# Tunnel funding: rounds and investors

> Tunnel has raised $1.0M across 1 round since 2022. Investors include MassChallenge and CFV Ventures. Every round with its source.

Source: https://millionrounds.com/company/tunnel (Millionrounds; every figure on the page links to its filing or article)

United States · [Venture startup](https://millionrounds.com/companies)

# Who invested in *Tunnel*

One round we have observed, with the 2 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Financial Services

Funding summary Updated 26 Oct 2026

**$1.0M** raised across 1 round since 2022, from 1 source

- **Latest round:** Venture, $1.0M Jan 2022
- **Investors:** 2

See who backed them

## The rounds

- **Jan 2022** Venture **$1.0M** [MassChallenge](https://millionrounds.com/fund/masschallenge) [CFV Ventures](https://millionrounds.com/fund/cfv-ventures) Source recorded SEC filing: $1.0M sold, first sale Sept 2021

## Everyone who backed them

[MassChallenge](https://millionrounds.com/fund/masschallenge) Accelerator **1** round

[CFV Ventures](https://millionrounds.com/fund/cfv-ventures) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=tunnel).

## Also claim to have backed them

This firm lists Tunnel 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.

[RevTech Labs Capital](https://millionrounds.com/fund/revtech-labs-capital) VC firm Per its own site

## Quick answers about Tunnel

### Who invested in Tunnel?

Tunnel's investors include MassChallenge and CFV Ventures.

### How much has Tunnel raised?

Tunnel has raised $1.0M across 1 round since 2022.

### When did Tunnel last raise?

Tunnel's most recent round was a Venture of $1.0M in Jan 2022.

### What was Tunnel's biggest round?

Its most recent round, $1.0M in Jan 2022, is also its largest on record.

### Who backed Tunnel first?

Tunnel's first round on record, in Jan 2022, was backed by MassChallenge and CFV Ventures.

### What stage is Tunnel at?

Tunnel's latest named round is a Venture, in Jan 2022.

### Where is Tunnel based?

Tunnel is based in the United States.

## Companies like Tunnel

In the same sector, and raised in the last eighteen months.

[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Kalshi** $2.7B · Oct 2026](https://millionrounds.com/company/kalshi)[**STRIVE** $1.3B · Oct 2026](https://millionrounds.com/company/strive)[**CapitalOS** $52M · Oct 2026](https://millionrounds.com/company/capitalos)[**Platform Accounting Group** $355M · Oct 2026](https://millionrounds.com/company/platform-accounting-group)[**Ramp** $4.5B · Oct 2026](https://millionrounds.com/company/ramp)

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