QualysQLYS
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 422 institutions reported holding Qualys Inc. (QLYS) in their 13F filings, down 27 from Q4 2025. 57 opened new positions and 81 sold out. The largest holders were BlackRock, Inc. ($470.9M), Vanguard Portfolio Management LLC ($222.9M) and Vanguard Capital Management LLC ($139.2M). 10 famous investors held it, including Terry Smith (0.2% of Fundsmith's portfolio), Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio) and Jim Simons / Peter Brown (0.1% of Renaissance Technologies's portfolio).
- Company
- Qualys Inc.
- CUSIP
- 74758T303
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 57 | $88.7M |
| Exits | 81 | $152.4M |
All 13F filers, Q4 2025 → Q1 2026: 4,806,752 shares bought and 3,602,719 shares sold, net +1,204,033 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 422 holders
| BlackRock, Inc. | 0.01% | Reduce -0.2% | 5,360,596 | $470.9M |
| Vanguard Portfolio Management LLC | 0.01% | — | 2,537,126 | $222.9M |
| Vanguard Capital Management LLC | 0.00% | — | 1,584,606 | $139.2M |
| State Street Corp. | 0.00% | Add +3.0% | 1,388,720 | $122.0M |
| Geode Capital Management, LLC | 0.01% | Add +5.2% | 1,320,909 | $116.1M |
| AQR Capital Management | 0.04% | Add +64.0% | 1,038,928 | $90.8M |
| Legal & General Group Plc | 0.02% | Reduce -11.0% | 1,029,587 | $90.4M |
| Boston Trust Walden Corp | 0.73% | Reduce -8.5% | 1,010,376 | $88.8M |
| First Trust Advisors LP | 0.06% | Reduce -27.4% | 996,064 | $87.5M |
| Arrowstreet Capital, Limited Partnership | 0.04% | Add +127.0% | 832,796 | $73.2M |
| Dimensional Fund Advisors LP | 0.01% | Add +6.4% | 763,099 | $67.0M |
| JPMorgan Chase & Co. | 0.00% | Add +55.7% | 760,842 | $66.9M |
| Penserra Capital Management LLC | 0.76% | Add +33.9% | 732,504 | $64.3M |
| Morgan Stanley | 0.00% | Reduce -6.6% | 646,426 | $56.8M |
| Rwa Wealth Partners, LLC | 0.53% | Reduce -6.8% | 548,760 | $48.2M |
| Northern Trust Corp. | 0.01% | Reduce -0.4% | 510,546 | $44.9M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +6.8% | 502,419 | $44.1M |
| Renaissance Technologies | 0.07% | Add +3.6% | 497,600 | $43.7M |
| Neuberger Berman Group LLC | 0.03% | Reduce -42.3% | 470,116 | $41.3M |
| CDAM (UK) Ltd | 9.14% | Add +21.3% | 469,001 | $41.2M |
| London Co. of Virginia | 0.25% | Add +19.8% | 466,342 | $41.0M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.05% | Add +3.7% | 438,572 | $38.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Reduce -3.3% | 416,587 | $36.6M |
| Invesco Ltd. | 0.00% | Add +1.2% | 380,820 | $33.5M |
| Clark Capital Management Group, Inc. | 0.21% | Add +4.6% | 380,459 | $33.4M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -5.0% | 324,180 | $28.5M |
| Bank of New York Mellon Corp | 0.01% | Reduce -3.6% | 318,287 | $28.0M |
| Alyeska Investment Group, L.P. | 0.08% | New | 304,677 | $26.8M |
| Voya Investment Management LLC | 0.03% | Add +2.6% | 297,355 | $26.1M |
| Tudor Investment Corporation | 0.12% | Add +15.4% | 250,885 | $22.0M |
| Vanguard Fiduciary Trust Co. | 0.01% | — | 250,359 | $22.0M |
| Fort Washington Investment Advisors Inc. | 0.12% | Add +16.8% | 243,872 | $21.4M |
| Portolan Capital Management, LLC | 1.12% | Add +360.9% | 239,028 | $21.0M |
| Millennium Management | 0.02% | Reduce -4.0% | 235,382 | $20.7M |
| Fundsmith | 0.15% | Reduce -65.1% | 226,077 | $19.9M |
| BNP Paribas Financial Markets | 0.01% | Reduce -10.9% | 208,624 | $18.3M |
| Envestnet Asset Management Inc. | 0.00% | Add +38.0% | 207,674 | $18.2M |
| Bank of America Corp. | 0.00% | Reduce -24.0% | 206,645 | $18.2M |
| Citadel Advisors | 0.01% | Add +371.1% | 203,530 | $17.9M |
| UBS Group AG | 0.00% | Add +70.4% | 194,217 | $17.1M |
| CANADA LIFE ASSURANCE Co | 0.03% | Add +22.3% | 188,726 | $16.6M |
| Ameriprise Financial Inc. | 0.00% | Add +3.1% | 183,972 | $16.2M |
| Acadian Asset Management LLC | 0.02% | Add +57.9% | 182,107 | $16.0M |
| Retirement Systems of Alabama | 0.05% | Add +0.5% | 181,626 | $16.0M |
