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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

9

Investments

The Lemelson Foundation investments
CompanyDateStageLead
AmbercycleDec 2020SeedCo-investor
Solid CarbonMar 2025AcceleratorCo-investor
Hydronomy, Inc.Jan 2021AcceleratorCo-investor
Insu Health DesignJul 2019GrantCo-investor
InnAccel Technologies-GrantCo-investor
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Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
2023
2024
2025
2026

Portfolio analytics

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FAQ

Where is The Lemelson Foundation based?

The Lemelson Foundation is headquartered in Portland, Oregon, United States.

When was The Lemelson Foundation founded?

The Lemelson Foundation was founded in 1992.

How many portfolio companies does The Lemelson Foundation have?

The Lemelson Foundation has 9 portfolio companies in Caplight's dataset.

What are some companies in The Lemelson Foundation's portfolio?

Portfolio companies visible on Caplight include Ambercycle, Solid Carbon, Hydronomy, Inc., Insu Health Design, InnAccel Technologies.

What was The Lemelson Foundation's most recent investment shown here?

The Lemelson Foundation's most recent investment in this portfolio sample was in Solid Carbon in 2025.

What sectors does The Lemelson Foundation focus on?

The Lemelson Foundation focuses on Healthcare & Life Sciences, Energy & Sustainability, Energy & Sustainability, Healthcare & Life Sciences, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Frontier & Industrial Tech, Energy & Sustainability, Frontier & Industrial Tech, Frontier & Industrial Tech, Healthcare & Life Sciences, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Consumer & Commerce, FinTech.

What company stages does The Lemelson Foundation focus on?

Stage focus information for The Lemelson Foundation is not publicly available.

What is The Lemelson Foundation's AUM?

The Lemelson Foundation's assets under management are estimated between $417.0M and $417.0M.

Firmographic Details

HeadquartersPortland, Oregon
Year Founded1992

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