Halcyon

SoftwareSeries ASan Francisco, UShalcyon.io

Latest round

Series A

Last raised

Mar 2026

Total raised

$32M

Investors

6

About Halcyon

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.

Who invested in Halcyon

6 investors across 2 rounds

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Funding rounds

  1. Series A

    Mar 16, 2026

    Amount

    $21M

    Investors

    Locked

  2. Seed

    Apr 18, 2024

    Amount

    $11M

    Investors

    Locked

Questions about Halcyon

Who invested in Halcyon?

Halcyon has 6 investors on record across 2 venture rounds. Sign up free to see every VC on the cap table and the rounds they joined.

How much funding has Halcyon raised?

Halcyon has raised 2 venture rounds. Sign up free to see how much each round raised and the total.

When did Halcyon last raise money?

Halcyon's most recent round on record is a Series A, in Mar 2026.

What does Halcyon do?

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.

Where is Halcyon headquartered?

Halcyon is headquartered in San Francisco, US.

Which VCs invest in companies like Halcyon?

Among active investors with capital left to deploy, Andreessen Horowitz, Founders Fund, Accel and Thrive Capital back software companies at Halcyon's stage. Their profiles are linked below.

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