Stocks › QLYS
QUALYS, INC.
QLYS·Nasdaq·
United States·USD
$199.93
+1.25 (+0.63%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
QLYS
QUALYS, INC. · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
QLYSS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of QLYS by members of U.S. Congress · 15 on record · 6 in the last 12 months
Whale Activity
Position changes in QLYS reported for 2026-06-30 by 12 tracked institutional filers
- Increased5
- New1
- Held0
- Decreased3
- Closed1
- No prior filing2
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 5.8M | $792.3M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.7M | $370.7M | increased |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.6M | $218.7M | increased |
| MILLENNIUM MANAGEMENT LLC | 762.7K | $104.9M | increased |
| CITADEL ADVISORS LLC | 378.1K | $52.0M | increased |
| Point72 Asset Management, L.P. | 285.9K | $39.3M | new |
| RENAISSANCE TECHNOLOGIES LLC | 284.1K | $39.1M | decreased |
| THIRD AVENUE MANAGEMENT LLC | 39.1K | $5.4M | — |
| D. E. Shaw & Co., Inc. | 19.9K | $2.7M | decreased |
| TWO SIGMA INVESTMENTS, LP | 16.9K | $2.3M | decreased |
| Alpine Peaks Capital, LP | 10.1K | $1.4M | — |
| Bridgewater Associates | 0 | $0 | closed |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by QLYS insiders, by quarter · Form 4
Recent Insider Transactions
2,421 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| POSEY BRUCE KCHIEF LEGAL OFFICER | Sale | −72 | $175.54 | $13K | Sep 21, 2026 | Form 4 ↗ |
| POSEY BRUCE KCHIEF LEGAL OFFICER | Sale | −327 | $179.95 | $59K | Sep 21, 2026 | Form 4 ↗ |
| POSEY BRUCE KCHIEF LEGAL OFFICER | Sale | −27 | $177.98 | $5K | Sep 21, 2026 | Form 4 ↗ |
| POSEY BRUCE KCHIEF LEGAL OFFICER | Sale | −241 | $178.96 | $43K | Sep 21, 2026 | Form 4 ↗ |
| POSEY BRUCE KCHIEF LEGAL OFFICER | Sale | −199 | $181.03 | $36K | Sep 21, 2026 | Form 4 ↗ |
| Thakar Sumedh SCEO & PRESIDENT · Director | Sale | −500 | $173.92 | $87K | Sep 14, 2026 | Form 4 ↗ |
| Thakar Sumedh SCEO & PRESIDENT · Director | Sale | −300 | $162.43 | $49K | Sep 14, 2026 | Form 4 ↗ |
| Thakar Sumedh SCEO & PRESIDENT · Director | Sale | −200 | $169.34 | $34K | Sep 14, 2026 | Form 4 ↗ |
| Thakar Sumedh SCEO & PRESIDENT · Director | Sale | −200 | $159.28 | $32K | Sep 14, 2026 | Form 4 ↗ |
| Thakar Sumedh SCEO & PRESIDENT · Director | Sale | −1,500 | $172.92 | $259K | Sep 14, 2026 | Form 4 ↗ |
| Thakar Sumedh SCEO & PRESIDENT · Director | Sale | −100 | $174.71 | $17K | Sep 14, 2026 | Form 4 ↗ |
| Thakar Sumedh SCEO & PRESIDENT · Director | Sale | −100 | $170.90 | $17K | Sep 14, 2026 | Form 4 ↗ |
| Thakar Sumedh SCEO & PRESIDENT · Director | Sale | −100 | $167.58 | $17K | Sep 14, 2026 | Form 4 ↗ |
| Thakar Sumedh SCEO & PRESIDENT · Director | Sale | −100 | $165.94 | $17K | Sep 14, 2026 | Form 4 ↗ |
| Thakar Sumedh SCEO & PRESIDENT · Director | Sale | −100 | $154.39 | $15K | Sep 14, 2026 | Form 4 ↗ |
| Kim Joo MiCHIEF FINANCIAL OFFICER | Sale | −293 | $167.49 | $49K | Sep 2, 2026 | Form 4 ↗ |
| Kim Joo MiCHIEF FINANCIAL OFFICER | Sale | −265 | $171.14 | $45K | Sep 2, 2026 | Form 4 ↗ |
| Kim Joo MiCHIEF FINANCIAL OFFICER | Sale | −204 | $170.05 | $35K | Sep 2, 2026 | Form 4 ↗ |
| Kim Joo MiCHIEF FINANCIAL OFFICER | Sale | −166 | $168.75 | $28K | Sep 2, 2026 | Form 4 ↗ |
| Kim Joo MiCHIEF FINANCIAL OFFICER | Sale | −102 | $172.37 | $18K | Sep 2, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding QLYS · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF iShares Trust | 1.2M | $165.9M | 0.13% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 1.1M | $154.2M | 0.01% | Jun 30, 2026 |
| iShares Russell 2000 ETF iShares Trust | 934.1K | $128.4M | 0.15% | Jun 30, 2026 |
| First Trust Nasdaq Cybersecurity ETF First Trust Exchange-Traded Fund II | 814.3K | $112.0M | 0.81% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 808.0K | $111.1M | 0.06% | Jun 30, 2026 |
| Amplify Cybersecurity ETF Amplify ETF Trust | 780.1K | $107.3M | 4.14% | Jun 30, 2026 |
| VANGUARD INFORMATION TECHNOLOGY INDEX FUND VANGUARD WORLD FUND | 909.1K | $99.4M | 0.06% | May 31, 2026 |
| VANGUARD SMALL-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS | 467.3K | $64.2M | 0.14% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 397.9K | $57.6M | 0.17% | Jul 31, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 403.9K | $55.5M | 0.06% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list QLYS's shares (CUSIP 74758T303), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- BlackRock, Inc.SCHEDULE 13G/A · passive (13G) · 5.9M shares16.0%
Feb 5, 2025 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming QUALYS, INC. as client
No lobbying filings found naming QUALYS, INC. as the client.
Government Contracts
Federal awards to QUALYS, INC. · USAspending
No federal contract awards found for QUALYS, INC..
U.S. Patents
Recent USPTO applications naming QUALYS, INC.
No USPTO patent applications found for QUALYS, INC..
Annual Financials
From QLYS's 10-K filings · XBRL
No annual XBRL figures on record for QLYS. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in QLYS's price history.
About QUALYS, INC.
From SEC EDGAR company records
Industry (SIC 7372)Services-Prepackaged Software
SectorTechnology
HeadquartersFOSTER CITY, CA
IncorporatedDE
SEC CIK0001107843 ↗
Former namesQUALYS INC



