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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 436 | $5.06B |
| Q1 2026 | 423 | $3.25B |
| Q4 2025 | 450 | $4.80B |
| Q3 2025 | 430 | $4.69B |
| Q2 2025 | 437 | $5.01B |
| Q1 2025 | 427 | $4.40B |
| Q4 2024 | 451 | $5.04B |
| Q3 2024 | 436 | $4.66B |
| Q2 2024 | 467 | $5.26B |
| Q1 2024 | 453 | $6.16B |
| Q4 2023 | 464 | $7.19B |
| Q3 2023 | 409 | $5.47B |
| Q2 2023 | 386 | $4.58B |
| Q1 2023 | 391 | $4.63B |
| Q4 2022 | 392 | $3.96B |
| Q3 2022 | 395 | $4.92B |
| Q2 2022 | 365 | $4.41B |
| Q1 2022 | 361 | $4.93B |
| Q4 2021 | 360 | $4.85B |
| Q3 2021 | 339 | $3.82B |
| Q2 2021 | 327 | $3.44B |
| Q1 2021 | 316 | $3.82B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Qualys, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Public Employees Retirement System of Ohio | 31,143 | $2.74M | 0.01% | −779−2.4% | Reduced |
| Susquehanna Fundamental Investments, LLC | 31,143 | $2.74M | 0.10% | +12,638+68.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 31,511 | $2.77M | 0.00% | +8,648+37.8% | Added |
| HighTower Advisors, LLC | 31,564 | $2.77M | 0.00% | +386+1.2% | Added |
| Vanguard Asset Management, Ltd | 31,989 | $2.81M | 0.00% | +31,989 | New |
| Ossiam | 32,400 | $2.85M | 0.05% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 32,713 | $2.87M | 0.01% | +1,151+3.6% | Added |
| Seizert Capital Partners, LLC | 32,840 | $2.88M | 0.13% | +210+0.6% | Added |
| Canada Pension Plan Investment Board | 33,000 | $2.90M | 0.00% | −35,200−51.6% | Reduced |
| Franklin Resources Inc | 33,744 | $2.96M | 0.00% | +3,961+13.3% | Added |
| Manufacturers Life Insurance Company, The | 34,016 | $2.99M | 0.00% | −1,956−5.4% | Reduced |
| Willis Investment Counsel | 34,437 | $3.03M | 0.17% | +1,813+5.6% | Added |
| Segall Bryant & Hamill, LLC | 34,801 | $3.06M | 0.04% | +34,801 | New |
| Alpine Peaks Capital, LP | 34,905 | $3.07M | 3.10% | +2,000+6.1% | Added |
| Davy Global Fund Management Ltd | 35,149 | $3.09M | 0.23% | −60−0.2% | Reduced |
| Quantinno Capital Management LP | 36,253 | $3.18M | 0.01% | +27,333+306.4% | Added |
| Raymond James Financial Inc | 36,738 | $3.23M | 0.00% | +14,303+63.8% | Added |
| MetLife Investment Management | 36,866 | $3.24M | 0.02% | −474−1.3% | Reduced |
| Taylor Hoffman Capital Management LLC | 37,236 | $3.27M | 1.01% | +3,328+9.8% | Added |
| Tandem Investment Advisors, Inc. | 37,610 | $3.30M | 0.16% | −7,480−16.6% | Reduced |
| Lazard Asset Management LLC | 37,714 | $3.31M | 0.01% | +20,462+118.6% | Added |
| Numerai GP LLC | 38,046 | $3.34M | 0.34% | +38,046 | New |
| Quadrature Capital Ltd | 38,352 | $3.37M | 0.04% | +38,352 | New |
| Third Avenue Management LLC | 39,120 | $3.44M | 0.56% | +39,120 | New |
| Royal Bank of Canada | 40,207 | $3.53M | 0.00% | +4,439+12.4% | Added |
| Nutshell Asset Management Ltd | 40,644 | $3.57M | 1.96% | +40,644 | New |
| Van Eck Associates Corp | 41,000 | $3.60M | 0.00% | +1,433+3.6% | Added |
