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Closed Loop Partners

North America, New York, United States, New City

Description

Closed Loop Partners is a leading investment firm dedicated to accelerating the transition to a circular economy. Based in the United States, the firm deploys capital across the entire value chain, from early-stage innovation to growth equity and infrastructure projects. Their mission is to foster sustainable systems by investing in companies and technologies that reduce waste, optimize resource use, and create circular supply chains for consumer goods. This holistic approach distinguishes them as a key player in environmental finance, aiming for both financial returns and significant ecological impact.

The firm operates through several specialized funds, each targeting different stages and types of investments. For instance, the Closed Loop Ventures Group focuses on seed to Series B companies developing cutting-edge solutions in areas like advanced recycling, sustainable packaging, and compostable materials. Their Closed Loop Leadership Fund provides growth equity to established businesses ready to scale circular practices. Additionally, the Closed Loop Infrastructure Fund supports large-scale projects, such as recycling facilities and composting operations, critical for building the necessary infrastructure for a circular economy.

Closed Loop Partners manages over $400 million in assets, demonstrating their substantial commitment to this sector. A notable initiative is the Closed Loop Circular Plastics Fund, which aims to deploy $100 million in capital to advance the recovery and reuse of plastics in the United States and Canada. This fund exemplifies their strategic focus on specific material streams to drive systemic change. Through their diverse investment vehicles, Closed Loop Partners seeks to not only fund innovative companies but also to build the foundational infrastructure required for a truly circular economic model.

Investor Profile

Closed Loop Partners has backed more than 39 startups, with 6 new investments in the last 12 months alone. The firm has led 16 rounds, about 41% of its total and boasts 1 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, Australia.
  • Strong thematic focus on Recycling, Food and Beverage, Waste Management.
  • Led 3 rounds in the past year.
  • Typical check size: $500K – $20M.

Stage Focus

  • Seed (33%)
  • Series A (26%)
  • Series B (10%)
  • Series Unknown (10%)
  • Debt Financing (5%)
  • Grant (5%)
  • Private Equity (5%)
  • Pre Seed (3%)
  • Series C (3%)

Country Focus

  • United States (67%)
  • United Kingdom (13%)
  • Australia (5%)
  • Argentina (5%)
  • Singapore (3%)
  • Switzerland (3%)
  • Chile (3%)
  • Canada (3%)

Industry Focus

  • Recycling
  • Food And Beverage
  • Waste Management
  • Agtech
  • Biotechnology
  • Supply Chain Management
  • Artificial Intelligence (Ai)
  • Machine Learning
  • Robotics
  • Information Technology
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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 Closed Loop Partners frequently co-invest with?

The Engine
North America, Massachusetts, United States, Cambridge
Co-Investments: 3
Prelude Ventures
North America, California, United States, San Francisco
Co-Investments: 5
Congruent Ventures
North America, California, United States, San Francisco
Co-Investments: 3
Acre Venture Partners
North America, California, United States, Santa Monica
Co-Investments: 3
Refactor
North America, California, United States, Burlingame
Co-Investments: 3
Salmira Investment Fund
North America, New York, United States, New York
Co-Investments: 2
The Drawdown Fund
North America, Utah, United States, Park City
Co-Investments: 2
Twynam Agricultural Group
Oceania, New South Wales, Australia, Sydney
Co-Investments: 2
The American Beverage Association
North America, District of Columbia, United States, Washington
Co-Investments: 3
Blindspot Ventures
North America, Massachusetts, United States, Boston
Co-Investments: 2

Which angels does Closed Loop Partners often collaborate with?

MR
Europe, England, United Kingdom, London
Shared Deals: 1
DM
Europe, England, United Kingdom, London
Shared Deals: 1
LR
North America, California, United States, Palo Alto
Shared Deals: 1
RP
Europe, Lombardia, Italy, Milan
Shared Deals: 1
JA
Europe, England, United Kingdom, London
Shared Deals: 1
PR
North America, California, United States, San Mateo
Shared Deals: 1
BH
Europe, Manchester, United Kingdom, Manchester
Shared Deals: 1
TD
North America, California, United States, Berkeley
Shared Deals: 1

What are some of recent deals done by Closed Loop Partners?

Supersede

Phoenix, Arizona, United States

Supersede changes the standard of building materials by replacing conventional wood-based products.

Building MaterialManufacturing
SeedJul 1, 2025
Amount Raised: $5,000,000
Supersede

Phoenix, Arizona, United States

Supersede changes the standard of building materials by replacing conventional wood-based products.

Building MaterialManufacturing
Debt FinancingJul 1, 2025
Amount Raised: $5,000,000
ClearCOGS

Philadelphia, Pennsylvania, United States

ClearCOGS is an AI-powered SaaS platform that helps restaurants optimize their operations and increase profitability.

Artificial Intelligence (AI)Machine LearningPredictive AnalyticsRestaurantsRetailSoftware
SeedApr 10, 2025
Amount Raised: $3,800,000
LAIIER

London, England, United Kingdom

LAIIER's leak detection solutions, advanced sensors and cloud analytics prevent damage and downtime in buildings and industrial equipment

ElectronicsManufacturing
SeedJan 27, 2025
Amount Raised: $4,000,000
Earthodic

Brisbane, Queensland, Australia

Earthodic is an Australian materials science business makes useful biobased coatings.

BiotechnologyRecycling
SeedOct 29, 2024
Amount Raised: $3,934,973
MOLG

Sterling, Virginia, United States

MOLG.ai specializes in circular manufacturing, utilizing robotics to autonomously disassemble complex electronic products.

Industrial AutomationInnovation ManagementManufacturingRobotics
SeedOct 9, 2024
Amount Raised: $5,500,000
Neutreeno

Cambridge, Massachusetts, United States

Neutreeno is a deep tech spinout from the University of Cambridge that engineers an intelligent decarbonization system.

Environmental Consulting
SeedOct 2, 2024
Amount Raised: $5,000,000
Frate

Toronto, Ontario, Canada

Frate pioneers peer-to-peer returns to save retailer profits and our planet.

Peer to PeerRetail TechnologyShippingSoftware
SeedSep 18, 2024
Amount Raised: $2,645,337
Eureka Recycling

Minneapolis, Minnesota, United States

Eureka Recycling specializes in waste reduction through reuse, recycling and composting.

Environmental EngineeringRecycling
Debt FinancingJul 22, 2024
Amount Raised: $10,000,000
Found Energy

Boston, Massachusetts, United States

Found Energy is a renewable energy company engaging in turning aluminum into a renewable energy carrier.

Clean EnergyEnergyEnergy EfficiencyRenewable Energy
SeedApr 17, 2024
Amount Raised: $12,000,000