Fundraising Fox

Prime Impact Fund

Impact investor

Cambridge · Pre-Seed–Seed · 16 people tracked

Also known as PRIME MANAGEMENT COMPANY I, LLC

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Investment thesis

Prime Impact Fund invests in early-stage, transformative technology companies that could achieve gigaton-scale climate impact and become pillars of a low-carbon economy. Using catalytic capital with a long-term orientation, the fund targets high-risk, high-reward ventures and evaluates both techno-economics and climate impact with equal, fact-based rigor. Its investors are visionary families, foundations, and corporations, and it believes breakthrough innovation can emerge from all backgrounds, genders, and places. The fund is an initiative of Prime Coalition.

Source: firm website, verified Aug 25, 2026.

Stage
Pre-Seed–Seed
Check
$1M – $4M
HQ
Cambridge, Massachusetts, US
Leads rounds
Follows
Instruments
Equity
Private fund assets
$145.5M
VC funds
1
Tracked investments
17

Team · 16 people

from the firm's website & curated
Dr. Jillian Chase· Principal
Mariama Seydi· Climate Justice Advisorin

What they invest in

from 15 of 17 portfolio companies

Cleantech ×10Climate Tech ×9Deep Tech ×4Energy ×4Hardware ×4Advanced Manufacturing ×3AgTech ×3New Materials ×3

HQs:United States×12

Who they back

founder profiles across 10 portfolio companies
40%
solo founders
4 of 10 mapped founding teams

Founding team size:solo founder×42 founders×43 founders×14+ founders×1

Investments · 17 tracked

founders shown can be your intro path
Avalanche Energyavalanchefusion.comin𝕏

Avalanche Energy develops compact fusion technology to generate high-energy neutrons for materials testing, radioisotope production, and advanced nuclear battery systems serving defense, space, and commercial power applications.

Deep TechDefense TechEnergyRichland, US

Robin Langtry(Co-Founder, CEO)inBrian Riordan(Co-Founder, COO)in

Co-investorsCongruent VenturesFounders FundLowercarbon CapitalRA CapitalToyota VenturesAzolla Ventures+2 more

C-Motive Technologies

Reinvents electric motor design for high torque at low speeds enabling efficient wind turbines

Advanced ManufacturingMadison, US

DANIEL COLIN LUDOIS(Executive Officer)KATHERINE GERAMITA(Executive Officer)Barbara Ziemer(Executive Officer)

BoardMATTHEW MAROON(Executive Officer, Director)Justin K. Reed(Executive Officer, Director)JOHANNA WOLFSON(Director)in

Co-investorsAzolla Ventures

Charm Industrialcharmindustrial.comin𝕏

Charm Industrial converts agricultural residues into bio-oil and injects it underground to remove carbon from the atmosphere at scale.

AgTechCleantechClimate Tech

Shaun Meehan(Chief Scientist and co-founder)

Co-investorsAzolla VenturesBreyer CapitalCongruent VenturesKinnevikLIONHEART VENTURESSystemiq Capital+8 more

clean-cropcleancroptech.com

Clean Crop develops plasma-based seed treatment technology and hardware systems for treating seeds and food surfaces in the agriculture sector.

AgTechCleantechFoodTechHardwareHolyoke, US

Daniel White(Executive Officer, Director)Daniel Cavanaugh(Co-founder)

BoardTom Boddez(Director)Justin Frankert(Director)Pete Oberle(Director)Amy Duffuor(Director)in

Co-investorsAzolla VenturesBread And Butter Ventures, LlcClimate Impact CapitalInnova Memphis, Inc.R/GA VenturesRed Beard Ventures+2 more

CMotive Technologiesc-motive.comin

C-Motive develops ZeroMag, an electrostatic motor-drive system that eliminates gearboxes, permanent magnets, and most copper for high-torque, low-speed industrial applications.

Advanced ManufacturingCleantechHardware

Co-investorsAzolla VenturesClean Energy VentureEvergreen Climate InnovationsStarlight Ventures

Leadingedgetechleadingedgetech.io
Lilac Solutionslilacsolutions.comin

Lilac Solutions develops direct lithium extraction technology using ceramic ion exchange media, enabling fast, clean, and affordable lithium production from brines for the electric vehicle and battery industries.

CleantechClimate TechEnergyNew MaterialsOakland, US

David Snydacker(President & Chief Technology Officer)inNicholas Goldberg(Chief Legal Officer of Issuer)David Gelinas(Chief Financial Officer of Issuer)inRaef Sully(Chief Executive Officer of Issuer)in

BoardClay Dumas(Director)inDavid Danielson(Director)in

Co-investorsBreakthrough Energy VenturesLowercarbon CapitalAzolla VenturesBMW i VenturesMount Wilson VenturesPrelude Ventures+7 more

MicroByremicrobyre.com

BiotechSan Francisco, US

Sarah Richardson(Executive Officer, Director)Rik Wehbring(Director)Jeffrey Anderson(Executive Officer, Director)

BoardMatthew Nordan(Director)in

Co-investorsISVAzolla Ventures

noon-energynoon.energy

Noon Energy develops ultra-long-duration battery storage using a reversible solid oxide fuel cell and carbon-based storage media to deliver 100+ hours of clean, firm power.

