United States · 
Who invested in Arbiter?
Arbiter's investors include MFO Ventures, TriEdge Investments and Tandem Capital. MFO Ventures led its latest round.
201420162018202020222024
?Round$52MRoundUnited States · Funded startup
Who invested in Arbiter
2 rounds we have observed, with the 3 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 12 months ago
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Funding summaryUpdated 15 Nov 2026
$52Mraised across 2 rounds since 2014, from 2 sources
- Latest round
- Round, $52MNov 2025
- Led by
- MFO Ventures and TriEdge Investments
- Investors
- 3 (2 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 2014
- Biggest round
- $52M Round · Nov 2025
- Between rounds
- 11.4 years from the last two
The rounds
- Nov 2025
- Jul 2014
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.
Also claim to have backed them
These 2 firms list Arbiter 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 Arbiter
How much has Arbiter raised?
Arbiter has raised $52M across 2 rounds since 2014. One round did not disclose an amount, so the total is a floor.
When did Arbiter last raise?
Arbiter's most recent round was an Undisclosed round of $52M in Nov 2025, led by MFO Ventures.
What was Arbiter's biggest round?
Its most recent round, $52M in Nov 2025, is also its largest on record.
Who backed Arbiter first?
Arbiter's first round on record, in Jul 2014, was backed by Tandem Capital.
What stage is Arbiter at?
Arbiter's latest named round is an Undisclosed round, in Nov 2025.
Where is Arbiter based?
Arbiter is based in the United States.
Who led Arbiter's rounds?
MFO Ventures led the Undisclosed round in 2025.
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