| Hussman Strategic Advisors, Inc. | 42,000 | $3.69M | 0.80% | +25,200+150.0% | Added |
| California State Teachers Retirement System | 42,317 | $3.72M | 0.00% | +8,199+24.0% | Added |
| Asset Management One Co.,Ltd. | 45,262 | $3.98M | 0.01% | +1,389+3.2% | Added |
| Public Sector Pension Investment Board | 47,070 | $4.14M | 0.01% | +47,070 | New |
| Y-Intercept (Hong Kong) Ltd | 47,194 | $4.15M | 0.08% | +39,821+540.1% | Added |
| SEI Investments Co | 47,295 | $4.15M | 0.00% | +10,569+28.8% | Added |
| Nicholas Company, Inc. | 47,326 | $4.16M | 0.08% | −225−0.5% | Reduced |
| Renaissance Group LLC | 47,827 | $4.20M | 0.18% | +6,456+15.6% | Added |
| Russell Investments Group, Ltd. | 47,894 | $4.21M | 0.00% | +20,619+75.6% | Added |
| Wells Fargo & Company | 48,834 | $4.29M | 0.00% | −22,711−31.7% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 50,238 | $4.41M | 0.01% | +83+0.2% | Added |
| LPL Financial LLC | 54,161 | $4.76M | 0.00% | −33,107−37.9% | Reduced |
| Herald Investment Management Ltd | 55,000 | $4.83M | 0.67% | −10,000−15.4% | Reduced |
| Qube Research & Technologies Ltd | 55,200 | $4.85M | 0.01% | +38,602+232.6% | Added |
| Susquehanna International Group, LLP | 57,537 | $5.05M | 0.01% | +43,345+305.4% | Added |
| Alapocas Investment Partners, Inc. | 58,123 | $5.11M | 3.86% | +9,212+18.8% | Added |
| SG Americas Securities, LLC | 62,671 | $5.51M | 0.01% | +29,255+87.5% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 62,973 | $5.53M | 0.06% | +27,484+77.4% | Added |
| Victory Capital Management Inc | 66,455 | $5.84M | 0.00% | +34,901+110.6% | Added |
| American Century Companies Inc | 68,677 | $6.03M | 0.00% | −40,086−36.9% | Reduced |
| Swiss National Bank | 71,200 | $6.25M | 0.00% | 00.0% | Unchanged |
| Man Group plc | 73,333 | $6.44M | 0.01% | +3,562+5.1% | Added |
| Vontobel Holding Ltd. | 75,252 | $6.61M | 0.02% | −5,027−6.3% | Reduced |
| Teacher Retirement System of Texas | 75,707 | $6.65M | 0.03% | +24,142+46.8% | Added |
| California Public Employees Retirement System | 75,880 | $6.67M | 0.00% | −21,482−22.1% | Reduced |
| Robeco Institutional Asset Management B.V. | 76,601 | $6.73M | 0.01% | +10,781+16.4% | Added |
| Citigroup Inc | 81,524 | $7.16M | 0.00% | +8,315+11.4% | Added |
| American Capital Management Inc | 83,752 | $7.36M | 0.40% | −320,367−79.3% | Reduced |
| Winmill & Co. Inc | 88,641 | $7.79M | 2.25% | +88,641 | New |
| Janney Montgomery Scott LLC | 89,700 | $7.88M | 0.02% | +2,981+3.4% | Added |
| Nuveen, LLC | 95,035 | $8.35M | 0.00% | +10,814+12.8% | Added |
| Vident Advisory, LLC | 97,283 | $8.55M | 0.07% | +2,502+2.6% | Added |
| Deutsche Bank AG | 101,340 | $8.90M | 0.00% | −21,122−17.2% | Reduced |
| Cullinan Associates Inc | 102,800 | $9.03M | 0.73% | 00.0% | Unchanged |
| Tributary Capital Management, LLC | 103,157 | $9.06M | 0.88% | +97,561+1,743.4% | Added |
| Rhumbline Advisers | 103,852 | $9.12M | 0.01% | −281−0.3% | Reduced |
