# Circ funding: rounds and investors

> Circ has raised $88M across 2 rounds since 2019. Investors include Temasek Holdings, Idinvest Partners and Breakthrough Energy. Every round with its source.

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

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

# Who invested in *Circ*

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.

Climate Tech

Funding summary Updated 26 Oct 2026

**$88M** raised across 2 rounds since 2019, from 2 sources

**$63M** Series A **$25M** Series B

- **Latest round:** Series B, $25M Mar 2023
- **Biggest round:** $63M Series A · Jan 2019
- **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.

2019 2020 2021 2022 2023

**$63M** Series A

**$25M** Series B

- **First round:** Series A, $63M
- **Biggest round:** $63M
- **Between rounds:** 4.2 years

## The rounds

- **Mar 2023** Series B **$25M** *2 new* [Temasek Holdings](https://millionrounds.com/fund/temasek) [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) Source recorded SEC filing: $25M sold, first sale Nov 2022
- **Jan 2019** Series A **$63M** *2 new* [Idinvest Partners](https://millionrounds.com/fund/idinvest-partners) [Target Global](https://millionrounds.com/fund/target-global) Source recorded

## Founders and team

From Circ's own website and the SEC filings it signed: 12 on the team.

- **Peter Majeranowski** Chief Executive Officer
- **Conor W Hartman** President
- **Kaushik Vashee** Chief Operating Officer
- **Puneet Verma** Chief Financial Officer
- **Teresa Krug** Chief Product Officer
- **Arshiya Lal** VP, Business Development & Marketing
- **Kathleen Rademan** VP, Commercial Strategy
- **Sarah Kohout** VP, People
- **Guillaume Thomé** General Manager, Circ France
- **Christopher W Austin** General Counsel
- **Julie W Willoughby** Executive Officer i
- **Luke W Henning** Executive Officer i

On the board, as filed i *Edward W Scott* *Greg Curtis* *Libby W Wayman* *Yasutaka W Nishimune*

## 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.

**Series A** 2019 **Series B** 2023 [Temasek Holdings](https://millionrounds.com/fund/temasek) [Idinvest Partners](https://millionrounds.com/fund/idinvest-partners) [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) [Target Global](https://millionrounds.com/fund/target-global)

## Everyone who backed them

[Temasek Holdings](https://millionrounds.com/fund/temasek) VC firm **1** round

[Idinvest Partners](https://millionrounds.com/fund/idinvest-partners) Private equity **1** round

[Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) VC firm **1** round

[Target Global](https://millionrounds.com/fund/target-global) VC firm **1** round

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

## Quick answers about Circ

### Who invested in Circ?

Circ's investors include Temasek Holdings, Idinvest Partners, Breakthrough Energy and Target Global.

### How much has Circ raised?

Circ has raised $88M across 2 rounds since 2019.

### When did Circ last raise?

Circ's most recent round was a Series B of $25M in Mar 2023.

### What was Circ's biggest round?

Circ's largest round on record is $63M (Series A), in Jan 2019.

### Who backed Circ first?

Circ's first round on record, in Jan 2019, was backed by Idinvest Partners and Target Global.

### What stage is Circ at?

Circ's latest named round is a Series B, in Mar 2023.

### Where is Circ based?

Circ is based in the United States.

## Companies like Circ

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

[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**ZwitterCo** $58M · Oct 2026](https://millionrounds.com/company/zwitterco)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Kodama** $7.0M · Oct 2026](https://millionrounds.com/company/kodama)[**Stand** $105M · Oct 2026](https://millionrounds.com/company/stand)

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