Nucleus Security is an automated threat and vulnerability remediation platform, headquartered in Sarasota, United States, founded in 2018.
| Date | Round | Amount | Investors |
|---|---|---|---|
| 2026-02-11 | Series C | $20M | Delta-v Capital, Arthur Ventures |
| 2024-08-20 | Growth Stage | Undisclosed | Dcode Capital |
| 2024-08-19 | Growth Stage | Undisclosed | Dcode Capital |
| 2024-02-12 | Series B | $13M | Arthur Ventures, Lead Edge Capital, IQT |
| 2024-02-12 | Series B | $43M | Arthur Ventures, Lead Edge Capital, IQT |
| 2023-01-16 | Pre-Seed | Undisclosed | Lombardstreet Ventures, Soma Capital, Y Combinator |
| 2022-03-23 | Series B | $20M | Lead Edge Capital, Arthur Ventures |
| 2022-03-21 | Series B | $20M | Lead Edge Capital |
| 2021-03-03 | Series A | $3.1M | Arthur Ventures |
| 2021-03-03 | Series A | $3.1M | Arthur Ventures |
Data from The Signal by Return on Security — cybersecurity funding, M&A activity, and company intelligence.