# Chain.io funding: rounds and investors

> Chain.io has raised $11M across 1 round since 2022. Investors include Mercury Fund, High Alpha and Fontinalis Partners. Every round with its source.

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

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

# Who invested in *Chain.io*

One round we have observed, with the 4 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.

AI

Funding summary Updated 26 Oct 2026

**$11M** raised across 1 round since 2022, from 1 source

- **Latest round:** Series A, $11M Jun 2022
- **Investors:** 4

See who backed them

## The rounds

- **Jun 2022** Series A **$11M** [Mercury Fund](https://millionrounds.com/fund/mercury-fund) [High Alpha](https://millionrounds.com/fund/high-alpha) [Fontinalis Partners](https://millionrounds.com/fund/fontinalis-partners) [Grand Ventures](https://millionrounds.com/fund/grand-ventures) Source recorded SEC filing: $11M sold, first sale May 2022

## Everyone who backed them

[Mercury Fund](https://millionrounds.com/fund/mercury-fund) VC firm **1** round

[High Alpha](https://millionrounds.com/fund/high-alpha) VC firm **1** round

[Fontinalis Partners](https://millionrounds.com/fund/fontinalis-partners) VC firm **1** round

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

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

## Quick answers about Chain.io

### Who invested in Chain.io?

Chain.io's investors include Mercury Fund, High Alpha, Fontinalis Partners and Grand Ventures.

### How much has Chain.io raised?

Chain.io has raised $11M across 1 round since 2022.

### When did Chain.io last raise?

Chain.io's most recent round was a Series A of $11M in Jun 2022.

### What was Chain.io's biggest round?

Its most recent round, $11M in Jun 2022, is also its largest on record.

### Who backed Chain.io first?

Chain.io's first round on record, in Jun 2022, was backed by Mercury Fund, High Alpha and Fontinalis Partners and 1 others.

### What stage is Chain.io at?

Chain.io's latest named round is a Series A, in Jun 2022.

### Where is Chain.io based?

Chain.io is based in the United States.

## Companies like Chain.io

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

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

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