Qualys, Inc. Common Stock (QLYS) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for QLYS. 13F holdings as of 2026-03-31.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 5,360,596 | $471M | DECREASED |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2,537,126 | $223M | NEW |
| VANGUARD CAPITAL MANAGEMENT LLC | 1,584,606 | $139M | NEW |
| STATE STREET CORP | 1,388,720 | $122M | INCREASED |
| GEODE CAPITAL MANAGEMENT, LLC | 1,320,909 | $116M | INCREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Bruce K Posey (CHIEF LEGAL OFFICER) | SELL | 123 | $14K | 2026-06-22 |
| Bruce K Posey (CHIEF LEGAL OFFICER) | SELL | 41 | $5K | 2026-06-22 |
| Bruce K Posey (CHIEF LEGAL OFFICER) | SELL | 188 | $21K | 2026-06-22 |
| Bruce K Posey (CHIEF LEGAL OFFICER) | SELL | 465 | $51K | 2026-06-22 |
| Bruce K Posey (CHIEF LEGAL OFFICER) | SELL | 48 | $5K | 2026-06-22 |
Full institutional holdings, insider history, and congressional trades for Qualys, Inc. Common Stock on SentiSense.