Arthur Ventures is an investor tracked by The Signal, based in United States.
| Date | Company | Round | Amount |
|---|---|---|---|
| 2026-02-11 | Nucleus Security | Series C | $20M |
| 2025-12-11 | PKI Solutions | Growth Stage | Undisclosed |
| 2025-07-14 | CertifID | Series C | $47.5M |
| 2024-02-12 | Nucleus Security | Series B | $13M |
| 2024-02-12 | Nucleus Security | Series B | $43M |
| 2023-09-11 | CertifID | Series B | $20M |
| 2023-04-24 | CyberQP | Series A | $12M |
| 2022-08-15 | Paubox | Series B | $10M |
| 2022-06-13 | Quickpass | Series A | $7M |
| 2022-05-16 | CertifID | Series A | $12.5M |
| 2022-03-23 | Nucleus Security | Series B | $20M |
| 2021-03-03 | Nucleus Security | Series A | $3.1M |
| 2021-03-03 | Nucleus Security | Series A | $3.1M |
| 2021-01-11 | Paubox | Series A | $4M |
| 2020-09-16 | ThreatLocker | Seed | $4.4M |
| 2016-08-09 | Cybrary | Seed | $1.3M |
Data from The Signal by Return on Security — cybersecurity funding and investor intelligence.