United Kingdom · 
Who invested in Castore?
Castore's investors include HSBC, Felix Capital, SVB Capital and BNP Paribas.
202420252026
$184MGrowth$122MDebt
United Kingdom · Funded startup
Who invested in Castore
Funding summaryUpdated 26 Oct 2026
$306Mraised across 2 rounds since 2023, from 2 sources
$184MGrowth$122MDebt
- Latest round
- Debt, $122MMay 2026
- Biggest round
- $184MGrowth · Nov 2023
- Investors
- 4
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Growth, $184M Nov 2023
- Biggest round
- $184M Growth · Nov 2023
- Between rounds
- 2.5 years from the last two
The rounds
- May 2026
- Nov 2023
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Castore
How much has Castore raised?
Castore has raised $306M across 2 rounds since 2023.
When did Castore last raise?
Castore's most recent round was a Debt of $122M in May 2026.
What was Castore's biggest round?
Castore's largest round on record is $184M (Growth), in Nov 2023.
Who backed Castore first?
Castore's first round on record, in Nov 2023, was backed by SVB Capital, HSBC and Felix Capital.
What stage is Castore at?
Castore's latest named round is a Debt, in May 2026.
Where is Castore based?
Castore is based in the United Kingdom.
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