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, 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 | $4.88B |
| Q3 2025 | 431 | $4.76B |
| Q2 2025 | 437 | $5.02B |
| Q1 2025 | 428 | $4.44B |
| Q4 2024 | 451 | $5.04B |
| Q3 2024 | 436 | $4.74B |
| Q2 2024 | 467 | $5.36B |
| Q1 2024 | 453 | $6.57B |
| Q4 2023 | 464 | $7.59B |
| Q3 2023 | 409 | $5.47B |
| Q2 2023 | 386 | $4.58B |
| Q1 2023 | 391 | $4.69B |
| Q4 2022 | 392 | $3.96B |
| Q3 2022 | 395 | $4.95B |
| Q2 2022 | 365 | $4.42B |
| Q1 2022 | 361 | $5.07B |
| Q4 2021 | 360 | $4.86B |
| Q3 2021 | 339 | $3.82B |
| Q2 2021 | 327 | $3.45B |
| Q1 2021 | 317 | $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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 5,360,596 | $470.9M | 0.01% | −12,500−0.2% | Reduced |
| Vanguard Portfolio Management LLC | 2,537,126 | $222.9M | 0.01% | +2,537,126 | New |
| Vanguard Capital Management LLC | 1,584,606 | $139.2M | 0.00% | +1,584,606 | New |
| State Street Corp | 1,388,720 | $122.0M | 0.00% | +40,627+3.0% | Added |
| Geode Capital Management, LLC | 1,320,909 | $116.1M | 0.01% | +64,907+5.2% | Added |
| AQR Capital Management LLC | 1,038,928 | $90.8M | 0.04% | +405,457+64.0% | Added |
| Legal & General Group Plc | 1,029,587 | $90.4M | 0.02% | −126,825−11.0% | Reduced |
| Boston Trust Walden Corp | 1,010,376 | $88.8M | 0.73% | −93,512−8.5% | Reduced |
| First Trust Advisors LP | 996,064 | $87.5M | 0.06% | −376,523−27.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 832,796 | $73.2M | 0.04% | +465,952+127.0% | Added |
| Dimensional Fund Advisors LP | 763,099 | $67.0M | 0.01% | +45,718+6.4% | Added |
| JPMorgan Chase & Co | 760,842 | $66.9M | 0.00% | +272,147+55.7% | Added |
| Penserra Capital Management LLC | 732,504 | $64.3M | 0.75% | +185,429+33.9% | Added |
| Morgan Stanley | 646,426 | $56.8M | 0.00% | −45,374−6.6% | Reduced |
| Adviser Investments LLC | 548,760 | $48.2M | 0.53% | −39,988−6.8% | Reduced |
| Northern Trust Corp | 510,546 | $44.9M | 0.01% | −2,103−0.4% | Reduced |
| Charles Schwab Investment Management Inc | 502,419 | $44.1M | 0.01% | +32,108+6.8% | Added |
| Renaissance Technologies LLC | 497,600 | $43.7M | 0.07% | +17,300+3.6% | Added |
| Neuberger Berman Group LLC | 470,116 | $41.3M | 0.03% | −344,961−42.3% | Reduced |
| CDAM (UK) Ltd | 469,001 | $41.2M | 9.14% | +82,351+21.3% | Added |
| London Co of Virginia | 466,342 | $41.0M | 0.25% | +77,088+19.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 438,572 | $38.5M | 0.05% | +15,757+3.7% | Added |
| UBS Asset Management Americas Inc | 416,587 | $36.6M | 0.01% | −14,298−3.3% | Reduced |
| Invesco Ltd. | 380,820 | $33.5M | 0.00% | +4,414+1.2% | Added |
| Clark Capital Management Group, Inc. | 380,459 | $33.4M | 0.21% | +16,866+4.6% | Added |
| Goldman Sachs Group Inc | 324,180 | $28.5M | 0.00% | −17,117−5.0% | Reduced |
| Bank of New York Mellon Corp | 318,287 | $28.0M | 0.01% | −11,867−3.6% | Reduced |
