Day One Ventures

Day One Ventures is an investor tracked by The Signal, based in San Francisco, United States.

Day One Ventures cybersecurity investments

DateCompanyRoundAmount
2019-04-19CalypsoAISeed$2.2M

Exits

DateCompanyAcquirer
2025-09-08CalypsoAIF5

Data from The Signal by Return on Security — cybersecurity funding and investor intelligence.