2018
$26M
from 7 investors over 7 rounds
Promethium raised $26M on February 8, 2022
Investors: Zetta Venture Partners, .406 Ventures and Insight Partners
Promethium raised $6M on January 22, 2020
Investors: .406 Ventures and Zetta Venture Partners
Promethium raised $2.5M on October 22, 2018
Investors: Zetta Venture Partners and Generation Ventures