Closed Loop Partners | Activity | F4

Introducing F4 Champions, a new accelerator for founders at the earliest stage.F4 Champions for early-stage foundersEnrollment closesAugust 2Learn more

Team Portfolio Raise Champions Essays

F4/Closed Loop Partners/Activity

Closed Loop Partners Activity

Every public signal F4 has attached to this firm, with sources and cross-entity links.

Types

Time range

3 investments· MAR 2026 – MAY 2026Show all

Investment

Closed Loop Partners provided over $5 million in catalytic capital financing to support a public-private partnership with the City of Providence to transform the city's materials collection system with new recycling carts and infrastructure.

City of Providence

City of Providence Closed Loop Partners

closedlooppartners.com

Added recently

Investment

Deployed $5M catalytic loan to Supersede for manufacturing equipment expansion and new facility in the Midwest.

Supersede

Supersede Closed Loop Partners

closedlooppartners.comMAY 2026

MAY 2026

Investment

Closed Loop Private Equity acquired majority interest in Sutter Metals, a leading metals management solutions provider in the U.S., marking the private equity group's entrance into metals and minerals circularity.

Sutter Metals

Sutter Metals Closed Loop Partners

closedlooppartners.comMAR 31, 2026

MAR 31, 2026

Exit

Private Equity Group acquired leading metals management solutions provider Sutter Metals, marking entry into metals and critical minerals circularity.

Sutter Metals

Sutter Metals Closed Loop Partners

closedlooppartners.comMAR 2026

MAR 2026

Milestone

Portfolio company Sage Sustainable Electronics acquired Cascade Asset Management to expand IT asset disposition capabilities.

Sage Sustainable Electronics

Sage Sustainable ElectronicsCascade Asset ManagementClosed Loop Partners

closedlooppartners.comFEB 2026

FEB 2026

Essay

Published annual investment thesis reflecting 2025 progress and 2026 focus on materials resilience and circular platforms.

What It Takes to Build a Resilient Economy in 2026

Closed Loop Partners

closedlooppartners.comJAN 2026

closedlooppartners.com

JAN 2026

5 investments· SEP 2025 – OCT 2025Show all

Investment

Deployed multi-million-dollar catalytic loan to Superior Fine Grind to expand rural recycling access.

Superior Fine Grind

Superior Fine GrindClosed Loop Partners

closedlooppartners.comOCT 2025

OCT 2025

Investment

Deployed $10M catalytic loan to TemperPack, a leader in sustainable packaging technology.

TemperPack

TemperPack Closed Loop Partners

closedlooppartners.comSEP 2025

SEP 2025

Investment

Deployed $10M+ catalytic loan to GreenMantra, a molecular recycling company creating specialty polymers from recycled plastics.

GreenMantra Technologies

GreenMantra TechnologiesClosed Loop Partners

closedlooppartners.comSEP 2025

prnewswire.com

SEP 2025

Investment

Led $4M seed round for LAIIER, a liquid leak detection platform reducing waste in supply chains.

LAIIER

LAIIER Closed Loop Partners

closedlooppartners.comSEP 2025

SEP 2025

Investment

Led $5.5M seed funding for Molg, a distributed remanufacturing and electronics circularity platform.

Molg

MolgClosed Loop Partners

closedlooppartners.comSEP 2025

SEP 2025

Exit

Private Equity Group acquired Agri-Cycle, a leading organics waste management platform serving 850+ commercial and industrial customers across 14 U.S. states.

Agri-Cycle

Agri-CycleClosed Loop Partners

closedlooppartners.comAUG 2025

AUG 2025

News

Released 2024 impact report showing portfolio has kept $5B+ worth of materials in circulation and avoided 25M+ metric tons of greenhouse gas emissions.

2024 Impact Report: $5B+ Materials in Circulation

Closed Loop Partners

closedlooppartners.comAUG 2025

AUG 2025

Investment

Participated in Supersede's $10M seed round for recyclable structural materials as alternative to marine-grade plywood.

Supersede

Supersede Closed Loop Partners

closedlooppartners.comJUL 2025

JUL 2025

Page 1 of 2