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Walnut Ventures

Walnut Ventures

Cambridge, Massachusettswalnutventures.com

Overview

Walnut Ventures is a group of experienced entrepreneurs and executives who invest in and mentor seed and early stage companies with technology-based B2B or B2C products . In 2020, 39 companies pitched to the membership at their formal meetings .

Year Founded

1997

Portfolio Companies

16

Investments

Walnut Ventures investments
CompanyDateStageLead
ezCaterOct 2012Series A ExtensionCo-investor
VoatzJan 2018SeedCo-investor
AceUpMar 2019SeedCo-investor
Cayuga BiotechDec 2025SeedCo-investor
MetrobiAug 2021SeedCo-investor
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Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

Portfolio analytics

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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

Caplight clients see yearly investment pace and funding raised over time.

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FAQ

Where is Walnut Ventures based?

Walnut Ventures is headquartered in Cambridge, Massachusetts, United States.

When was Walnut Ventures founded?

Walnut Ventures was founded in 1997.

How many portfolio companies does Walnut Ventures have?

Walnut Ventures has 16 portfolio companies in Caplight's dataset.

What are some companies in Walnut Ventures's portfolio?

Portfolio companies visible on Caplight include ezCater, Voatz, AceUp, Cayuga Biotech, Metrobi.

What was Walnut Ventures's most recent investment shown here?

Walnut Ventures's most recent investment in this portfolio sample was in Cayuga Biotech in 2025.

What sectors does Walnut Ventures focus on?

Walnut Ventures focuses on Healthcare & Life Sciences, Healthcare & Life Sciences, Consumer & Commerce, Healthcare & Life Sciences, Consumer & Commerce, Real Estate & PropTech, Healthcare & Life Sciences, Healthcare & Life Sciences, Enterprise Software, Consumer & Commerce, Mobility, Transportation & Logistics, Frontier & Industrial Tech, Consumer & Commerce, Enterprise Software, FinTech, Enterprise Software, Cybersecurity, FinTech, Energy & Sustainability, Mobility, Transportation & Logistics, Mobility, Transportation & Logistics, Enterprise Software, Enterprise Software, Enterprise Software, AI, Data & Cloud Infrastructure, AI, Data & Cloud Infrastructure, Enterprise Software.

What company stages does Walnut Ventures focus on?

Walnut Ventures typically invests at the Early stage.

What is Walnut Ventures's AUM?

Walnut Ventures's assets under management are estimated between $50.0M and $100.0M.

Firmographic Details

HeadquartersCambridge, Massachusetts
Year Founded1997

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