United States · Series B startup

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 summaryUpdated 26 Oct 2026

$88Mraised across 2 rounds since 2019, from 2 sources

$63MSeries A$25MSeries B
Latest round
Series B, $25MMar 2023
Biggest round
$63MSeries 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.

20192020202120222023
$63MSeries A$25MSeries B
First round
Series A, $63M
Jan 2019
Biggest round
$63M
Series A · Jan 2019
Between rounds
4.2 years
from the last two

The rounds

  1. Mar 2023
    Series B$25M2 new

    Source recordedSEC filing: $25M sold, first sale Nov 2022

  2. Jan 2019
    Series A$63M2 new

    Source recorded

Founders and team

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

  • Peter MajeranowskiChief Executive Officer
  • Conor W HartmanPresident
  • Kaushik VasheeChief Operating Officer
  • Puneet VermaChief Financial Officer
  • Teresa KrugChief Product Officer
  • Arshiya LalVP, Business Development & Marketing
  • Kathleen RademanVP, Commercial Strategy
  • Sarah KohoutVP, People
  • Guillaume ThoméGeneral Manager, Circ France
  • Christopher W AustinGeneral Counsel
  • Julie W WilloughbyExecutive Officeri
  • Luke W HenningExecutive Officeri

On the board, as filediEdward W ScottGreg CurtisLibby W WaymanYasutaka 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.

Everyone who backed them

Temasek HoldingsVC firm1round
Idinvest PartnersPrivate equity1round
Breakthrough EnergyVC firm1round
Target GlobalVC firm1round

Missing a round, or an investor who was in one? Tell us.

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.

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