| Alyeska Investment Group, L.P. | 304,677 | $26.8M | 0.08% | +304,677 | New |
| Voya Investment Management LLC | 297,355 | $26.1M | 0.03% | +7,483+2.6% | Added |
| Tudor Investment Corp Et Al | 250,885 | $22.0M | 0.12% | +33,410+15.4% | Added |
| Vanguard Fiduciary Trust Co | 250,359 | $22.0M | 0.01% | +250,359 | New |
| Fort Washington Investment Advisors Inc | 243,872 | $21.4M | 0.12% | +35,040+16.8% | Added |
| Portolan Capital Management, LLC | 239,028 | $21.0M | 1.12% | +187,173+361.0% | Added |
| Millennium Management LLC | 235,382 | $20.7M | 0.02% | −9,940−4.1% | Reduced |
| Fundsmith LLPSuperinvestorFundsmith | 226,077 | $19.9M | 0.15% | −421,729−65.1% | Reduced |
| BNP Paribas Arbitrage, SA | 208,624 | $18.3M | 0.01% | −25,484−10.9% | Reduced |
| Envestnet Asset Management Inc | 207,674 | $18.2M | 0.00% | +57,177+38.0% | Added |
| Bank of America Corp | 206,645 | $18.2M | 0.00% | −65,233−24.0% | Reduced |
| Citadel Advisors LLC | 203,530 | $17.9M | 0.01% | +160,326+371.1% | Added |
| UBS Group AG | 194,217 | $17.1M | 0.00% | +80,260+70.4% | Added |
| Great West Life Assurance Co | 188,726 | $16.6M | 0.03% | +34,375+22.3% | Added |
| Ameriprise Financial Inc | 183,972 | $16.2M | 0.00% | +5,548+3.1% | Added |
| Acadian Asset Management LLC | 182,107 | $16.0M | 0.02% | +66,755+57.9% | Added |
| Retirement Systems of Alabama | 181,626 | $16.0M | 0.05% | +926+0.5% | Added |
| Federated Hermes, Inc. | 180,260 | $15.8M | 0.03% | +6,208+3.6% | Added |
| Nordea Investment Management AB | 168,031 | $14.5M | 0.01% | +42,395+33.7% | Added |
| Trexquant Investment LP | 156,021 | $13.7M | 0.10% | +83,516+115.2% | Added |
| Two Sigma Investments, LP | 155,036 | $13.6M | 0.01% | −51,389−24.9% | Reduced |
| Alliancebernstein L.P. | 96,529 | $12.8M | 0.00% | +4,347+4.7% | Added |
| Marshall Wace, LLP | 143,501 | $12.6M | 0.01% | +140,910+5,438.4% | Added |
| Principal Financial Group Inc | 140,317 | $12.3M | 0.01% | +22,498+19.1% | Added |
| Barclays PLC | 135,527 | $11.9M | 0.00% | +18,832+16.1% | Added |
| Pacer Advisors, Inc. | 129,693 | $11.4M | 0.03% | +120,679+1,338.8% | Added |
| Janus Henderson Group PLC | 126,189 | $11.1M | 0.01% | +3,474+2.8% | Added |
| D. E. Shaw & Co., Inc. | 125,112 | $11.0M | 0.01% | +60,962+95.0% | Added |
| Oberweis Asset Management Inc | 118,900 | $10.4M | 0.31% | +11,100+10.3% | Added |
| Fisher Asset Management, LLC | 116,182 | $10.2M | 0.00% | −2,561−2.2% | Reduced |
| Systematic Financial Management LP | 114,026 | $10.0M | 0.23% | +114,026 | New |
| Price T Rowe Associates Inc | 113,677 | $9.99M | 0.00% | −65,879−36.7% | Reduced |
| Gotham Asset Management, LLC | 110,607 | $9.72M | 0.03% | +33,009+42.5% | Added |
| Rhumbline Advisers | 103,852 | $9.12M | 0.01% | −281−0.3% | Reduced |
| Tributary Capital Management, LLC | 103,157 | $9.06M | 0.88% | +97,561+1,743.4% | Added |
| Cullinan Associates Inc | 102,800 | $9.03M | 0.73% | 00.0% | Unchanged |
| Deutsche Bank AG | 101,340 | $8.90M | 0.00% | −21,122−17.2% | Reduced |
