# Halcyon

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/halcyon

- Industry: Software
- Headquarters: San Francisco, US
- Website: www.halcyon.io
- Total disclosed funding: $32M
- Latest round: Series A (Mar 16, 2026)
- Investors on record: 6

## About

Based in California, US, and founded in 2023 by Chief Executive Officer Bruce Falck, Chief Strategy Officer Nat Bullard, Chief Product Officer Jonathan Lewis, and Founding Engineer Alex Huras, Halcyon operates as a developer of platform that provides investors and analysts navigating the energy transition with tools for searching data. In March 2026, Halcyon raised USD 21 million in series A funding led by Energize Capital, with participation from Zero Infinity Partners, Obvious, Sabanci Ventures, and Congruent Ventures.

Halcyon developed an AI-assisted search and information, that offers professionals for navigating the energy transition and provides supercharged access to a wealth of information, allowing users to answer complex questions in minutes rather than days. The company’s platform includes AI-Assisted Discovery, which employs purpose-built search infrastructure and a knowledge graph to manage research and analysis. In addition, the firm provides a curated data catalog, that offers accessible information aggregated from governments, utilities, corporations, and industry organizations.

## Funding rounds

- Series A, Mar 16, 2026, $21M — Obvious, Congruent Ventures, Energize Capital, Zero Infinity Partners, Sabanci Ventures
- Seed, Apr 18, 2024, $11M — Obvious, Congruent Ventures, Overture

## Investors

- Obvious (https://capitalatlas.ai/funds/obvious) — Seed, Series A
- Congruent Ventures (https://capitalatlas.ai/funds/congruent-ventures) — Seed, Series A
- Overture (https://capitalatlas.ai/funds/overture) — Seed
- Energize Capital (https://capitalatlas.ai/funds/energize-capital) — Series A
- Zero Infinity Partners (https://capitalatlas.ai/funds/zero-infinity-partners) — Series A
- Sabanci Ventures (https://capitalatlas.ai/funds/sabanci-ventures) — Series A