← All Qualys, INC filings

Qualys, INC Schedule 13G passive stakes

Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.

NASDAQ
QLYS
Qualys, INC
SCHEDULE: Vanguard Discloses 5.2% Stake in Qualys Inc.
Vanguard Capital Management reports beneficial ownership of 5.2% of Qualys Inc. common stock as of March 31, 2026.
NASDAQ
QLYS
Qualys, INC
SCHEDULE: Vanguard Discloses 7.19% Stake in Qualys Inc.
Vanguard Portfolio Management has reported a beneficial ownership of 7.19% in Qualys Inc. common stock as of March 31, 2026.
NASDAQ
QLYS
Qualys, INC
SCHEDULE: Vanguard Adjusts Qualys Stake Reporting to Zero
The Vanguard Group has amended its Schedule 13G filing for Qualys Inc., reporting 0% beneficial ownership due to an internal organizational realignment.
NASDAQ
QLYS
Qualys, INC
SCHEDULE 13G/A: BlackRock, Inc. Discloses 14.0% Stake in Qualys, Inc. Common Stock
BlackRock, Inc. has filed an amended Schedule 13G, reporting a 14.0% beneficial ownership stake in Qualys, Inc.'s common stock as of March 31, 2025.
NASDAQ
QLYS
Qualys, INC
SCHEDULE 13G/A: BlackRock Discloses 16% Stake in Qualys, Solidifying Position as Major Shareholder
BlackRock, Inc. has filed an amended Schedule 13G, revealing a 16.0% beneficial ownership stake in cybersecurity firm Qualys, Inc. as of December 31, 2024.