United States · 
Who invested in River?
River's investors include Slow Ventures, Craft Ventures, Valor Equity Partners, Lowercarbon Capital and Toyota Ventures, and 6 more on record.
202420252026
$35MSeries B?Venture$12MRound
United States · Funded startup
Who invested in River
3 rounds we have observed, with the 11 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 9 months ago
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Funding summaryUpdated 5 Nov 2026
$47Mraised across 3 rounds since 2023, from 3 sources
$35MSeries B$12MRound
- Latest round
- Round, $12MJan 2026
- Biggest round
- $35MSeries B · May 2023
- 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
- Series B, $35M May 2023
- Biggest round
- $35M Series B · May 2023
- Usual gap between rounds
- 20 months the median of 2
The rounds
- Jan 2026
- Jun 2024
- May 2023Series B$35M5 new
Source recorded
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
Justin SunAngel1round
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Also claim to have backed them
This firm lists River as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about River
How much has River raised?
River has raised $47M across 3 rounds since 2023. One round did not disclose an amount, so the total is a floor.
When did River last raise?
River's most recent round was an Undisclosed round of $12M in Jan 2026.
What was River's biggest round?
River's largest round on record is $35M (Series B), in May 2023.
Who backed River first?
River's first round on record, in May 2023, was backed by Slow Ventures, Craft Ventures and Valor Equity Partners and 2 others.
What stage is River at?
River's latest named round is an Undisclosed round, in Jan 2026.
Where is River based?
River is based in the United States.
Companies like River
In the same sector, and raised in the last eighteen months.
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