| Gotham Asset Management, LLC | 110,607 | $9.72M | 0.03% | +33,009+42.5% | Added |
| Price T Rowe Associates Inc | 113,677 | $9.99M | 0.00% | −65,879−36.7% | Reduced |
| Systematic Financial Management LP | 114,026 | $10.0M | 0.23% | +114,026 | New |
| Fisher Asset Management, LLC | 116,182 | $10.2M | 0.00% | −2,561−2.2% | Reduced |
| Oberweis Asset Management Inc | 118,900 | $10.4M | 0.31% | +11,100+10.3% | Added |
| D. E. Shaw & Co., Inc. | 125,112 | $11.0M | 0.01% | +60,962+95.0% | Added |
| Janus Henderson Group PLC | 126,189 | $11.1M | 0.01% | +3,474+2.8% | Added |
| Pacer Advisors, Inc. | 129,693 | $11.4M | 0.03% | +120,679+1,338.8% | Added |
| Barclays PLC | 135,527 | $11.9M | 0.00% | +18,832+16.1% | Added |
| Principal Financial Group Inc | 140,317 | $12.3M | 0.01% | +22,498+19.1% | Added |
| Marshall Wace, LLP | 143,501 | $12.6M | 0.01% | +140,910+5,438.4% | Added |
| Alliancebernstein L.P. | 96,529 | $12.8M | 0.00% | +4,347+4.7% | Added |
| Two Sigma Investments, LP | 155,036 | $13.6M | 0.01% | −51,389−24.9% | Reduced |
| Trexquant Investment LP | 156,021 | $13.7M | 0.10% | +83,516+115.2% | Added |
| Nordea Investment Management AB | 168,031 | $14.5M | 0.01% | +42,395+33.7% | Added |
| Federated Hermes, Inc. | 180,260 | $15.8M | 0.03% | +6,208+3.6% | Added |
| Retirement Systems of Alabama | 181,626 | $16.0M | 0.05% | +926+0.5% | Added |
| Acadian Asset Management LLC | 182,107 | $16.0M | 0.02% | +66,755+57.9% | Added |
| Ameriprise Financial Inc | 183,972 | $16.2M | 0.00% | +5,548+3.1% | Added |
| Great West Life Assurance Co | 188,726 | $16.6M | 0.03% | +34,375+22.3% | Added |
| UBS Group AG | 194,217 | $17.1M | 0.00% | +80,260+70.4% | Added |
| Citadel Advisors LLC | 203,530 | $17.9M | 0.01% | +160,326+371.1% | Added |
| Bank of America Corp | 206,645 | $18.2M | 0.00% | −65,233−24.0% | Reduced |
| Envestnet Asset Management Inc | 207,674 | $18.2M | 0.00% | +57,177+38.0% | Added |
| BNP Paribas Arbitrage, SA | 208,624 | $18.3M | 0.01% | −25,484−10.9% | Reduced |
| Fundsmith LLPSuperinvestorFundsmith | 226,077 | $19.9M | 0.15% | −421,729−65.1% | Reduced |
| Millennium Management LLC | 235,382 | $20.7M | 0.02% | −9,940−4.1% | Reduced |
| Portolan Capital Management, LLC | 239,028 | $21.0M | 1.12% | +187,173+361.0% | Added |
| Fort Washington Investment Advisors Inc | 243,872 | $21.4M | 0.12% | +35,040+16.8% | Added |
| Vanguard Fiduciary Trust Co | 250,359 | $22.0M | 0.01% | +250,359 | New |
| Tudor Investment Corp Et Al | 250,885 | $22.0M | 0.12% | +33,410+15.4% | Added |
| Voya Investment Management LLC | 297,355 | $26.1M | 0.03% | +7,483+2.6% | Added |
| Alyeska Investment Group, L.P. | 304,677 | $26.8M | 0.08% | +304,677 | New |
| Bank of New York Mellon Corp | 318,287 | $28.0M | 0.01% | −11,867−3.6% | Reduced |
| Goldman Sachs Group Inc | 324,180 | $28.5M | 0.00% | −17,117−5.0% | Reduced |
| Clark Capital Management Group, Inc. | 380,459 | $33.4M | 0.21% | +16,866+4.6% | Added |
| Invesco Ltd. | 380,820 | $33.5M | 0.00% | +4,414+1.2% | Added |