Institutional shares held 110 Million
467K calls
86.6K puts
Total value of holdings $2.96B
$12.6M calls
$2.34M puts
Market Cap $3.03B
112,401,000 Shares Out.
Institutional ownership 97.74%
# of Institutions 327


Latest Institutional Activity in TENB

Top Purchases

Q4 2025
Sg Americas Securities, LLC Shares Held: 92.6K ($2.5M)
Q4 2025
Harbor Capital Advisors, Inc. Shares Held: 109K ($2.94M)
Q4 2025
Byrne Asset Management LLC Shares Held: 6.38K ($172K)
Q4 2025
Tempus Wealth Planning, LLC Shares Held: 23.5K ($634K)
Q4 2025
Wealth Enhancement Advisory Services, LLC Shares Held: 17.8K ($481K)

Top Sells

Q4 2025
Assenagon Asset Management S.A. Shares Held: 1.62M ($43.8M)
Q4 2025
Nordea Investment Management Ab Shares Held: 302K ($8.16M)
Q4 2025
Diversified Trust CO Shares Held: 8.53K ($230K)
Q4 2025
Fulton Bank, N.A. Shares Held: 10.9K ($294K)
Q4 2025
Nisa Investment Advisors, LLC Shares Held: 950 ($25.6K)

About TENB

Tenable Holdings, Inc. provides cyber exposure solutions for in the Americas, Europe, the Middle East, Africa, the Asia Pacific, and Japan. Its platforms include Tenable.io, a cloud-delivered software as a service that provides organizations with a risk-based view of traditional and modern attack surfaces; Tenable.cs, a cloud-native application platform that enables organizations to programmatically detect and fix cloud infrastructure misconfigurations; Tenable.io WAS, which provides scanning for modern web applications; and Tenable.ep, an unified platform that helps organizations identify, assess, and accurately prioritize cyber risks across the entire attack surface. The company also offers Tenable.ad, a solution to secure Active Directory environments; Tenable.ot, an on-premises solution that provides threat detection and mitigation, asset tracking, vulnerability management, and configuration control capabilities to protect OT environments, including industrial networks; Tenable.sc, an on-premises solution that provides a risk-based view of an organization's IT, security and compliance posture. In addition, it provides Nessus Professional, a vulnerability assessment solution for identifying security vulnerabilities, configuration issues, and malware; and Nessus Essentials, which includes vulnerability and configuration assessment for a limited number of assets. The company was founded in 2002 and is headquartered in Columbia, Maryland.


Insider Transactions at TENB

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
View All Transactions

Last 12 Months Summary

Buy / Acquisition
495K Shares
From 14 Insiders
Exercise of conversion of derivative security 493K shares
Bona fide gift 1.5K shares
Grant, award, or other acquisition 624 shares
Sell / Disposition
292K Shares
From 10 Insiders
Open market or private sale 264K shares
Payment of exercise price or tax liability 26.3K shares
Bona fide gift 1.5K shares

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