# Coolant funding: rounds and investors

> Coolant has raised $5.1M across 2 rounds since 2023. Investors include Floodgate, Dorm Room Fund and General Catalyst. Every round with its source.

Source: https://millionrounds.com/company/coolant (Millionrounds; every figure on the page links to its filing or article)

United States · [Seed startup](https://millionrounds.com/companies)

# Who invested in *Coolant*

2 rounds we have observed, with the 4 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Software

Funding summary Updated 26 Oct 2026

**$5.1M** raised across 2 rounds since 2023, from 2 sources

**$800K** Pre-seed **$4.3M** Seed

- **Latest round:** Seed, $4.3M Apr 2025
- **Step-up i:** 5.4×
- **Investors:** 4

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2024 2025

**$800K** Pre-seed

**$4.3M** Seed

- **First round:** Pre-seed, $800K
- **Biggest round:** $4.3M
- **Between rounds:** 21 months

## The rounds

- **Apr 2025** Seed **$4.3M** *2 new* *2 returning* [General Catalyst](https://millionrounds.com/fund/general-catalyst) [Floodgate](https://millionrounds.com/fund/floodgate) [Dorm Room Fund](https://millionrounds.com/fund/dorm-room-fund) [Ponderosa Ventures](https://millionrounds.com/fund/ponderosa-ventures) Source recorded
- **Jul 2023** Pre-seed **$800K** *2 new* [Floodgate](https://millionrounds.com/fund/floodgate) [Dorm Room Fund](https://millionrounds.com/fund/dorm-room-fund) Source recorded

## Founders and team

From Coolant's own website: 3 founders, 1 on the team.

**Michael Wu** Co-Founder and CEO

**Belal Shaheen** Co-Founder and CTO

**Matthew Zane** Co-Founder and COO

- **Haato Watanabe** Summer 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.

**Pre-seed** 2023 **Seed** 2025 [Floodgate](https://millionrounds.com/fund/floodgate) [Dorm Room Fund](https://millionrounds.com/fund/dorm-room-fund) [General Catalyst](https://millionrounds.com/fund/general-catalyst) [Ponderosa Ventures](https://millionrounds.com/fund/ponderosa-ventures)

## Everyone who backed them

[Floodgate](https://millionrounds.com/fund/floodgate) VC firm **2** rounds

[Dorm Room Fund](https://millionrounds.com/fund/dorm-room-fund) VC firm **2** rounds

[General Catalyst](https://millionrounds.com/fund/general-catalyst) VC firm **1** round

[Ponderosa Ventures](https://millionrounds.com/fund/ponderosa-ventures) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=coolant).

## Quick answers about Coolant

### Who invested in Coolant?

Coolant's investors include Floodgate, Dorm Room Fund, General Catalyst and Ponderosa Ventures.

### 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.

## Companies like Coolant

In the same sector, and raised in the last eighteen months.

[**TruAgents** $3.4M · Oct 2026](https://millionrounds.com/company/truagents)[**Fireworks AI** $1.7B · Oct 2026](https://millionrounds.com/company/fireworks-ai)[**VECKTA** $11M · Oct 2026](https://millionrounds.com/company/veckta)[**Punch** $11M · Oct 2026](https://millionrounds.com/company/punch)[**Othello** $8.0M · Oct 2026](https://millionrounds.com/company/othello)[**Applied Intuition** $640M · Oct 2026](https://millionrounds.com/company/applied-intuition)

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