Funded Cleantech startups in Massachusetts
Every company below filed a Form D with the SEC from a Massachusetts address. Amounts are as reported on the filing, not estimates.
Updated Jul 2, 2026
- Companies
- 5
- Total raised
- $46.0M
- Filings
- 5
- Median round
- $5.3M
- Cities
- 5
CompanyCityLast filingLatest round
Infinite CoolingMassachusetts industrial cooling technology company spun out…
Malden
Jul 2, 2026
$5.3M
Grain EcosystemBoston-based technology company focused on sustainability…
Quincy
Mar 28, 2025
$880K
Equilibrium EnergyClean energy technology company dedicated to accelerating the…
Boston
Feb 25, 2025
$25.7M
MacroCycle TechnologiesDedicated to addressing crucial environmental challenges in…
Cambridge
Jan 21, 2025
$4.0M
Glimpse EngineeringInnovative company dedicated to enhancing battery quality, a…
Somerville
Dec 27, 2024
$10.0M
All 5 companies · most recent filing first
Most recent filings
5All 5 companies · most recent filing first