MassVentures is a quasi-public venture capital firm focused on catalyzing the Massachusetts innovation economy by funding and supporting seed-stage, deep-tech startups and academic spinouts. Founded in 1978 as the Massachusetts Technology Development Corporation (MTDC), it operates as an evergreen fund reinvesting profits from successful investments.
32% of their portfolio is in Climate & Energy. They made 3 investments in the last 12 months. Their most common stage is seed (68% of deals). Average disclosed round size is $6.2M (across 18 rounds with reported amounts).
Portfolio
17
Fund Size
—
Top Stage
Seed
Last 12 Mo
2
Team
VN
Vinit Nijhawan
Managing Director
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
19 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Myrias Optics | Seed | $2.1M | Feb 2026 |
| Myrias Optics | Seed | $2.1M | Jan 2026 |
 florrent | Seed | $9.5M | Sep 2025 |
 Feon Energy | Seed | $6.1M | Jun 2024 |
 Cyvl.ai | Seed | $6M | Mar 2024 |
 Aclarity | Series A | $15.9M | Nov 2023 |
 JetCool | Series A | $17M | Oct 2023 |
 AeroShield | Seed | $4M | Nov 2022 |
| AAeroShield Materials | Seed | $5M | Nov 2022 |
 Seaspire Skincare | Seed | $3M | Jun 2022 |
| Aclarity | Seed | — | Apr 2022 |
 Paerpay | Seed | $3M | Mar 2022 |
 Adden Energy | Unknown | $5.2M | Jan 2022 |
 Spiro.ai | Seed | $3M | Oct 2017 |
 Lambent Spaces | Seed | $7M | — |
 Curoverse | Unknown | $1.5M | — |
 Lambent | Seed | $7M | — |
| AAdden | Series A | $15M | — |
| LLoopCO2 | Unknown | $100K | — |
Top Co-Investors
MassMutual4 shared
Maroon Venture Partners3 shared
TiE Boston Angels2 shared
Alumni Ventures2 shared
Hyperplane2 shared
Techstars2 shared
Inovia Capital2 shared
Glasswing Ventures2 shared
Rhapsody Venture Partners2 shared
Primavera Capital Group2 shared
Core Innovation Capital1 shared
HG Ventures1 shared
Nor'easter Ventures1 shared
North Island Ventures1 shared
Boston Impact Initiative1 shared
Companyon Ventures1 shared
APEX Ventures1 shared
RiverPark Ventures1 shared
Argon Ventures1 shared
Last updated: 8 September 2026