CleantechClimate TechDeep TechEnergyPalo Alto, US

Christopher Ronald Graves(Executive Officer, Director, Promoter)Mary Kalee Whitehouse(Executive Officer, Promoter)Chris Graves(Co-founder)Kalee Whitehouse(Co-founder)Richard M. Swanson(Director)

BoardAmy Duffuor(Director)in

Co-investorsAt One VenturesAzolla VenturesClean Energy VenturesTechEnergy VenturesXplorer CapitalAramco Ventures

Ovipostovipost.cominDefunct

Ovipost farms insects and worms to produce protein by converting organic waste, positioning insect farming as a sustainable protein source and upcycling solution.

Advanced ManufacturingAgTechBiotechCircular EconomyClimate TechConsumerFoodTechLaBelle, US

Trina Chiasson(Founder/CEO)inJames Ricci(Founder/CTO)in

Co-investorsY CombinatorAnorak Ventures

sublimesublime-systems.comin

Sublime Systems develops an energy-saving, carbon-reducing process for manufacturing cement from previously inaccessible minerals.

CleantechClimate TechConstruction TechNew MaterialsBoston, US

Leah Ellis(Co-founder)inYet-Ming Chiang(Co-founder)in

Co-investorsAzolla VenturesCongruent VenturesEnergy Impact PartnersLOWERCARBONLowercarbon CapitalSteel Atlas+3 more

Treautreau.coolin𝕏

Gradient makes plug-in 120V window heat pumps and the Nexus energy-control software that provide cold-climate heating and cooling for existing multifamily housing without electrical upgrades or refrigerant handling.

CleantechClimate TechHardwareSan Francisco, US

Vincent Romanin(Executive Officer, Director)

BoardDorian West(Director)Kerry Cooper(Director)

Tynttynt.ioin

Tynt develops a patented Reversible Metal Electrodeposition (RME) platform for dynamic dimming and smart tinting of transparent surfaces, ranging from smart eyewear to building facades.

CleantechDeep TechHardwareNew MaterialsBoulder, US

Michael McGehee(Chief Scientist)Tyler Hernandez(CEO & Co-founder)Michael Strand(Cofounder)Ameen K. Saafir(President)John Dwyer(COO + CPO)

BoardSebastian Peck(Director)in

Co-investorsAvilaAzolla VenturesBuff Gold VenturesKOMPAS VCDisruptive VenturesGreycroft+3 more

verdox-logo-v2verdox.comin

Verdox develops an electrochemical carbon capture system that uses electrical energy alone to capture and release CO₂ from both industrial point sources and ambient air.

CleantechClimate TechDeep Tech

Co-investorsAzolla VenturesBreakthrough Energy Ventures

Vestavesta.earth

Vesta develops Marine Enhanced Rock Weathering, adding carbon-removing olivine sand to coastal systems to permanently remove carbon dioxide, reduce ocean acidity, and support shoreline protection.

CleantechClimate TechImpact & Social Good

Co-investorsAutodesk FoundationAzolla VenturesAndreessen HorowitzConversion Capital

via-separationsviaseparations.com

Via Separations makes industrial membrane filtration systems that cut the energy used in thermal separation processes.

Cambridge, US

Brent Keller(Executive Officer, Director)Shreya Dave(Executive Officer, Director)

BoardKatie Rae(Director)inArunas Chesonis(Director)in

Co-investorsAzolla VenturesCapTableClimate InvestmentSafar PartnersEmbark VenturesThe Engine Ventures

Zanskarzanskar.us

Zanskar uses geoscience, AI, and advanced drilling methods to map the Earth's subsurface and identify geothermal resources that have been overlooked or considered too risky.

AI & Machine LearningClimate TechEnergy

Carl Hoiland(Founder)inJoel Edwards(Founder)in

Co-investorsAzolla VenturesSafar PartnersBessemer Venture PartnersFirst Star VenturesLowercarbon CapitalObvious Ventures+3 more

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has Prime Impact Fund made?
Prime Impact Fund has 13 tracked investments.
What stage does Prime Impact Fund invest at?
Prime Impact Fund invests at the Pre-Seed, Seed stages.
What is Prime Impact Fund's typical check size?
Prime Impact Fund typically writes checks of $1M – $4M.
What sectors does Prime Impact Fund focus on?
Prime Impact Fund focuses on Cleantech, Climate Tech, Deep Tech, Impact & Social Good.
Where is Prime Impact Fund located?
Prime Impact Fund is headquartered in Cambridge, US.
Does Prime Impact Fund lead rounds?
Prime Impact Fund typically participates in rounds rather than leading them.
Who does Prime Impact Fund co-invest with?
Prime Impact Fund most often shares deals with Azolla Ventures, Breakthrough Energy Ventures, Congruent Ventures, among 38 tracked co-investors.

Media · Podcasts & interviews

featuring the team

NEWIEE "Ask Me Anything!" with Prime Impact Fund's Amy Duffuor

New England Women · Amy Duffuor

Images

Prime Impact Fund photo

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