United States · 
Who invested in Erebor?
Erebor's investors include Founders Fund, Robinhood Ventures, 8VC, Lux Capital and Haun Ventures, and 1 more on record. Robinhood Ventures led its latest round.
2026
?Round$350MVenture$30MRound
United States · Venture startup
Who invested in Erebor
3 rounds we have observed, with the 6 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 this monthValuation: $4.3B, Mar 2026
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Funding summaryUpdated 5 Nov 2026
$380Mraised across 3 rounds since 2025, from 3 sources
$350MVenture$30MRound
- Latest round
- Round, $30MOct 2026
- Led by
- Robinhood Ventures
- Biggest round
- $350MVenture · Dec 2025
- Investors
- 6 (1 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
- Round Jul 2025
- Biggest round
- $350M Venture · Dec 2025
- Usual gap between rounds
- 11 months the median of 2
The rounds
- Oct 2026
- Dec 2025
- Jul 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.
Round2025Venture2025Round2026
Founders Fund
Robinhood VenturesL
8VC
Lux Capital
Haun Ventures
Joe Lonsdale
Founders FundRobinhood VenturesL8VCLux CapitalHaun VenturesJoe LonsdaleEveryone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 22 firms list Erebor 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 Erebor
How much has Erebor raised?
Erebor has raised $380M across 3 rounds since 2025. One round did not disclose an amount, so the total is a floor.
When did Erebor last raise?
Erebor's most recent round, $30M, was in Oct 2026, led by Robinhood Ventures.
What was Erebor's biggest round?
Erebor's largest round on record is $350M (Venture), in Dec 2025.
Who backed Erebor first?
Erebor's first round on record, in Jul 2025, was backed by Founders Fund and Joe Lonsdale.
What stage is Erebor at?
Erebor's latest named round is a Venture, in Dec 2025.
Where is Erebor based?
Erebor is based in the United States.
Who led Erebor's rounds?
Robinhood Ventures led the funding round in 2026.
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