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Investor profile:
Positive Sum

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Founded in 2020, Positive Sum is an early-stage venture capital firm based in Stamford, Connecticut.
Deals total13
As lead investor8Also as a second investor: 1
As a second investor57
October 8, 2025USD 1bSecond investor
October 8, 2025
USD 1b
Base Power Raises $1 Billion Series C Funding
Company site
Second investor
Base Power Raises $1 Billion Series C Funding
Company site
June 25, 2024
June 25, 2024
February 2, 2023
February 2, 2023
January 6, 2023
January 6, 2023
September 30, 2022
September 30, 2022