Qualysvs.Tenable
QLYS vs TENB · both in Vulnerability management, part of the Defense, security & space value chain: Maps and prioritizes weaknesses before attackers exploit them.
Qualys is about 1.2× larger than Tenable by market cap; year to date, Tenable leads (+69.1% vs +14.9%).
Side by side
| QLYS | TENB | |
|---|---|---|
| Market cap | $5.4B | $4.4B |
| Price | $152.69 | $39.78 |
| Today | −4.2% | −3.8% |
| Return YTD | +14.9% | +69.1% |
| Return 1Y | +8.0% | +15.8% |
| P/E | 26.7 | — |
| P/S | 7.9 | 4.3 |
| P/B | 9.4 | 17.7 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
QualysQLYS
Cloud-based platform for vulnerability management and compliance — scans and prioritizes weaknesses across IT environments.
Full QLYS profile →TenableTENB
Vulnerability management specialist (exposure management) — maps and prioritizes weaknesses in corporate IT and OT environments.
Full TENB profile →More comparisons in Vulnerability management
See where QLYS and TENB sit in the full Defense, security & space map — every segment from suppliers to end markets.Open the Defense value chain →