United States · 
Who invested in Coolant?
Coolant's investors include Floodgate, Dorm Room Fund, General Catalyst and Ponderosa Ventures.
20242025
$800KPre-seed$4.3MSeed
United States · Seed startup
Who invested in Coolant
Funding summaryUpdated 26 Oct 2026
$5.1Mraised across 2 rounds since 2023, from 2 sources
$800KPre-seed$4.3MSeed
- Latest round
- Seed, $4.3MApr 2025
- Step-upi
- 5.4×
- 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
- Pre-seed, $800K Jul 2023
- Biggest round
- $4.3M Seed · Apr 2025
- Between rounds
- 21 months from the last two
The rounds
- Apr 2025
- Jul 2023
Founders and team
From Coolant's own website: 3 founders, 1 on the team.
Michael WuCo-Founder and CEO
Belal ShaheenCo-Founder and CTO
Matthew ZaneCo-Founder and COO
- Haato WatanabeSummer 2026 Intern
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 Coolant
How much has Coolant raised?
Coolant has raised $5.1M across 2 rounds since 2023.
When did Coolant last raise?
Coolant's most recent round was a Seed of $4.3M in Apr 2025.
What was Coolant's biggest round?
Its most recent round, $4.3M in Apr 2025, is also its largest on record.
Who backed Coolant first?
Coolant's first round on record, in Jul 2023, was backed by Floodgate and Dorm Room Fund.
What stage is Coolant at?
Coolant's latest named round is a Seed, in Apr 2025.
Where is Coolant based?
Coolant is based in the United States.
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