Who invested in CoolSys?
CoolSys's investors include Mizuho Corporate Bank.

United States · Funded startup
Funding summaryUpdated 26 Oct 2026
$40Mraised across 1 round since 2025, from 1 source
From CoolSys's own website: 13 on the team.
CoolSys's investors include Mizuho Corporate Bank.
CoolSys has raised $40M across 1 round since 2025.
CoolSys's most recent round was a Debt of $40M in Sept 2025.
Its most recent round, $40M in Sept 2025, is also its largest on record.
CoolSys's first round on record, in Sept 2025, was backed by Mizuho Corporate Bank.
CoolSys's latest named round is a Debt, in Sept 2025.
CoolSys is based in the United States.
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