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MCJ Collective

North America, Massachusetts, United States, Boston

Description

MCJ Collective is a prominent venture capital firm based in Boston, United States, uniquely positioned at the intersection of capital, content, and community to accelerate climate solutions. Founded with the vision of breaking down silos and fostering collective creativity, MCJ Collective invests in early-stage climate technology companies addressing critical environmental challenges. Their distinctive approach goes beyond traditional venture funding, aiming to build a robust ecosystem that supports entrepreneurs dedicated to decarbonization and sustainability. This holistic model leverages a powerful network of experts, founders, and enthusiasts to drive impactful innovation across various climate sectors.

The firm primarily targets pre-seed and seed-stage startups, providing crucial early capital to nascent companies with high potential for scalable climate impact. MCJ Collective's investment mandate is broad, encompassing diverse areas such as renewable energy, carbon removal technologies, sustainable food and agriculture, the built environment, and industrial decarbonization. Their typical first check size ranges from $250,000 to $1,000,000, reflecting their commitment to foundational support for emerging climate ventures. This strategic capital deployment is designed to help companies achieve key milestones, from product development to initial market traction.

Beyond financial investment, MCJ Collective distinguishes itself through its robust community and content platforms. The firm manages two dedicated funds, including MCJ Climate Fund I, which raised $12 million, and MCJ Climate Fund II, which secured $30 million, demonstrating their growing capacity and commitment to the climate tech space. Their extensive portfolio includes over 100 companies, benefiting not only from capital but also from access to a vibrant community of over 3,000 members. This network provides invaluable mentorship, strategic partnerships, and peer support, significantly enhancing the probability of success for their portfolio companies. MCJ Collective's integrated strategy positions them as a key enabler for the next generation of climate innovators.

Investor Profile

MCJ Collective has backed more than 78 startups, with 9 new investments in the last 12 months alone. The firm has led 0 rounds, about 0% of its total and boasts 0 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Seed, Series A, Series B rounds (top funding stages).
  • Majority of deals are located in United States, United Kingdom, Norway.
  • Strong thematic focus on Renewable Energy, Software, Energy.
  • Typical check size: $250K – $1M.

Stage Focus

  • Seed (47%)
  • Series A (32%)
  • Series B (9%)
  • Series C (4%)
  • Pre Seed (4%)
  • Series E (1%)
  • Series D (1%)
  • Series Unknown (1%)

Country Focus

  • United States (85%)
  • United Kingdom (4%)
  • Norway (3%)
  • Canada (3%)
  • The Netherlands (1%)
  • Switzerland (1%)
  • Kenya (1%)
  • Denmark (1%)
  • Germany (1%)

Industry Focus

  • Renewable Energy
  • Software
  • Energy
  • Sustainability
  • Information Technology
  • Cleantech
  • Artificial Intelligence (Ai)
  • Greentech
  • Enterprise Software
  • Marketplace
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FAQ

Frequently Asked Questions

Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.

Who does MCJ Collective frequently co-invest with?

Climate Capital
North America, California, United States, San Francisco
Co-Investments: 16
Congruent Ventures
North America, California, United States, San Francisco
Co-Investments: 8
Y Combinator
North America, California, United States, Mountain View
Co-Investments: 6
BoxGroup
North America, New York, United States, New York
Co-Investments: 6
Breakthrough Energy Ventures
Europe, Ile-de-France, France, Paris
Co-Investments: 11
Collaborative Fund
North America, New York, United States, New York
Co-Investments: 6
Union Square Ventures
North America, New York, United States, New York
Co-Investments: 6
Lowercarbon Capital
North America, Wyoming, United States, Jackson
Co-Investments: 26
Coatue
North America, New York, United States, New York
Co-Investments: 5
Alumni Ventures
North America, New Hampshire, United States, Manchester
Co-Investments: 6

Which angels does MCJ Collective often collaborate with?

FG
North America, New York, United States, New York
Shared Deals: 2
Marcos Galperin
South America, Distrito Federal, Argentina, Buenos Aires
Shared Deals: 2
SW
North America, Florida, United States, Palm Beach Gardens
Shared Deals: 2
SL
North America, California, United States, San Francisco
Shared Deals: 3
JG
North America, California, United States, San Francisco
Shared Deals: 2
Manu Ginobilli
South America, Buenos Aires, Argentina, Bahia Blanca
Shared Deals: 3
AW
North America, New York, United States, New York
Shared Deals: 2
RS
North America, California, United States, Menlo Park
Shared Deals: 2
Tobias Lütke
North America, Ontario, Canada, Ottawa
Shared Deals: 2
DH
Europe, Gullbringusysla, Iceland, Reykjavík
Shared Deals: 3

What are some of recent deals done by MCJ Collective?

LGND

Berkeley, California, United States

LGND is a technology business that specialises in AI-powered spatial data solutions.

Artificial Intelligence (AI)SoftwareSoftware Engineering
SeedJul 10, 2025
Amount Raised: $9,000,000
Rhizome

Washington, District of Columbia, United States

Rhizome is helping electric utilities assess and prevent climate-induced power grid failures.

Artificial Intelligence (AI)Enterprise SoftwareFacilities Support ServicesInfrastructurePower Grid
SeedMay 21, 2025
Amount Raised: $6,500,000
The Nuclear Company

Lexington, Kentucky, United States

The Nuclear Company is a fleet-scale nuclear deployment firm that offers for nuclear sectors.

Clean EnergyElectrical DistributionNuclear
Series AMay 15, 2025
Amount Raised: $46,299,833
Exowatt

Miami, Florida, United States

Powering AI with 24-hour Dispatchable Solar

Artificial Intelligence (AI)Data CenterEnergyEnergy StorageRenewable Energy
Series AApr 22, 2025
Amount Raised: $35,000,000
Fourier

Palo Alto, California, United States

Fourier is develops a modular and fully automated hydrogen production system.

EnergyRenewable EnergySustainability
Series AApr 2, 2025
Amount Raised: $18,624,983
Moment Energy

Coquitlam, British Columbia, Canada

Moment Energy is a clean energy company that provides battery energy storage systems from repurposed electric vehicle batteries.

BatteryEnergyManufacturingNational SecurityRenewable EnergySupply Chain Management
Series AJan 16, 2025
Amount Raised: $15,000,000
Heirloom

Brisbane, California, United States

Heirloom is a provider of direct air capture technology to enhance the natural process of CO2 absorption from the atmosphere.

Carbon CaptureMineralMining TechnologySustainability
Series BDec 4, 2024
Amount Raised: $150,000,000
Zeno

Oakland, California, United States

Zeno is a climate conscious motor company that offers eco-friendly motorcycles.

AutomotiveCleanTechGreen Consumer GoodsSustainability
SeedSep 19, 2024
Amount Raised: $9,500,000
Mantel

Cambridge, Massachusetts, United States

Mantel proposes a method to trap CO2 before it enters the atmosphere.

Environmental Consulting
Series ASep 5, 2024
Amount Raised: $30,000,000
Paces

Brooklyn, New York, United States

Paces is a data insight platform for green infrastructure developers, operators, and investors to build more projects.

GreenTechProject ManagementSolar
Series AJul 24, 2024
Amount Raised: $11,000,000