# Circuit funding: rounds and investors

> Circuit has raised $82M across 4 rounds since 2025. Investors include Nyca Partners, MKB and Gaingels. Every round with its source.

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

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

# Who invested in *Circuit*

4 rounds we have observed, with the 20 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.

Advertising & Adtech AI Automotive & EVs Construction

Raised 5 months ago

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Funding summary Updated 5 Nov 2026

**$82M** raised across 4 rounds since 2025, from 4 sources

**$17M** Series B **$4.5M** Seed **$30M** Round **$30M** Series A

- **Latest round:** Series A, $30M Jun 2026
- **Investors:** 20 (2 led)

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.

2026

**$17M** Series B

**$4.5M** Seed

**$30M** Round

**$30M** Series A

- **First round:** Series B, $17M
- **Biggest round:** $30M
- **Usual gap between rounds:** 5 months

## The rounds

- **Jun 2026** Series A **$30M** No investor was named in the report. Source recorded
- **Feb 2026** Round **$30M** *8 new* [IDG Capital](https://millionrounds.com/fund/idg-capital) [Four Rivers Group](https://millionrounds.com/fund/four-rivers-group) [Gary Rieschel](https://millionrounds.com/fund/gary-rieschel) [Craig Robins](https://millionrounds.com/fund/craig-robins) [Niccolo De Masi](https://millionrounds.com/fund/niccolo-de-masi) [Charlie Amato](https://millionrounds.com/fund/charlie-amato) [Gary Petersen](https://millionrounds.com/fund/gary-petersen) [Tom Long](https://millionrounds.com/fund/tom-long) Reported by Ventureburn SEC filing: $150K sold, first sale Jul 2025
- **Jul 2025** Seed **$4.5M** *7 new* [Nyca Partners](https://millionrounds.com/fund/nyca-partners) Lead [Soma Capital](https://millionrounds.com/fund/soma-capital) [Silicon Badia](https://millionrounds.com/fund/badia-impact-fund) [Belvedere Strategic Capital](https://millionrounds.com/fund/belvedere-strategic-capital) [Druid Ventures](https://millionrounds.com/fund/druid-ventures) [New Form Capital](https://millionrounds.com/fund/new-form-capital) [The Venture Dept.](https://millionrounds.com/fund/the-venture-dept) Reported by AlleyWatch SEC filing: $600K sold, first sale Sept 2025
- **Feb 2025** Series B **$17M** *5 new* [MKB](https://millionrounds.com/fund/mkb) Lead [Gaingels](https://millionrounds.com/fund/gaingels) [Tribeca Venture Partners](https://millionrounds.com/fund/tribeca-venture-partners) [Third Sphere](https://millionrounds.com/fund/third-sphere) [Los Angeles Cleantech Incubator](https://millionrounds.com/fund/la-cleantech-incubator-laci) Reported by AlleyWatch SEC filing: $200K sold, first sale Jan 2025

## 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 B** 2025 **Seed** 2025 **Round** 2026 **Series A** 2026 [Nyca Partners](https://millionrounds.com/fund/nyca-partners) L [MKB](https://millionrounds.com/fund/mkb) L [Gaingels](https://millionrounds.com/fund/gaingels) [IDG Capital](https://millionrounds.com/fund/idg-capital) [Soma Capital](https://millionrounds.com/fund/soma-capital) [Tribeca Venture Partners](https://millionrounds.com/fund/tribeca-venture-partners) [Third Sphere](https://millionrounds.com/fund/third-sphere) [Silicon Badia](https://millionrounds.com/fund/badia-impact-fund) [Four Rivers Group](https://millionrounds.com/fund/four-rivers-group) [Los Angeles Cleantech Incubator](https://millionrounds.com/fund/la-cleantech-incubator-laci)

## Everyone who backed them

[Nyca Partners](https://millionrounds.com/fund/nyca-partners) VC firm **1** round, led 1

[MKB](https://millionrounds.com/fund/mkb) Growth equity **1** round, led 1

[Gaingels](https://millionrounds.com/fund/gaingels) Private equity **1** round

[IDG Capital](https://millionrounds.com/fund/idg-capital) Private equity **1** round

[Soma Capital](https://millionrounds.com/fund/soma-capital) VC firm **1** round

[Tribeca Venture Partners](https://millionrounds.com/fund/tribeca-venture-partners) VC firm **1** round

[Third Sphere](https://millionrounds.com/fund/third-sphere) VC firm **1** round

[Silicon Badia](https://millionrounds.com/fund/badia-impact-fund) VC firm **1** round

[Four Rivers Group](https://millionrounds.com/fund/four-rivers-group) VC firm **1** round

[Los Angeles Cleantech Incubator](https://millionrounds.com/fund/la-cleantech-incubator-laci) Accelerator **1** round

[Gary Rieschel](https://millionrounds.com/fund/gary-rieschel) Angel **1** round

[Craig Robins](https://millionrounds.com/fund/craig-robins) Angel **1** round

[Niccolo De Masi](https://millionrounds.com/fund/niccolo-de-masi) VC firm **1** round

[Belvedere Strategic Capital](https://millionrounds.com/fund/belvedere-strategic-capital) VC firm **1** round

[Charlie Amato](https://millionrounds.com/fund/charlie-amato) Investment firm **1** round

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

[Gary Petersen](https://millionrounds.com/fund/gary-petersen) Angel **1** round

[New Form Capital](https://millionrounds.com/fund/new-form-capital) VC firm **1** round

[The Venture Dept.](https://millionrounds.com/fund/the-venture-dept) VC firm **1** round

[Tom Long](https://millionrounds.com/fund/tom-long) Angel **1** round

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

## Quick answers about Circuit

### Who invested in Circuit?

Circuit's investors include Nyca Partners, MKB, Gaingels, IDG Capital and Soma Capital, and 15 more on record.

### How much has Circuit raised?

Circuit has raised $82M across 4 rounds since 2025.

### When did Circuit last raise?

Circuit's most recent round was a Series A of $30M in Jun 2026.

### What was Circuit's biggest round?

Its most recent round, $30M in Jun 2026, is also its largest on record.

### Who backed Circuit first?

Circuit's first round on record, in Feb 2025, was backed by MKB, Gaingels and Tribeca Venture Partners and 2 others.

### What stage is Circuit at?

Circuit's latest named round is a Series A, in Jun 2026.

### Where is Circuit based?

Circuit is based in the United States.

### Who led Circuit's rounds?

MKB led the Series B in 2025; Nyca Partners led the Seed in 2025.

## Companies like Circuit

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

[**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**Guava** $13M · Nov 2026](https://millionrounds.com/company/guava)[**Agrani Labs** $123M · Nov 2026](https://millionrounds.com/company/agrani-labs)[**Applied Compute** $580M · Nov 2026](https://millionrounds.com/company/applied-compute)

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