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TenableTENB

Vulnerability management · NASDAQ · USA

$39.01
Up 0.2% todayClose

Up 65.5% this year and +29.1% since June 26, ahead of the defense sector at +14.0%. Tenable is one of 3 companies Sectivia maps in Vulnerability management.

Market cap
$4.4B
This year
+65.5%
1 year
+33.4%
P/E
650.1
P/S
4.2
P/B
22.1

Price vs the defense sector

since Jun 26TENBDefense sector, equal weight
Tenable (TENB) vs the Defense sector indexDaily closes from Jun 26, 2026 to Oct 8, 2026, each line rebased to its own first value. TENB: +29.1% from Jun 26, 2026 to Oct 8, 2026. Defense sector index: +14.0% from Jun 26, 2026 to Oct 8, 2026.0%+10%+20%+30%+40%Jun 26AugSepOctOct 8TENB +29.1%Sector +14.0% Tenable (TENB) vs the Defense sector indexDaily closes from Jun 26, 2026 to Oct 8, 2026, each line rebased to its own first value. TENB: +29.1% from Jun 26, 2026 to Oct 8, 2026. Defense sector index: +14.0% from Jun 26, 2026 to Oct 8, 2026.0%+20%+40%Jun 26AugSepOct 8TENB+29.1%Sector+14.0%

Supply chain

No suppliers or customers are mapped for Tenable yet.

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About Tenable

Nessus scanning grew into exposure management: mapping weaknesses across IT and OT estates and ranking which ones to close first.

Theme exposure

Vulnerability managementCritical infrastructureOT security

Products

  • Vulnerability scanning (Nessus)
  • Exposure management
  • OT security

Competitors

Risks

  • Smaller scale than platforms
  • Competitive pressure

Same segment: Vulnerability management

Maps and prioritizes weaknesses before attackers exploit them. Segment 13 of 14 in the Defense, security & space value chain.

QualysQLYS−0.5%Rapid7RPD+3.8%

Compare TENB

Side by side with the largest companies in the same segment.

TENB vs QLYSTENB vs RPD

See where Tenable sits in the full Defense, security & space map: every segment from upstream suppliers to end markets, with daily metrics.

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