Qualys, Inc.
Qualys, Inc. (QLYS) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · QLYS · as of Sep 30, 2025
Ownership Breakdown
439
Institutional Holders
▼ 3 vs Q2
$4.69B
Total Inst. Value
▼ $316.48M vs Q2
35.22M
Shares Outstanding
freeFloat 99.35%
35.40M
13F Shares Held
▲ 382,819 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
QLYS largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. services-prepackaged software | 5.48M | 15.11% | 15.11% | $724.89B | Nov 12, 2025 | ▼ 145.9K |
VANGUARD GROUP INC services-prepackaged software | 4.40M | 12.14% | 12.14% | $582.49B | Nov 7, 2025 | ▲ 124.0K |
STATE STREET CORP services-prepackaged software | 1.39M | 3.83% | 3.83% | $183.79B | Nov 14, 2025 | ▼ 23.1K |
GEODE CAPITAL MANAGEMENT, LLC services-prepackaged software | 1.21M | 3.33% | 3.33% | $161.03B | Nov 12, 2025 | ▲ 3.1K |
BOSTON TRUST WALDEN CORP services-prepackaged software | 1.15M | 3.16% | 3.16% | $151.69B | Oct 17, 2025 | ▲ 8.4K |
FIRST TRUST ADVISORS LP services-prepackaged software | 1.11M | 3.05% | 3.05% | $146.31B | Nov 12, 2025 | ▼ 10.1K |
LEGAL & GENERAL GROUP PLC services-prepackaged software | 1.08M | 2.98% | 2.98% | $143.05B | Nov 13, 2025 | ▲ 29.3K |
NEUBERGER BERMAN GROUP LLC services-prepackaged software | 1.05M | 2.90% | 2.90% | $138.89B | Nov 12, 2025 | ▼ 25.0K |
AQR CAPITAL MANAGEMENT LLC services-prepackaged software | 1.01M | 2.79% | 2.79% | $133.76B | Nov 14, 2025 | ▼ 1.3K |
FUNDSMITH LLP services-prepackaged software | 870.9K | 2.40% | 2.40% | $115.24B | Nov 14, 2025 | ▲ 152.3K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
26
Increased
+849.6K shares2
New Positions
first time holders21
Decreased
−743.2K shares0
Sold Out
fully exitedNet shares change (top 50)
+106.5K
+849.6K / −743.2K
Net new holders
+7
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
QLYS insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
17
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Kim Joo Mi CHIEF FINANCIAL OFFICER | Jun 2, 2026 | Sale | 306 | $109.78 | $33.6K | 82.9K | Form 4 ↗ |
Kim Joo Mi CHIEF FINANCIAL OFFICER | Jun 2, 2026 | Sale | 153 | $110.60 | $16.9K | 82.8K | Form 4 ↗ |
Kim Joo Mi CHIEF FINANCIAL OFFICER | Jun 2, 2026 | Sale | 153 | $112.05 | $17.1K | 82.6K | Form 4 ↗ |
Kim Joo Mi CHIEF FINANCIAL OFFICER | Jun 2, 2026 | Sale | 419 | $113.29 | $47.5K | 82.2K | Form 4 ↗ |
Thakar Sumedh S CEO & PRESIDENT | Jun 1, 2026 | Sale | 600 | $112.46 | $67.5K | 262.5K | Form 4 ↗ |
Thakar Sumedh S CEO & PRESIDENT | Jun 1, 2026 | Sale | 1,700 | $113.95 | $193.7K | 260.8K | Form 4 ↗ |
Thakar Sumedh S CEO & PRESIDENT | Jun 1, 2026 | Sale | 10,861 | $114.97 | $1.25M | 249.9K | Form 4 ↗ |
Thakar Sumedh S CEO & PRESIDENT | Jun 1, 2026 | Sale | 39 | $115.57 | $4.5K | 249.9K | Form 4 ↗ |
Pfeiffer Wendy director | May 22, 2026 | Sale | 500 | $101.21 | $50.6K | 10.6K | Form 4 ↗ |
POSEY BRUCE K CHIEF LEGAL OFFICER | May 19, 2026 | Sale | 2,334 | $100.16 | $233.8K | 66.4K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Qualys, Inc. (QLYS) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 0.65%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Qualys, Inc. is BLACKROCK, INC., holding approximately 5.48 million shares — equal to 15.11% of outstanding shares — as of September 30, 2025.
A total of 439 institutional investors currently hold QLYS stock, with a combined institutional value of approximately $4.69 billion as of the most recent 13F filing period.
Frequently asked questions
QLYS ownershipQualys, Inc. (QLYS) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is BLACKROCK, INC. with a 15.11% stake. Company insiders hold 0.65%. Data sourced from SEC Form 13F as of September 30, 2025.