Tenable Holdings, Inc. (TENB)
Nasdaq · Common stock · Services-Prepackaged Software
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TENB at a glance
Key statistics
$4.29B
Market capitalization
- Previous close
- $38.98
- Open
- $38.99
- Day range
- $38.99 – $41.63
- Volume
- 1.71M
- Average volume (30 sessions)
- 4.50M
- Shares outstanding
- 110.14M
- Price / earnings
- 636.8
- Earnings per share
- $0.06
- Price / book
- 21.6
- Price / sales
- 4.1
- Beta (1 year, vs SPY)
- 1.19
Where the price sits in its year
52-week range
89% of the range
- Below the 52-week high
- -6.8%
- Above the 52-week low
- +158.9%
Completed sessions through Oct 20, 2026
Technical snapshot
Above its 50-day and 200-day averages
- 20-day average
- $37.83+3.0%
- 50-day average
- $36.40+7.1%
- 200-day average
- $27.81+40.2%
Between the conventional 30 and 70 bands.
-5.6%
1 week
+7.7%
1 month
+18.7%
3 months
+65.7%
Year to date
+34.3%
1 year
Price change over each window, from completed sessions. Past performance does not indicate future results.
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What members do with TENB
TENB on Pro Charting
Every intraday interval in real time, the drawing kit and the full set of technical studies on TENB.
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Analysis Tools OnlySet a price line on TENB
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From the public news wire
TENB headlines
- Tenable Expands Open Security Ecosystem to Extend Exposure Intelligence and Accelerate AI Security Outcomes
GlobeNewswire Inc. · Oct 20, 2026
- Tenable Holdings, Inc. Announces Pricing of Upsized $725.0 Million Offering of Convertible Senior Notes
GlobeNewswire Inc. · Sep 10, 2026
- Tenable Uses OpenAI GPT Cyber Models to Help Defenders Inspect Community-Built AI Components
GlobeNewswire Inc. · Sep 3, 2026
- Tenable Joins White House-Led Project Watershed to Bolster U.S. Water Systems Cybersecurity
GlobeNewswire Inc. · Aug 31, 2026
- Tenable Joins Cisco’s SolutionsPlus Program as an Exposure Management Partner for Vulnerability Management Customers
GlobeNewswire Inc. · Jul 23, 2026
- Introducing Tenable Hexa AI: The Agentic Engine That Supercharges Security Productivity and Accelerates Risk Reduction
GlobeNewswire Inc. · Mar 24, 2026
- Tenable Extends Exposure Management to AI Attack Surface
GlobeNewswire Inc. · Jan 27, 2026
- Tenable to Announce Fiscal Fourth Quarter and Full Year 2025 Earnings Results on Wednesday, February 4, 2026
GlobeNewswire Inc. · Jan 21, 2026
SEC Form 4, most recent first
Insider filings
Bell Charles H
+10.4K
Director · Grant or award
· Oct 5, 2026
Thurmond Mark C.
+2.3K
Co-Chief Executive Officer, Director · Option exercise
· Aug 24, 2026
Thurmond Mark C.
−3.8K
Co-Chief Executive Officer, Director · Shares withheld for tax
$127.41K · Aug 24, 2026
Vintz Stephen A
+2.3K
Co-Chief Executive Officer, Director · Option exercise
· Aug 24, 2026
Anschutz Barron
−1.3K
Insider · Option exercise
· Aug 24, 2026
Vintz Stephen A
−1.1K
Co-Chief Executive Officer, Director · Shares withheld for tax
$38.11K · Aug 24, 2026
Thurmond Mark C.
−562
Co-Chief Executive Officer, Director · Shares withheld for tax
$19.07K · Aug 24, 2026
Anschutz Barron
+1.3K
Insider · Option exercise
· Aug 24, 2026
About Tenable Holdings, Inc.
Founded in 2002, Tenable is a cybersecurity company that began providing vulnerability management solutions under its Nessus software. In recent years, Tenable has expanded its portfolio to provide a broader range of exposure management modules. Solutions include cloud security and compliance, active directory management, operational technology security and advanced vulnerability analytics. The Maryland-based company went public in 2018.
- Exchange
- Nasdaq
- Security
- Common stock
- Industry
- Services-Prepackaged Software
- Headquarters
- Columbia, MD
- Employees
- 1,995
- Listed since
- Jul 26, 2018
- Website
- tenable.com
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