South Korea · 
Who invested in CarbonSix?
CarbonSix's investors include Storm Ventures and Foothill Ventures.
2026
$4.3MSeed$28MRound
South Korea · Seed startup
Who invested in CarbonSix
Funding summaryUpdated 26 Oct 2026
$32Mraised across 2 rounds since 2025, from 2 sources
$4.3MSeed$28MRound
- Latest round
- Round, $28MApr 2026
- Step-upi
- 6.5×
- Investors
- 2
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed, $4.3M May 2025
- Biggest round
- $28M Round · Apr 2026
- Between rounds
- 11 months from the last two
The rounds
- Apr 2026Round$28M
No investor was named in the report.
Filed with the SEC (Form D); no report of this raise yetSEC filing: $28M sold, first sale Apr 2026
- May 2025
Founders and team
From CarbonSix's own website: 4 founders.
Terry MoonCEO & Co-Founder
H.J. Terry Suh Ph.D.CTO & Co-Founder
Hunmin ChoCPO & Co-Founder
Jehyeok Kim Ph.D.CHO & Co-Founder
AdvisersRuss Tedrake Ph.D.
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
Missing a round, or an investor who was in one? Tell us.
Quick answers about CarbonSix
How much has CarbonSix raised?
CarbonSix has raised $32M across 2 rounds since 2025.
When did CarbonSix last raise?
CarbonSix's most recent round, $28M, was in Apr 2026.
What was CarbonSix's biggest round?
Its most recent round, $28M in Apr 2026, is also its largest on record.
Who backed CarbonSix first?
CarbonSix's first round on record, in May 2025, was backed by Storm Ventures and Foothill Ventures.
What stage is CarbonSix at?
CarbonSix's latest named round is a Seed, in May 2025.
Where is CarbonSix based?
CarbonSix is based in South Korea.
Companies like CarbonSix
In the same sector, and raised in the last eighteen months.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.