United States · Who invested in Circuit?
Circuit's investors include Nyca Partners, MKB, Gaingels, IDG Capital and Soma Capital, and 15 more on record.
2026
$17MSeries B$4.5MSeed$30MRound$30MSeries AUnited States · Series A startup
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.
Raised 5 months ago
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Funding summaryUpdated 5 Nov 2026
$82Mraised across 4 rounds since 2025, from 4 sources
$17MSeries B$4.5MSeed$30MRound$30MSeries A
- Latest round
- Series A, $30MJun 2026
- Investors
- 20 (2 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series B, $17M Feb 2025
- Biggest round
- $30M Series A · Jun 2026
- Usual gap between rounds
- 5 months the median of 3
The rounds
- Jun 2026Series A$30M
No investor was named in the report.
Source recorded
- Feb 2026Round$30M8 new
IDG Capital
Four Rivers Group- Gary Rieschel
Craig Robins- Niccolo De Masi
- Charlie Amato
- Gary Petersen
- Tom Long
Reported by VentureburnSEC filing: $150K sold, first sale Jul 2025
- Jul 2025Seed$4.5M7 new
Nyca PartnersLead
Soma Capital
Silicon Badia
Belvedere Strategic Capital
Druid Ventures
New Form Capital
The Venture Dept.
Reported by AlleyWatchSEC filing: $600K sold, first sale Sept 2025
- Feb 2025Series B$17M5 new
Reported by AlleyWatchSEC 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 B2025Seed2025Round2026Series A2026Nyca PartnersL
MKBL
GaingelsIDG CapitalSoma Capital
Tribeca Venture Partners
Third SphereSilicon BadiaFour Rivers Group
Los Angeles Cleantech Incubator
Nyca PartnersLMKBLGaingelsIDG CapitalSoma CapitalTribeca Venture PartnersThird SphereSilicon BadiaFour Rivers GroupLos Angeles Cleantech IncubatorEveryone who backed them
Gary RieschelAngel1round
Niccolo De MasiVC firm1round
Charlie AmatoInvestment firm1round
Gary PetersenAngel1round
Tom LongAngel1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Circuit
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.
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