/ Yield Index / MassChallenge

MassChallenge

Geographic Accelerator · Zero equity; $0 fee
B+

Good (B+) — Cohort Yield Grade

MassChallenge is the rare zero-equity accelerator — funded by foundations and government partners rather than fee/equity taking. Strong on founder outcomes for the equity-not-taken value proposition. Multi-region (Boston, Texas, Israel, UK, Switzerland, Mexico). Lower cohort selectivity than tier-1 peers but the structural commitment to founder-friendly terms is category-leading.

86
Composite / 100
/ Subscore Breakdown · 5 Dimensions

Where this grade comes from.

Equity Terms Fairness
A
Founder Outcomes
B+
Mentor Quality
B
Demo Day Yield
B
Post-Program Network
B+
/ Public-Record Events

Key events & disclosures.

  • Founded 2009 in Boston
  • Zero-equity / zero-fee model
  • Multi-region: Boston, Texas, Israel, UK, Switzerland, Mexico
  • 100+ founder cohort per region per year

/ Best for

Founders prioritizing zero-equity terms and geographic-specific networks; impact-oriented founders.

/ Watch out for

Larger cohort sizes mean lower mentor density per founder than tier-1 peers. Lower investor concentration at demo days.