# Prime Impact Fund

> Prime Impact Fund is a VC fund backing Renewable Energy and Energy. See 18 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Cambridge, United States
- Total investments: 18
- Last investment: Jun 2025
- Lead investor: 50%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/prime-impact-fund/
- Website: https://www.primeimpactfund.com/

Prime Impact Fund is a VC fund in Cambridge focused on Renewable Energy and Energy. Prime Impact Fund invests in transformative technology companies with the potential for gigaton-scale climate impact. Drawing on catalytic capital with a long-term lens, the fund is purpose-built to support high-risk, high-reward ventures at the earliest stages.

## Contacts

5 contacts available for Prime Impact Fund. Shizune tracks 4 team members at Prime Impact Fund. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/prime-impact-fund?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $2.5M–$7.1M |
| Series A | $4.8M–$7.6M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Renewable Energy | 4 | 22% |
| Energy | 3 | 17% |
| CleanTech | 3 | 17% |
| Advanced Materials | 3 | 17% |
| Solar | 2 | 11% |

31 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 10 | 56% |
| Series A | 3 | 17% |
| Series B | 1 | 6% |
| Funding Round | 1 | 6% |
| Convertible Note | 1 | 6% |

6 stages tracked in total.

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Amy Duffuor | Principal | 8 | https://shizune.co/investors/profile/amy-duffuor |
| Johanna Wolfson | Principal | 2 | https://shizune.co/investors/profile/johanna-wolfson |
| Matthew Nordan | Managing Director | 13 | https://shizune.co/investors/profile/matthew-nordan |
| Shayle Kann | Investment Advisory Committee | 12 | https://shizune.co/investors/profile/shayle-kann |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| C-Motive Technologies | C-Motive Technologies focuses on reinventing the electric motor. Its motors run on the principle of electrostatic forces, also known as "static cling,"​ and stands to change the machines that shape and run people's lives. Founded by Dan Ludois and Justin Reed in 2012, C-Motive Technologies is headquartered in Madison, Wisconsin. | $13.5M | Venture - Series Unknown | Jun 04, 2025 |  |
| Tynt Technologies | Tynt Technologies is a developer of a smart window to prevent glare while maintaining views and save energy. It offers ideal visual and thermal occupant comfort while minimizing building energy consumption from lighting and HVAC use. The company was founded in 2020 and is headquartered in Boulder, Colorado. | $7.1M | Seed | Apr 28, 2023 |  |
| Avalanche Energy | Avalanche Energy is a fusion energy startup that develops micro-fusion reactors for distributed energy and mobility. The company's modular reactor architecture can be stacked for limitless power applications and energy density, allowing it to offer clean energy while also decarbonizing the planet. It provides quick iterations of design, build,test, and fix cycles, allowing for speedier development and the rapid scaling required by the world. | $5M | Seed | Mar 30, 2022 |  |
| Clean Crop Technologies | Clean Crop Technologies is translating groundbreaking research on ways to reduce molds, toxins, and pests into commercial scale services for the global grain and nut sectors. | $6.4M | Series A | Dec 15, 2021 |  |
| Via Separations | Via Separations is enabling industrial decarbonization with its novel chemistries that allow manufacturing facilities to slash their energy consumption while making more product. Targeting the 12% of US energy consumption that is wasted each year separating chemicals, Via reduces the load of the process by 90%, electrifies the mostenergy-intensive step in chemical production, and generates additional revenue for the customer. Today, Via is deploying its technology in pilot trials at pulp & paper facilities to eliminate 100 million metric tons of CO2 by 2050. Via’s innovation is a highly selective and robust membrane filter that replaces the energy-inefficient heat-based separations in industrial processes. Spun out of MIT’s Department of Material Science & Engineering, Via has scaled up the technology by more than 10 million times and demonstrated working prototypes at a commercial scale. | $38M | Series B | Oct 21, 2021 |  |
| Tynt Technologies | Tynt Technologies is a developer of a smart window to prevent glare while maintaining views and save energy. It offers ideal visual and thermal occupant comfort while minimizing building energy consumption from lighting and HVAC use. The company was founded in 2020 and is headquartered in Boulder, Colorado. | $5.5M | Seed | Oct 13, 2021 |  |
| Leading Edge Equipment Technologies | Leading Edge Crystal Technologies is a developer of kerfless, single crystal silicon wafers intended to be used in solar panels with higher efficiency and lower cost that fit into existing module manufacturing processes without any changes. | $2.5M | Convertible Note | Jul 01, 2021 |  |
| Noon Energy | Noon Energy develops a flow battery technology that enables economical long-duration energy storage. The company's design will allow intermittent renewable electricity sources, such as solar and wind, to meet continual demand. Noon Energy was founded in 2018 and based in Palo Alto, California. | $3M | Seed | Mar 16, 2021 |  |
| Sublime Systems | Sublime Systems develops technology to decarbonize cement. |  | Seed | Jan 01, 2021 |  |
| Leading Edge Equipment Technologies | Leading Edge Crystal Technologies is a developer of kerfless, single crystal silicon wafers intended to be used in solar panels with higher efficiency and lower cost that fit into existing module manufacturing processes without any changes. | $7.6M | Series A | Oct 27, 2020 |  |

10 of 18 investments shown.

## Co-investors
- [PRIME Coalition](https://shizune.co/investors/profile/prime-coalition) — VC Fund, 8 deals together
- [Starlight Ventures](https://shizune.co/investors/profile/starlight-ventures-management-llc) — VC Fund, 3 deals together
- [Clean Energy Venture Group](https://shizune.co/investors/profile/clean-energy-venture-group) — VC Fund, 2 deals together
- [Clean Energy Ventures](https://shizune.co/investors/profile/clean-energy-ventures-cev) — VC Fund, 2 deals together
- [Collaborative Fund](https://shizune.co/investors/profile/collaborative-fund) — VC Fund, 2 deals together
- [DSM Venturing](https://shizune.co/investors/profile/dsm-venturing) — VC Fund, 2 deals together

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## FAQ

### What does Prime Impact Fund invest in?

Prime Impact Fund invests primarily in Renewable Energy, Energy and CleanTech startups, most often at Seed and Series A stage. Most of the 18 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Prime Impact Fund's check size?

Prime Impact Fund typically joins rounds of $2.5M–$7.1M at Seed and $4.8M–$7.6M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Prime Impact Fund participates in.

### How do I contact Prime Impact Fund?

Public channels for Prime Impact Fund include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at Prime Impact Fund?

The team at Prime Impact Fund includes Amy Duffuor (Principal), Johanna Wolfson (Principal) and Matthew Nordan (Managing Director). The Team section lists each member with their title, investment count and links.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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