Qualys Inc
Qualys Inc (QLYS) is listed on NASDAQ and classified in Software - Infrastructure, part of the Technology sector. It is headquartered in Foster City, United States and has 2,718 employees. The company is worth $7.2B and trades at 34.1x its earnings of the last twelve months; the median for its sector is 28.0x. Revenue was $669.13M in fiscal 2025, up 10.1% from the year before. Net income was $198.32M. The share price is within 3% of its 52-week high. 6 of the 38 superinvestors we track held it at the end of Q2 2026. The largest position belongs to Cliff Asness (AQR Capital Management), at $190.6M. In that quarter, 4 of them opened or added to the position and 2 reduced it. Over the last 30 days, company insiders sold $776.11K of its stock on the open market and bought none. All of those sales were scheduled in advance under 10b5-1 plans.
Written from the data on this page: SEC filings (13F, Form 4, annual reports) and market prices.
Year by year, from the annual reports; dividends from the payments themselves.
Bars are year-end balances; lines are what happened during the year.
Major managers that reported this stock in their latest 13F.
▲ +39.0% over 5Y.
today you would have $1,454.45▲ +45.4%
Dividends reinvested, splits accounted for. Past prices say what happened, not what will.
The last 14 closed years, each at that year’s closing price and reported numbers.
| Indicator | Median | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Year-end price | $132.90 | $140.22 | $196.28 | $112.23 | $137.22 | $121.87 | $83.37 | $74.74 | $59.35 | $31.65 | $33.09 | $37.75 | $23.11 | $14.79 | |
| P/E | 54.2x | 24.4x | 30.2x | 48.7x | 41.0x | 77.5x |
Seven formulas applied to the reported numbers, each with its assumption next to the result. None of them predicts a price.
Square root of 22.5 × earnings × book value. Blind to intangibles, so it undervalues software and brands.
Earnings growing 19.3% a year plus a 0.0% dividend yield. Growth capped at 25%.
Median P/E of 28.0 among peers in the sector.
Median P/E of 54.2 across this company’s own years on record.
Cash flow growing 15.0% a year for 10 years, discounted at 10%, then 2.5% forever.
Sector median of 14.3x operating profit, less net debt. Banks have no EBITDA.
This formula has no meaning here — usually a loss, negative cash flow, or a missing input.
Companies of similar size in Technology, for comparison. The columns are the same ones above, in the same order.
| Stock | Price | P/E | P/B | Dividend yield | ROE | Market cap |
|---|---|---|---|---|---|---|
| EPAMEPAM Systems, Inc. | $138.67 | 18.8x | 2.0x | 0.00% | 11.18% | $7.15B |
| RALRalliant Corp | $65.64 | — | 4.7x | 0.30% | -53.90% | $7.26B |
| PATHUiPath, Inc. | $13.94 | 20.5x | 3.7x | 0.00% | 20.03% | $7.26B |
| AVTAvnet Inc | $88.64 |
| 54.2x |
| 49.6x |
| 54.6x |
| 58.8x |
| 63.3x |
| 66.2x |
| 46.6x |
| 577.8x |
| 184.9x |
| P/S | 9.0x | 7.1x | 8.4x | 13.1x | 8.5x | 13.0x | 13.2x | 10.1x | 10.5x | 9.9x | 5.8x | 5.8x | 9.6x | 6.9x | 5.1x |
| P/B | 8.4x | 8.4x | 10.7x | 19.7x | 14.4x | 12.3x | 11.8x | 8.4x | 8.2x | 6.7x | 4.5x | 5.8x | 8.4x | 7.3x | 5.1x |
| EPS | $5.44 | $4.65 | $4.03 | $2.74 | $1.77 | $2.25 | $1.68 | $1.37 | $1.01 | $0.50 | $0.50 | $0.81 | $0.04 | $0.08 |
| Profit margin | 21.05% | 29.64% | 28.59% | 27.34% | 22.05% | 17.26% | 25.23% | 21.56% | 20.55% | 17.52% | 9.71% | 9.71% | 22.64% | 1.43% | 2.43% |
| ROE | 17.09% | 35.34% | 36.40% | 41.17% | 37.35% | 16.25% | 22.64% | 17.93% | 16.01% | 11.77% | 7.44% | 9.83% | 19.92% | 1.49% | 2.43% |
Median of the years shown; P/E years above 200x are left out.
The average of the method families that answered, not of the seven numbers: four of the seven start from the same earnings per share.
6 methods answered, across 3 families.
Room for errors in the reported numbers.
-9.1% from the average.
Models, not forecasts, and not investment advice. How each formula works →
| 22.1x |
| 1.4x |
| 1.67% |
| 6.67% |
| $7.29B |
| SLABSilicon Laboratories Inc | $221.12 | — | 6.7x | 0.00% | -3.63% | $7.38B |
| FORMFormfactor Inc | $95.03 | 77.3x | 6.7x | 0.00% | 10.99% | $7.42B |