Institutional Ownership
Qualys Inc
CUSIP 74758T303COMQLYSQ1 2026
13D / 13G Filings
25
Schedule 13D/13G on record
Beneficial Filers
6
Distinct reporting persons
Largest Stake
16.0%
Max % of class reported
Institutional Holders
410
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
25 filings · latest Apr 29, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Apr 29, 2025 | Blackrock, Inc. | 13G/A | 14.0% | 5.09M | SEC |
| 2 | Feb 5, 2025 | Blackrock, Inc. | 13G/A | 16.0% | 5.86M | SEC |
| 3 | Nov 12, 2024 | Vanguard Group Inc | 13G/A | 11.3% | 4.18M | SEC |
| 4 | Nov 5, 2024 | Neuberger Berman Group LLC | 13G/A | 3.6% | 1.34M | SEC |
| 5 | Nov 4, 2024 | Vanguard Group Inc | 13G/A | 11.3% | 4.18M | SEC |
| 6 | Feb 13, 2024 | Vanguard Group Inc | 13G/A | 10.2% | 3.76M | SEC |
| 7 | Feb 12, 2024 | Neuberger Berman Group LLC | 13G/A | 5.3% | 1.94M | SEC |
| 8 | Jan 22, 2024 | Blackrock Inc. | 13G/A | 14.8% | 5.44M | SEC |
| 9 | Jul 10, 2023 | Vanguard Group Inc | 13G/A | 10.0% | 3.69M | SEC |
| 10 | Feb 10, 2023 | Neuberger Berman Group LLC | 13G/A | 5.4% | 2.05M | SEC |
15 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Qualys Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 5.36M | $470.93M |
| 2 | State Street Corp | 1.39M | $122.00M |
| 3 | Geode Capital Management, LLC | 1.32M | $116.06M |
| 4 | Aqr Capital Management LLC | 1.04M | $90.84M |
| 5 | Legal & General Group PLC | 1.03M | $90.45M |
| 6 | Boston Trust Walden Corp | 1.01M | $88.76M |
| 7 | First Trust Advisors LP | 996.1K | $87.50M |
| 8 | Arrowstreet Capital, Limited Partnership | 832.8K | $73.16M |
| 9 | Dimensional Fund Advisors LP | 763.1K | $67.04M |
| 10 | Jpmorgan Chase & Co | 760.8K | $66.89M |