# Whisker Labs funding: rounds and investors

> Whisker Labs has raised $22M across 3 rounds since 2015. Investors include Polaris Partners, Sinovation Ventures and Elemental Impact.

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

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

# Who invested in *Whisker Labs*

3 rounds we have observed, with the 5 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.

AI

Raised 6 months ago

Funding summary Updated 26 Oct 2026

**$22M** raised across 3 rounds since 2015, from 3 sources

**$15M** Debt **$6.6M** Series D

- **Latest round:** Series D, $6.6M May 2026
- **Biggest round:** $15M Debt · Jun 2025
- **Investors:** 5

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.

2015 2017 2019 2021 2023 2025

**?** Round

**$15M** Debt

**$6.6M** Series D

- **First round:** Round
- **Biggest round:** $15M
- **Usual gap between rounds:** 10.3 years

## The rounds

- **May 2026** Series D **$6.6M** *3 returning* [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Sinovation Ventures](https://millionrounds.com/fund/sinovation-ventures) [Elemental Impact](https://millionrounds.com/fund/elemental-impact) Source recorded SEC filing: $6.6M sold
- **Jun 2025** Debt **$15M** *3 new* [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Sinovation Ventures](https://millionrounds.com/fund/sinovation-ventures) [Elemental Impact](https://millionrounds.com/fund/elemental-impact) Source recorded
- **Feb 2015** Round **Amount undisclosed** *2 new* [Idea Bulb Ventures](https://millionrounds.com/fund/idea-bulb-ventures) [Co-Creation Capital](https://millionrounds.com/fund/co-creation-capital) From a historical funding record

## Founders and team

From Whisker Labs's own website: 2 founders, 2 on the team.

**Bob Marshall** Chief Executive Officer and Co-founder

**Chris Sloop** Chief Technology Officer and Co-founder

- **Mike Kalten** Chief Financial Officer
- **Dan O'Connell** General Counsel

## 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.

**Round** 2015 **Debt** 2025 **Series D** 2026 [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Sinovation Ventures](https://millionrounds.com/fund/sinovation-ventures) [Elemental Impact](https://millionrounds.com/fund/elemental-impact) [Idea Bulb Ventures](https://millionrounds.com/fund/idea-bulb-ventures) [Co-Creation Capital](https://millionrounds.com/fund/co-creation-capital)

## Everyone who backed them

[Polaris Partners](https://millionrounds.com/fund/polaris-partners) VC firm **2** rounds

[Sinovation Ventures](https://millionrounds.com/fund/sinovation-ventures) VC firm **2** rounds

[Elemental Impact](https://millionrounds.com/fund/elemental-impact) VC firm **2** rounds

[Idea Bulb Ventures](https://millionrounds.com/fund/idea-bulb-ventures) VC firm **1** round

[Co-Creation Capital](https://millionrounds.com/fund/co-creation-capital) VC firm **1** round

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

## Quick answers about Whisker Labs

### Who invested in Whisker Labs?

Whisker Labs's investors include Polaris Partners, Sinovation Ventures, Elemental Impact, Idea Bulb Ventures and Co-Creation Capital.

### How much has Whisker Labs raised?

Whisker Labs has raised $22M across 3 rounds since 2015. One round did not disclose an amount, so the total is a floor.

### When did Whisker Labs last raise?

Whisker Labs's most recent round was a Series D of $6.6M in May 2026.

### What was Whisker Labs's biggest round?

Whisker Labs's largest round on record is $15M (Debt), in Jun 2025.

### Who backed Whisker Labs first?

Whisker Labs's first round on record, in Feb 2015, was backed by Idea Bulb Ventures and Co-Creation Capital.

### What stage is Whisker Labs at?

Whisker Labs's latest named round is a Series D, in May 2026.

### Where is Whisker Labs based?

Whisker Labs is based in the United States.

## Companies like Whisker Labs

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

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

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