Who has invested in Castor?

European Commission are named among the investors backing Castor.

Castor Funding: $65M Raised, Series B (2025)

Castor is based in Amsterdam, Netherlands. It has raised $65M in total funding. Latest round: Series B. Backed by European Commission.

Castor funding overview

Castor is based in Amsterdam, Netherlands. Castor has raised $65M in total disclosed funding. That places its disclosed total in the $25M–$100M range. Its most recent disclosed round is a Series B announced in July 2025. The round record for Castor runs through 2025; nothing later has been disclosed. Investors on record include European Commission.

Castor at a glance

Total raised: $65M
Latest round: Series B
Latest round date: July 2025
Headquarters: Amsterdam, Netherlands
Notable investors: European Commission

Frequently asked about Castor funding

How much has Castor raised?: Castor has raised $65M in total disclosed funding across the rounds on record.
Who has invested in Castor?: European Commission are named among the investors backing Castor.
What was the latest Castor funding round?: The most recent disclosed round is a Series B, announced in July 2025.
Where is Castor based?: Castor is based in Amsterdam, Netherlands.
When did Castor last raise?: The last disclosed Castor round closed in July 2025 at Series B.

Totals shown for Castor aggregate every disclosed round on file. To see how that compares, browse the companies in Amsterdam and the investors behind them below.

Castor pitch deck

The investor deck Castor used to raise — 2021, Series B, 9-slide deck is broken down slide by slide, including the slides it leads with and the questions it leaves open.

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