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Prime Impact Fund

Impact investor

Cambridge · Pre-Seed–Seed · 12 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 Sep 29, 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 · 12 people

from the firm's website
Jillian Chase· Principalin
Mariama Seydi· Climate Justice Advisorin

What they invest in

from 15 of 17 portfolio companies

Cleantech ×10Climate Tech ×9Deep Tech ×5Energy ×5Hardware ×4AgTech ×3New Materials ×3Advanced Manufacturing ×2

HQs:United States×12

Who they back

founder profiles across 12 portfolio companies
17%
solo founders
2 of 12 mapped founding teams
21%
repeat founders
of 14 founders with career history

Founding team size:solo founder×22 founders×63 founders×34+ founders×1

Where their founders studiedfrom 11 founders with education data

Brigham Young University ×2

What their founders studiedfrom 13 founders with field-of-study data

Engineering ×7Chemistry ×2Physics ×2

Where their founders worked beforefrom 14 founders with career history

Blue Origin ×3Massachusetts Institute of Technology ×3Stanford University ×2

Investments · 17 tracked

founders shown can be your intro path

By year:2021 · 22019 · 13 dated

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

BoardMatthew Nordan(Director)inKyle Teamey(Director)

Co-investorsCongruent VenturesFounders FundLowercarbon CapitalRA CapitalToyota VenturesAlumni Ventures+6 more

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(Founder)inPeter Reinhardt(Founder)inKelly Hering(Founder)Kevin Meissner(Founder)

Co-investorsAENUAzolla VenturesBreyer CapitalCollaborative FundCongruent VenturesGeneral Catalyst+10 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)inDaniel Cavanaugh(Co-founder)in

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

Co-investorsAzolla VenturesBread And Butter Ventures, LlcClimate Impact CapitalE8 AngelsInnova Memphis, Inc.R/GA Ventures+4 more

CMotive Technologiesc-motive.cominApr 2019

C-Motive designs electric motors and machines for renewable energy generation, electric mobility, and industrial applications, with a focus on reducing carbon emissions through improved efficiency.

Advanced ManufacturingCleantechEnergyHardwareMadison, US

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

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

Co-investorsAzolla VenturesClean Energy VentureCollaborative FundEvergreen Climate InnovationsExposition VenturesStarlight Ventures

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(Founder)inNicholas Goldberg(Chief Legal Officer of Issuer)David Gelinas(Chief Financial Officer of Issuer)inRaef Sully(Chief Executive Officer of Issuer)inDave Snydacker(Founder)

BoardClay Dumas(Director)in

Co-investorsBreakthrough Energy VenturesLowercarbon CapitalAzolla VenturesBerkeley Angel NetworkBMW i VenturesE8 Angels+10 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 VenturesBioeconomy

Noon Energyat-one-ventures.webflow.io

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

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

BoardAmy Duffuor(Director)in

Co-investorsAt One VenturesAzolla VenturesClean Energy VenturesCollaborative FundTechEnergy VenturesXplorer Capital+1 more

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(CEO)inJames Ricci(Chief Science Officer)in

Co-investorsY CombinatorAgrolimen VenturesAnorak Ventures

sublimesublime-systems.cominApr 2021

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

CleantechClimate TechConstruction TechNew MaterialsBoston, US

Leah Ellis(Founder)inYet-Ming Chiang(Founder)inRob Davies(Chief Executive Officer)in

BoardKatie Rae(Director)inJohanna Wolfson(Director)in

Co-investorsAzolla VenturesCongruent VenturesCRH VenturesEnergy Impact PartnersKhosla VenturesLowercarbon Capital+4 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)inMichael Strand(Cofounder)inAmeen K. Saafir(President)inJohn Dwyer(COO + CPO)in

BoardSebastian Peck(Director)in

Co-investorsAvilaAzolla VenturesBuff Gold VenturesKOMPAS VCDisruptive VenturesGreycroft+3 more

Tynttynt.comOct 2021 · $8.5M

Tynt operates a traffic and monetization platform for publishers.

AdTechMarketing TechSaaS

Co-investorsVerdex CapitalDisruptive VenturesGreycroftInovia CapitalMetamorphic VenturesStarlight Ventures

Verdoxverdox.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

Alan Hatton(Founder)Brian Baynes(Founder)Sahag Voskian(Founder)

Co-investorsAzolla VenturesBreakthrough Energy VenturesLowercarbon CapitalOUP (Osage University Partners)

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 HorowitzBain Capital VenturesConversion CapitalZigg 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)inShreya Dave(Executive Officer, Director)in

BoardKatie Rae(Director)inArunas Chesonis(Director)in

Co-investorsATEL VenturesAzolla VenturesCapTableClimate InvestmentEmbark VenturesSafar Partners+3 more

Zanskarzanskar.com

Zanskar develops geothermal energy projects using AI and advanced geoscience to map subsurface resources and deliver utility-scale, carbon-free power.

AI & Machine LearningClimate TechDeep TechEnergy

Carl Hoiland(Founder)inJoel Edwards(Founder)in

Co-investorsAzolla VenturesClearvision VenturesFirst Star VenturesGVP ClimateLowercarbon CapitalObvious Ventures+8 more

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Leadingedgetech

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has Prime Impact Fund made?
Prime Impact Fund has 17 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, Collaborative Fund, Congruent Ventures, among 61 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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