Funded Defense 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 May 1, 2026
- Companies
- 5
- Total raised
- $217.7M
- Filings
- 6
- Median round
- $6.5M
- Cities
- 4
CompanyCityLast filingLatest round
Tycho AITycho.AI is a Cambridge, Massachusetts defense technology…
Cambridge
May 1, 2026
$8.0M
HavocAIBuilds low-cost autonomous uncrewed surface vessels (USVs) and…
Boston
Mar 3, 2026
$187.5M
Viken DetectionTechnology company providing advanced security imaging and…
Burlington
Sep 25, 2025
$5.0M
TagupBoston defense technology company, spun out of MIT, that…
Boston
Jun 18, 2025
$14.8M
MetamagneticsU.S.-based company specializing in the development and…
Marlborough
Feb 12, 2025
$368K
All 5 companies · most recent filing first
Most recent filings
5All 5 companies · most recent filing first