| Federated Hermes, Inc. | 0.03% | Add +3.6% | 180,260 | $15.8M |
| Nordea Investment Management AB | 0.01% | Add +33.7% | 168,031 | $14.5M |
| Trexquant Investment LP | 0.10% | Add +115.2% | 156,021 | $13.7M |
| Two Sigma Investments, LP | 0.01% | Reduce -24.9% | 155,036 | $13.6M |
| Alliancebernstein L.P. | 0.00% | Add +4.7% | 96,529 | $12.8M |
| Marshall Wace, LLP | 0.01% | Add +5438.4% | 143,501 | $12.6M |
| Principal Financial Group Inc. | 0.01% | Add +19.1% | 140,317 | $12.3M |
| Barclays PLC | 0.00% | Add +16.1% | 135,527 | $11.9M |
| Pacer Advisors, Inc. | 0.03% | Add +1338.8% | 129,693 | $11.4M |
| Janus Henderson Group PLC | 0.01% | Add +2.8% | 126,189 | $11.1M |
| D. E. Shaw & Co. | 0.01% | Add +95.0% | 125,112 | $11.0M |
| Oberweis Asset Management Inc./ | 0.31% | Add +10.3% | 118,900 | $10.4M |
| Fisher Asset Management | 0.00% | Reduce -2.2% | 116,182 | $10.2M |
| Systematic Financial Management LP | 0.23% | New | 114,026 | $10.0M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -36.7% | 113,677 | $10.0M |
| Gotham Asset Management | 0.03% | Add +42.5% | 110,607 | $9.7M |
| Rhumbline Advisers | 0.01% | Reduce -0.3% | 103,852 | $9.1M |
| Tributary Capital Management, LLC | 0.88% | Add +1743.4% | 103,157 | $9.1M |
| Cullinan Associates Inc. | 0.73% | No change | 102,800 | $9.0M |
| Deutsche Bank AG | 0.00% | Reduce -17.3% | 101,340 | $8.9M |
| Vident Advisory, LLC | 0.07% | Add +2.6% | 97,283 | $8.5M |
| Nuveen, LLC | 0.00% | Add +12.8% | 95,035 | $8.3M |
| Janney Montgomery Scott LLC | 0.02% | Add +3.4% | 89,700 | $7.9M |
| Winmill & Co. Inc. | 2.25% | New | 88,641 | $7.8M |
| American Capital Management Inc. | 0.40% | Reduce -79.3% | 83,752 | $7.4M |
| Citigroup Inc. | 0.00% | Add +11.4% | 81,524 | $7.2M |
| Robeco Institutional Asset Management B.V. | 0.01% | Add +16.4% | 76,601 | $6.7M |
| California Public Employees Retirement System | 0.00% | Reduce -22.1% | 75,880 | $6.7M |
| Teacher Retirement System of Texas | 0.03% | Add +46.8% | 75,707 | $6.7M |
| Vontobel Holding Ltd. | 0.02% | Reduce -6.3% | 75,252 | $6.6M |
| Man Group plc | 0.01% | Add +5.1% | 73,333 | $6.4M |
| Swiss National Bank | 0.00% | No change | 71,200 | $6.3M |
| American Century Companies Inc. | 0.00% | Reduce -36.9% | 68,677 | $6.0M |
| Victory Capital Management Inc. | 0.00% | Add +110.6% | 66,455 | $5.8M |
| BI Asset Management Fondsmaeglerselskab A/S | 0.06% | Add +77.4% | 62,973 | $5.5M |
| SG Americas Securities, LLC | 0.01% | Add +87.5% | 62,671 | $5.5M |
| Park State Asset Management | 3.86% | Add +18.8% | 58,123 | $5.1M |
| Susquehanna International Group, LLP | 0.01% | Add +305.4% | 57,537 | $5.1M |
| Qube Research & Technologies Ltd | 0.01% | Add +232.6% | 55,200 | $4.8M |
| HERALD INVESTMENT MANAGEMENT Ltd | 0.67% | Reduce -15.4% | 55,000 | $4.8M |
| LPL Financial LLC | 0.00% | Reduce -37.9% | 54,161 | $4.8M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.01% | Add +0.2% | 50,238 | $4.4M |
| Wells Fargo & Company | 0.00% | Reduce -31.7% | 48,834 | $4.3M |
| Russell Investments Group, Ltd. | 0.00% | Add +75.6% | 47,894 | $4.2M |
| Renaissance Group LLC | 0.18% | Add +15.6% | 47,827 | $4.2M |
| Nicholas Company, Inc. | 0.08% | Reduce -0.5% | 47,326 | $4.2M |
| Sei Investments Co. | 0.00% | Add +28.8% | 47,295 | $4.2M |
| Y-Intercept (Hong Kong) Ltd | 0.08% | Add +540.1% | 47,194 | $4.1M |
| Public Sector Pension Investment Board | 0.01% | New | 47,070 | $4.1M |
| Asset Management One Co., Ltd. | 0.01% | Add +3.2% | 45,262 | $4.0M |
| California State Teachers Retirement System | 0.00% | Add +24.0% | 42,317 | $3.7M |
| Hussman Strategic Advisors, Inc. | 0.80% | Add +150.0% | 42,000 | $3.7M |
| Van Eck Associates Corp. | 0.00% | Add +3.6% | 41,000 | $3.6M |
| Nutshell Asset Management Ltd | 1.96% | New | 40,644 | $3.6M |
| Royal Bank of Canada | 0.00% | Add +12.4% | 40,207 | $3.5M |
| Third Avenue Management LLC | 0.56% | New | 39,120 | $3.4M |
"% of holder's portfolio" is QLYS's weight in each manager's 13F, not the share of Qualys Inc. the manager owns.