NEWCaplight raises a $16M Series A, led by BlackRock and Fin Capital →
Skip to main content
Caplight Logo









The Lemelson Foundation

The Lemelson Foundation

Portland, Oregonlemelson.org

Overview

The Lemelson Foundation is a private foundation that supports invention and invention-based enterprises to solve social and environmental challenges through grants and program-related investments.

Year Founded

1992

Portfolio Companies

8

Investments

The Lemelson Foundation investments
CompanyDateStageLead
CIST East Africa Industries LimitedJun 2025GrantCo-investor
Solid CarbonMar 2025AcceleratorCo-investor
Adventus RoboticsApr 2021GrantCo-investor
Hydronomy, Inc.Jan 2021AcceleratorCo-investor
AmbercycleDec 2020SeedCo-investor

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

Premium
SeedSeries ASeries BGrowth

Unlock portfolio analytics

Sign up to view full sector, stage, and valuation breakdowns for this investor.

Investment Activity

Yearly cadence, pace, and funding raised over time.

Premium
2021
2022
2023
2024
2025
2026

Unlock portfolio analytics

Sign up to explore yearly investment trends and funding raised over time.

FAQ

Firmographic Details

HeadquartersPortland, Oregon
Year Founded1992

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.