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 10 sales; 438 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 |
| Vanguard Portfolio Management LLC | 13G | 7.19%2.57M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.20%1.86M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | 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
24 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 30, 20261:08 PM ET | Vanguard Capital Management LLC | 13G | 5.20%1.86M shares | New | Mar 31, 2026 | SEC |
| Apr 29, 20262:36 PM ET | Vanguard Portfolio Management LLC | 13G | 7.19%2.57M shares | New | Mar 31, 2026 | SEC |
| Mar 27, 202611:36 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| 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 |
| Nov 12, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Nov 5, 2024 | Neuberger Berman Group LLC | 13G/AOld format | – | – | – | SEC |
| Nov 4, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 12, 2024 | Neuberger Berman Group LLC | 13G/AOld format | – | – | – | SEC |
| Jan 22, 20243:52 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Jul 10, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2023 | Neuberger Berman Group LLC | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 23, 20233:52 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Jan 19, 2023 | Philippe Courtot Family Trust | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Neuberger Berman Group LLC | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 8, 2022 | Philippe Courtot Family Trust | 13GOld format | – | New | – | SEC |
| Jan 28, 20221:54 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 12, 2021 | Courtot Philippe F | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2021 | Neuberger Berman Group LLC | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 26, 20216:52 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
76 notices from officers, directors and other affiliates planning to sell Qualys, Inc. shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Nov 2, 20264:28 PM ET | Joo Mi KimOfficer | 2.66K | $595.9K | Nov 2, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Oct 14, 20264:26 PM ET | Sumedh ThakarDirector · Officer | 9.60K | $1.90M | Oct 14, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 20, 20264:32 PM ET | Bruce PoseyOfficer | 2.61K | $487.8K | Aug 20, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 3, 20264:42 PM ET | Joo Mi KimOfficer | 2.66K | $384.6K | Aug 3, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jul 20, 20264:19 PM ET | Bruce PoseyOfficer | 354 | $56.4K | Jul 20, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jul 2, 20264:29 PM ET | Joo Mi KimOfficer | 965 | $138.4K | Jul 2, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 30, 20264:31 PM ET | Sumedh ThakarDirector · Officer | 30.0K | $3.85M | Jun 30, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 29, 20264:42 PM ET | Sumedh ThakarDirector · Officer | 10.0K | $1.23M | Jun 29, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 26, 20264:32 PM ET | Sumedh ThakarDirector · Officer | 13.2K | $1.53M | Jun 26, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 12, 20264:37 PM ET | Thomas BerquistDirector | 1.45K | $160.7K | Jun 12, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 11, 20264:29 PM ET | Jeffrey HankDirector | 940 | $103.6K | Jun 11, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 2, 20264:36 PM ET | Joo Mi KimOfficer | 1.03K | $117.6K | Jun 2, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 1, 20264:44 PM ET | Sumedh ThakarDirector · Officer | 22.8K | $2.49M | Jun 1, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 22, 20264:36 PM ET | Wendy M. PfeifferDirector | 2.00K | $201.7K | May 22, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 19, 20264:36 PM ET | Joo Mi KimOfficer | 1.63K | $159.4K | May 19, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 19, 20264:35 PM ET | Bruce PoseyOfficer | 5.64K | $552.8K | May 19, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Feb 4, 20264:22 PM ET | Joo Mi KimOfficer | 6.80K | $867.0K | Feb 4, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Feb 2, 20264:35 PM ET | Joo Mi KimOfficer | 3.41K | $450.3K | Feb 2, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jan 20, 20264:27 PM ET | Bruce PoseyOfficer | 1.80K | $242.4K | Jan 20, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Dec 15, 20254:33 PM ET | Sumedh ThakarDirector · Officer | 17.2K | $2.62M | Dec 15, 202510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Dec 3, 20254:38 PM ET | Bruce K. PoseyOfficer | 5.61K | $817.3K | Dec 3, 202510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Dec 2, 20254:23 PM ET | Joo Mi KimOfficer | 20.9K | $2.99M | Dec 2, 202510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Nov 21, 20254:44 PM ET | Joo Mi KimOfficer | 7.69K | $1.06M | Nov 21, 202510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Oct 14, 20254:19 PM ET | Sumedh Shrinand ThakarDirector · Officer | 25.5K | $3.26M | Oct 14, 202510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 27, 20251:20 PM ET | Zangardi John A.Director | 5.29K | $714.3K | Aug 27, 2025 | Charles Schwab Corp. | SEC |
Showing the latest 25. See the QLYS notices from the last 12 months