# Arbiter funding: rounds and investors > Arbiter has raised $52M across 2 rounds since 2014. Investors include MFO Ventures, TriEdge Investments and Tandem Capital. Every round with its source. Source: https://millionrounds.com/company/arbiter (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # 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. Healthtech Raised 12 months ago Follow Arbiter and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Farbiter) Funding summary Updated 15 Nov 2026 **$52M** raised across 2 rounds since 2014, from 2 sources - **Latest round:** Round, $52M Nov 2025 - **Led by:** MFO Ventures and TriEdge Investments - **Investors:** 3 (2 led) See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2014 2016 2018 2020 2022 2024 **?** Round **$52M** Round - **First round:** Round - **Biggest round:** $52M - **Between rounds:** 11.4 years ## The rounds - **Nov 2025** Round **$52M** *2 new* [MFO Ventures](https://millionrounds.com/fund/mfo-ventures) Lead [TriEdge Investments](https://millionrounds.com/fund/triedge-investments) Lead Reported by AlleyWatch - **Jul 2014** Round **Amount undisclosed** *1 new* [Tandem Capital](https://millionrounds.com/fund/tandem) From a historical funding record ## 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. **Round** 2014 **Round** 2025 [MFO Ventures](https://millionrounds.com/fund/mfo-ventures) L [TriEdge Investments](https://millionrounds.com/fund/triedge-investments) L [Tandem Capital](https://millionrounds.com/fund/tandem) ## Everyone who backed them [MFO Ventures](https://millionrounds.com/fund/mfo-ventures) Family office **1** round, led 1 [TriEdge Investments](https://millionrounds.com/fund/triedge-investments) Family office **1** round, led 1 [Tandem Capital](https://millionrounds.com/fund/tandem) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=arbiter). ## 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. [Ainsley Capital](https://millionrounds.com/fund/ainsley-capital) Family office Per its own site [WindRose Health Investors](https://millionrounds.com/fund/windrose-health-investors) Private equity Per its own site ## Quick answers about Arbiter ### Who invested in Arbiter? Arbiter's investors include MFO Ventures, TriEdge Investments and Tandem Capital. MFO Ventures led its latest round. ### 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. ## Companies like Arbiter In the same sector, and raised in the last eighteen months. [**Triplemoon** $7.5M · Nov 2026](https://millionrounds.com/company/triplemoon)[**Devoted Health** $2.1B · Nov 2026](https://millionrounds.com/company/devoted-health)[**Avanlee Care** $8.5M · Nov 2026](https://millionrounds.com/company/avanlee-care)[**Allswell** $15M · Oct 2026](https://millionrounds.com/company/allswell)[**Stride** $16M · Oct 2026](https://millionrounds.com/company/stride)[**Allara** $56M · Oct 2026](https://millionrounds.com/company/allara) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app