30%−66,300−14.6%Reduced
CDAM (UK) Ltd386,650$51.4M9.34%+32,940+9.3%Added
Invesco Ltd.376,406$50.0M0.00%−19,463−4.9%Reduced
Arrowstreet Capital, Limited Partnership366,844$48.8M0.03%+273,017+291.0%Added
Clark Capital Management Group, Inc.363,593$48.3M0.30%+291,192+402.2%Added
Goldman Sachs Group Inc341,297$45.4M0.01%+765+0.2%Added
Bank of New York Mellon Corp330,154$43.9M0.01%−9,286−2.7%Reduced
Voya Investment Management LLC289,872$38.5M0.04%+2,254+0.8%Added
Bank of America Corp271,878$36.1M0.00%−48,838−15.2%Reduced
Millennium Management LLC245,322$32.6M0.02%+117,666+92.2%Added
BNP Paribas Arbitrage, SA234,108$31.1M0.02%+69,185+41.9%Added
Norges Bank219,395$29.2M0.00%+219,395New
Tudor Investment Corp Et Al217,475$28.9M0.16%+156,558+257.0%Added
Fort Washington Investment Advisors Inc208,832$27.8M0.15%+18,711+9.8%Added
Two Sigma Investments, LP206,425$27.4M0.04%+67,365+48.4%Added
Retirement Systems of Alabama180,700$24.0M0.08%−608−0.3%Reduced
Price T Rowe Associates Inc179,556$23.9M0.00%+1,782+1.0%Added
Ameriprise Financial Inc178,424$23.7M0.01%+137,619+337.3%Added
Federated Hermes, Inc.174,052$23.1M0.04%+86,835+99.6%Added
Great West Life Assurance Co154,351$20.5M0.04%−4,730−3.0%Reduced
Envestnet Asset Management Inc150,497$20.0M0.01%+10,326+7.4%Added
Nordea Investment Management AB125,636$16.8M0.01%+48,267+62.4%Added
Janus Henderson Group PLC122,715$16.3M0.01%+81,614+198.6%Added
Deutsche Bank AG122,462$16.3M0.01%−17,061−12.2%Reduced
Fisher Asset Management, LLC118,743$15.8M0.01%−12,909−9.8%Reduced
Principal Financial Group Inc117,819$15.7M0.01%+10,846+10.1%Added
Barclays PLC116,695$15.5M0.01%−61,158−34.4%Reduced
Acadian Asset Management LLC115,352$15.3M0.03%−53,064−31.5%Reduced
UBS Group AG113,957$15.1M0.00%−80,299−41.3%Reduced
Norris Perne & French LLP112,826$15.0M0.99%−3,422−2.9%Reduced
American Century Companies Inc108,763$14.5M0.01%−77,821−41.7%Reduced
Oberweis Asset Management Inc107,800$14.3M0.52%+23,800+28.3%Added
Rhumbline Advisers104,133$13.8M0.01%−12,146−10.4%Reduced
Cullinan Associates Inc102,800$13.7M0.93%00.0%Unchanged
California Public Employees Retirement System97,362$12.9M0.01%+1,853+1.9%Added
Vident Advisory, LLC94,781$12.6M0.12%−13,083−12.1%Reduced
Alliancebernstein L.P.92,182$12.3M0.00%+2,977+3.3%Added
LPL Financial LLC87,268$11.6M0.00%+53,543+158.8%Added
Janney Montgomery Scott LLC86,719$11.5M0.03%+80,934+1,399.0%Added
Nuveen, LLC84,221$11.2M0.00%−697−0.8%Reduced
Two Sigma Advisers, LP82,800$11.0M0.02%+12,200+17.3%Added
Vontobel Holding Ltd.80,279$10.7M0.04%+16,678+26.2%Added
Gotham Asset Management, LLC77,598$10.3M0.04%+6,691+9.4%Added
Citigroup Inc73,209$9.73M0.01%+29,154+66.2%Added
Trexquant Investment LP72,505$9.64M0.09%+19,262+36.2%Added
Wells Fargo & Company71,545$9.51M0.00%+20,214+39.4%Added
Swiss National Bank71,200$9.46M0.01%+800+1.1%Added
Man Group plc69,771$9.27M0.02%−36,130−34.1%Reduced
Canada Pension Plan Investment Board68,200$9.06M0.01%−28,600−29.5%Reduced
Robeco Institutional Asset Management B.V.65,820$8.75M0.01%−10,000−13.2%Reduced
Herald Investment Management Ltd65,000$8.63M1.13%00.0%Unchanged
D. E. Shaw & Co., Inc.64,150$8.53M0.01%+50,037+354.5%Added
Algert Global LLC52,326$6.95M0.11%+31,160+147.2%Added
Portolan Capital Management, LLC51,855$6.89M0.37%+51,855New
Teacher Retirement System of Texas51,565$6.85M0.02%+8,074+18.6%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.50,155$6.67M0.01%+49,863+17,076.4%Added
Alapocas Investment Partners, Inc.48,911$6.50M4.36%−1,205−2.4%Reduced
Blair William & Co47,958$6.37M0.02%+695+1.5%Added
Nicholas Company, Inc.47,551$6.32M0.11%+45+0.1%Added
Asset Management One Co.,Ltd.43,873$6.03M0.02%−1,339−3.0%Reduced
Tandem Investment Advisors, Inc.45,090$5.99M0.22%+2,746+6.5%Added
Citadel Advisors LLC43,204$5.74M0.00%−29,118−40.3%Reduced
Voloridge Investment Management, LLC43,161$5.74M0.02%+27,262+171.5%Added
Renaissance Group LLC41,371$5.50M0.22%+170.0%Added
Van Eck Associates Corp39,567$5.26M0.00%+1,306+3.4%Added
MetLife Investment Management37,340$4.96M0.02%−2,010−5.1%Reduced
SEI Investments Co36,726$4.88M0.00%−8,836−19.4%Reduced
Manufacturers Life Insurance Company, The35,972$4.78M0.00%−1,789−4.7%Reduced
Royal Bank of Canada35,768$4.75M0.00%+7,945+28.6%Added
BI Asset Management Fondsmaeglerselskab A/S35,489$4.72M0.04%+35,489New
Davy Global Fund Management Ltd35,209$4.68M0.32%−3,641−9.4%Reduced
Summit Creek Advisors LLC34,590$4.60M0.72%−1,522−4.2%Reduced
California State Teachers Retirement System34,118$4.53M0.00%−728−2.1%Reduced
Taylor Hoffman Capital Management LLC33,908$4.51M1.37%+1,158+3.5%Added
SG Americas Securities, LLC33,416$4.44M0.01%+19,889+147.0%Added
Grandeur Peak Global Advisors, LLC33,263$4.42M0.60%−1,833−5.2%Reduced
Alpine Peaks Capital, LP32,905$4.37M4.18%+3,000+10.0%Added
Seizert Capital Partners, LLC32,630$4.34M0.18%+1,075+3.4%Added