Funded startups in Portland, Maine
Every company below filed a Form D with the SEC. Amounts are as reported on the filing, not estimates.
Updated Jun 22, 2026
- Companies
- 3
- Total raised
- $11.5M
- Filings
- 4
- Median round
- $2.7M
Most recent filings
3HighByteInfrastructureIndustrial software company founded in 2018 and based in Portland…
Jun 22, 2026
$4.7M
DefendifyCybersecurityPioneering cybersecurity company that offers a comprehensive, all-in-one…
Oct 23, 2025
$1.4M
MedRhythmsHealthcarePioneering digital therapeutics company dedicated to transforming…
Mar 28, 2025
$2.9M
All 3 companies · most recent filing first