United States · 
Who invested in Oratomic?
Oratomic's investors include Khosla Ventures, Spark Capital, ARCH Venture Partners, General Catalyst and Index Ventures, and 3 more on record. General Catalyst led its latest round.
2027
$300MSeries A$475MSeries B
United States · Series B startup
Who invested in Oratomic
2 rounds we have observed, with the 8 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 1 month ago
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Funding summaryUpdated 5 Nov 2026
$775Mraised across 2 rounds since 2026, from 3 sources
$300MSeries A$475MSeries B
- Latest round
- Series B, $475MOct 2026
- Led by
- General Catalyst and Khosla Venturesand 4 more
- Step-upi
- 1.6×
- Investors
- 8 (6 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 A, $300M Jul 2026
- Biggest round
- $475M Series B · Oct 2026
- Between rounds
- 3 months from the last two
The rounds
- Oct 2026Series B$475M6 returning
General CatalystLead
Khosla VenturesLead
Index VenturesLead
Spark CapitalLead
ARCH Venture PartnersLead
Bezos ExpeditionsLead
Reported by Silicon Angle and 1 other
- Jul 2026Series A$300M8 new
- Khosla VenturesLead
- Spark CapitalLead
- ARCH Venture PartnersLead
- General Catalyst
- Index Ventures
Lowercarbon Capital- Bezos Expeditions
Bain Capital
Reported by TechCrunch
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 A2026Series B2026Khosla VenturesLLSpark CapitalLLARCH Venture PartnersLLGeneral CatalystLIndex VenturesLBezos ExpeditionsLLowercarbon CapitalBain Capital
Khosla VenturesLLSpark CapitalLLARCH Venture PartnersLLGeneral CatalystLIndex VenturesLBezos ExpeditionsLLowercarbon CapitalBain CapitalEveryone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 3 firms list Oratomic 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 Oratomic
How much has Oratomic raised?
Oratomic has raised $775M across 2 rounds since 2026.
When did Oratomic last raise?
Oratomic's most recent round was a Series B of $475M in Oct 2026, led by General Catalyst.
What was Oratomic's biggest round?
Its most recent round, $475M in Oct 2026, is also its largest on record.
Who backed Oratomic first?
Oratomic's first round on record, in Jul 2026, was backed by Khosla Ventures, Spark Capital and ARCH Venture Partners and 5 others.
What stage is Oratomic at?
Oratomic's latest named round is a Series B, in Oct 2026.
Where is Oratomic based?
Oratomic is based in the United States.
Who led Oratomic's rounds?
Khosla Ventures led the Series A in 2026; General Catalyst led the Series B in 2026.
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