United States · 
Who invested in OpenTrons?
OpenTrons's investors include SOSV, Y Combinator, Khosla Ventures, Lerer Hippeau and SoftBank, and 6 more on record.
201420162018202020222024
$25KSeed?Round?Venture$10MSeed$20MSeries D
United States · Series D startup
Who invested in OpenTrons
Funding summaryUpdated 26 Oct 2026
$30Mraised across 6 rounds since 2014, from 6 sources
$25KSeed$10MSeed$20MSeries D
- Latest round
- Series D, $20MDec 2025
- Step-upi
- 2×
- Investors
- 11
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, $25K Jul 2014
- Biggest round
- $20M Series D · Dec 2025
- Usual gap between rounds
- 11 months the median of 5
The rounds
- Dec 2025Series D$20M6 new1 returning
Source recorded
- Mar 2018
- Oct 2015VentureAmount undisclosed
No investor was named in the report.
From a historical funding record
- Nov 2014VentureAmount undisclosed
No investor was named in the report.
From a historical funding record
- Sept 2014
- Jul 2014
Founders and team
From OpenTrons's own website: 5 on the team.
- James AtwoodCEO
- Boris MindzakVP Legal
- Censia PottorfGlobal Head of HR
- Gavin BogartVP Finance
- Greg ColeVP Engineering
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.
Seed2014Round2014Venture2014Venture2015Seed2018Series D2025
SOSV
Y Combinator
Khosla Ventures
Lerer Hippeau
SoftBankSoftBank Vision Fund
Fifty YearsHAXLR8RY Combinator ContinuityJeff Kindler
SOSVY CombinatorKhosla VenturesLerer HippeauSoftBankSoftBank Vision FundFifty YearsHAXLR8RY Combinator ContinuityJeff KindlerEveryone who backed them
SoftBank Vision FundVC firm1round
HAXLR8RVC firm1round
Y Combinator ContinuityVC firm1round
Jeff Kindlerno record of our own yet1round
Khosla Ventures/ Lerer Hippeauno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 6 firms list OpenTrons as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about OpenTrons
How much has OpenTrons raised?
OpenTrons has raised $30M across 6 rounds since 2014. 3 rounds did not disclose an amount, so the total is a floor.
When did OpenTrons last raise?
OpenTrons's most recent round was a Series D of $20M in Dec 2025.
What was OpenTrons's biggest round?
Its most recent round, $20M in Dec 2025, is also its largest on record.
Who backed OpenTrons first?
OpenTrons's first round on record, in Jul 2014, was backed by HAXLR8R.
What stage is OpenTrons at?
OpenTrons's latest named round is a Series D, in Dec 2025.
Where is OpenTrons based?
OpenTrons is based in the United States.
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