Nucleus Security
PrivateLast Round
Series C
Feb 11, 2026
Total Funding Raised
$86.6M
Momentum Score
25 /100
Company Overview
Nucleus Security is a cybersecurity company that provides a risk-based vulnerability management platform to unify asset, vulnerability, and threat data for enterprises and government agencies.
Sector
Cybersecurity
Verticals
Vulnerability Management, Application Security, Threat Intelligence, Compliance & Risk, Cloud Security
Business Model
B2B
Customer Profile
Subscription SaaS, Government Contracts, Services & Consulting
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Nucleus Security Comps
Public and private peers based on sector, stage, and business model.
Nucleus Security Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series C | Feb 11, 2026 | ||||
| Strategic | Aug 20, 2024 | ||||
| Series B | Feb 12, 2024 | ||||
| Accelerator | Apr 19, 2023 | ||||
| Series B | Mar 23, 2022 | ||||
Series A | Mar 3, 2021 |
Key People
Founding team and executive leadership
Nucleus Security Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Arthur Ventures | Series B, Series C, Series A |
| Lead Edge Capital | Series B |
| Y Combinator | Accelerator |
| Delta-v Capital | Series C |
| In-Q-Tel | Series B |
| Dcode Capital | Strategic |
Market signals
Structured signals derived from secondary market and firmographic data.
- Mar 26, 2026
Named Best Vulnerability Management Solution in SC Awards for second consecutive year.
- Feb 17, 2026
Received 2025 Global Transformational Innovation Leadership Recognition from Frost & Sullivan.
Nucleus Security Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Nucleus Security's valuation, stock price, and market status.
