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Halcyon

Halcyon

Washington D.C.halcyonaccelerator.org

Overview

Halcyon is a nonprofit organization that accelerates the impact-driven future of business by supporting early-stage social entrepreneurs with ventures in Climate, Health, and EquityTech.

Year Founded

2014

Portfolio Companies

35

Investments

Halcyon investments
CompanyDateStageLead
PuberryMay 2026SeedCo-investor
ThermoVerseApr 2026AcceleratorCo-investor
Sesi TechnologiesApr 2026AcceleratorCo-investor
eSusFarmApr 2026AcceleratorCo-investor
TheoremJan 2026SeedCo-investor

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

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Firmographic Details

HeadquartersWashington D.C.
Year Founded2014

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