United States · 
Who invested in 75F?
75F's investors include Breakthrough Energy, Climate Initiative, Revolution, Evergreen Climate Innovations and Building Ventures, and 1 more on record.
202020212022202320242025
$18MSeries A$45MSeries B
United States · Series B startup
Who invested in 75F
Funding summaryUpdated 26 Oct 2026
$63Mraised across 2 rounds since 2019, from 2 sources
$18MSeries A$45MSeries B
- Latest round
- Series B, $45MFeb 2025
- Step-upi
- 2.5×
- Investors
- 6 (2 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $18M Sept 2019
- Biggest round
- $45M Series B · Feb 2025
- Between rounds
- 5.4 years from the last two
The rounds
- Feb 2025Series B$45M2 new1 returning
Source recorded
- Sept 2019Series A$18M4 new
Breakthrough EnergyLead- Climate InitiativeLead
Building Ventures
Clean Energy Trust
Reported by FinSMEsSEC filing: $18M sold, first sale Jun 2019
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Series A2019Series B2025Breakthrough EnergyLClimate InitiativeL
Revolution
Evergreen Climate InnovationsBuilding VenturesClean Energy Trust
Breakthrough EnergyLClimate InitiativeLRevolutionEvergreen Climate InnovationsBuilding VenturesClean Energy TrustEveryone who backed them
Climate Initiativeno record of our own yet1round, led 1
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 3 firms list 75F as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about 75F
How much has 75F raised?
75F has raised $63M across 2 rounds since 2019.
When did 75F last raise?
75F's most recent round was a Series B of $45M in Feb 2025.
What was 75F's biggest round?
Its most recent round, $45M in Feb 2025, is also its largest on record.
Who backed 75F first?
75F's first round on record, in Sept 2019, was backed by Breakthrough Energy, Climate Initiative and Building Ventures and 1 others.
What stage is 75F at?
75F's latest named round is a Series B, in Feb 2025.
Where is 75F based?
75F is based in the United States.
Who led 75F's rounds?
Breakthrough Energy led the Series A in 2019.
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