# Who Invests With MassVentures: 16 Co-Investors (2026)

> The 16 investors that have backed two or more of the same startups as MassVentures, by kind: vc firms and government funds.

Source: https://millionrounds.com/portfolio-maps/massventures-co-investors (Millionrounds; every figure on the page links to its filing or article)

## VC firms

13

- [*MC* Massachusetts Clean Energy Center](https://millionrounds.com/fund/massachusetts-clean-energy-center)
- [Techstars](https://millionrounds.com/fund/techstars)
- [Safar Partners](https://millionrounds.com/fund/safar-partners)
- [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund)
- [SBXi Fund](https://millionrounds.com/fund/sbxi)
- [*MT* Massachusetts Technology Development Corporation](https://millionrounds.com/fund/massachusetts-technology-development-corporation)
- [RiverPark Ventures](https://millionrounds.com/fund/riverpark-ventures)
- [Right Side Capital Management](https://millionrounds.com/fund/right-side-capital-management)
- [DCVC](https://millionrounds.com/fund/data-collective)
- [*LR* Long River Ventures](https://millionrounds.com/fund/long-river-ventures)
- [Glasswing Ventures](https://millionrounds.com/fund/glasswing-ventures)
- [Good Growth Capital](https://millionrounds.com/fund/good-growth-capital)
- [The E14 Fund](https://millionrounds.com/fund/e14-fund)

## Government funds

3

- [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno)
- [National Institutes of Health](https://millionrounds.com/fund/national-institutes-of-health)
- [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy)

## Segment by segment

### VC firms

13 investors

- [*MC* **Massachusetts Clean Energy Center**](https://millionrounds.com/fund/massachusetts-clean-energy-center) VC firm United States 17 backed
- [**Techstars**](https://millionrounds.com/fund/techstars) VC firm United States 8 backed
- [**Safar Partners**](https://millionrounds.com/fund/safar-partners) VC firm United States 3 backed
- [**Alumni Ventures**](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm United States 3 backed
- [**SBXi Fund**](https://millionrounds.com/fund/sbxi) VC firm India 3 backed
- [*MT* **Massachusetts Technology Development Corporation**](https://millionrounds.com/fund/massachusetts-technology-development-corporation) Investment firm - 3 backed
- [**RiverPark Ventures**](https://millionrounds.com/fund/riverpark-ventures) VC firm United States 2 backed
- [**Right Side Capital Management**](https://millionrounds.com/fund/right-side-capital-management) VC firm United States 2 backed

### Government funds

3 investors

- [**National Science Foundation**](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government fund United States 30 backed
- [**National Institutes of Health**](https://millionrounds.com/fund/national-institutes-of-health) Government fund United States 5 backed
- [**US Department of Energy**](https://millionrounds.com/fund/u-s-department-of-energy) Government fund United States 4 backed

**How this map is made.** Every investor here has backed two or more of the same startups as MassVentures, in rounds we track. Grouped by kind, each ranked by how many startups it shares with MassVentures. Rebuilt nightly; updated 15 November 2026.

## More portfolio maps

[All portfolios](https://millionrounds.com/portfolio-maps)

[Portfolio map **MassVentures portfolio map** 72 startups · $760M](https://millionrounds.com/portfolio-maps/massventures-portfolio-map)[Co-investors **Who invests with Techstars** 991 co-investors](https://millionrounds.com/portfolio-maps/techstars-co-investors)[Co-investors **Who invests with SV Angel** 988 co-investors](https://millionrounds.com/portfolio-maps/sv-angel-co-investors)[Co-investors **Who invests with Andreessen Horowitz** 977 co-investors](https://millionrounds.com/portfolio-maps/andreessen-horowitz-co-investors)[Co-investors **Who invests with Alumni Ventures** 911 co-investors](https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-co-investors)[Co-investors **Who invests with Sequoia Capital** 827 co-investors](https://millionrounds.com/portfolio-maps/sequoia-capital-co-investors)

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