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.
Holders of 5% or more of QLYS
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Qualys, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 14.00%5.09M shares | −2.00 ppfrom 16.00% | Feb 5, 20252 filings | Apr 29, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
2 Schedule 13D and 13G filings on Qualys, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 29, 20254:44 PM ET | BlackRock, Inc. | 13G/A | 14.00%5.09M shares | −2.00 ppfrom 16.00% | Mar 31, 2025 | SEC |
| Feb 5, 20251:23 PM ET | BlackRock, Inc. | 13G/A | 16.00%5.86M shares | – | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Qualys, Inc. shares.
No Form 144 notices for Qualys, Inc. are on file.