| Vident Advisory, LLC | 97,283 | $8.55M | 0.07% | +2,502+2.6% | Added |
| Nuveen, LLC | 95,035 | $8.35M | 0.00% | +10,814+12.8% | Added |
| Janney Montgomery Scott LLC | 89,700 | $7.88M | 0.02% | +2,981+3.4% | Added |
| Winmill & Co. Inc | 88,641 | $7.79M | 2.25% | +88,641 | New |
| American Capital Management Inc | 83,752 | $7.36M | 0.40% | −320,367−79.3% | Reduced |
| Citigroup Inc | 81,524 | $7.16M | 0.00% | +8,315+11.4% | Added |
| Robeco Institutional Asset Management B.V. | 76,601 | $6.73M | 0.01% | +10,781+16.4% | Added |
| California Public Employees Retirement System | 75,880 | $6.67M | 0.00% | −21,482−22.1% | Reduced |
| Teacher Retirement System of Texas | 75,707 | $6.65M | 0.03% | +24,142+46.8% | Added |
| Vontobel Holding Ltd. | 75,252 | $6.61M | 0.02% | −5,027−6.3% | Reduced |
| Man Group plc | 73,333 | $6.44M | 0.01% | +3,562+5.1% | Added |
| Swiss National Bank | 71,200 | $6.25M | 0.00% | 00.0% | Unchanged |
| American Century Companies Inc | 68,677 | $6.03M | 0.00% | −40,086−36.9% | Reduced |
| Victory Capital Management Inc | 66,455 | $5.84M | 0.00% | +34,901+110.6% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 62,973 | $5.53M | 0.06% | +27,484+77.4% | Added |
| SG Americas Securities, LLC | 62,671 | $5.51M | 0.01% | +29,255+87.5% | Added |
| Alapocas Investment Partners, Inc. | 58,123 | $5.11M | 3.86% | +9,212+18.8% | Added |
| Susquehanna International Group, LLP | 57,537 | $5.05M | 0.01% | +43,345+305.4% | Added |
| Qube Research & Technologies Ltd | 55,200 | $4.85M | 0.01% | +38,602+232.6% | Added |
| Herald Investment Management Ltd | 55,000 | $4.83M | 0.67% | −10,000−15.4% | Reduced |
| LPL Financial LLC | 54,161 | $4.76M | 0.00% | −33,107−37.9% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 50,238 | $4.41M | 0.01% | +83+0.2% | Added |
| Wells Fargo & Company | 48,834 | $4.29M | 0.00% | −22,711−31.7% | Reduced |
| Russell Investments Group, Ltd. | 47,894 | $4.21M | 0.00% | +20,619+75.6% | Added |
| Renaissance Group LLC | 47,827 | $4.20M | 0.18% | +6,456+15.6% | Added |
| Nicholas Company, Inc. | 47,326 | $4.16M | 0.08% | −225−0.5% | Reduced |
| SEI Investments Co | 47,295 | $4.15M | 0.00% | +10,569+28.8% | Added |
| Y-Intercept (Hong Kong) Ltd | 47,194 | $4.15M | 0.08% | +39,821+540.1% | Added |
| Public Sector Pension Investment Board | 47,070 | $4.14M | 0.01% | +47,070 | New |
| Asset Management One Co.,Ltd. | 45,262 | $3.98M | 0.01% | +1,389+3.2% | Added |
| California State Teachers Retirement System | 42,317 | $3.72M | 0.00% | +8,199+24.0% | Added |
| Hussman Strategic Advisors, Inc. | 42,000 | $3.69M | 0.80% | +25,200+150.0% | Added |
| Van Eck Associates Corp | 41,000 | $3.60M | 0.00% | +1,433+3.6% | Added |
| Nutshell Asset Management Ltd | 40,644 | $3.57M | 1.96% | +40,644 | New |
| Royal Bank of Canada | 40,207 | $3.53M | 0.00% | +4,439+12.4% | Added |
| Third Avenue Management LLC | 39,120 | $3.44M | 0.56% | +39,120 | New |