# Metamason funding: rounds and investors

> Metamason has raised $3.6M across 3 rounds since 2013. Investors include 3P EQUITY PARTNERS. Every round with its source.

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

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

# Who invested in *Metamason*

3 rounds we have observed, with the one investor 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.

Biotech

Funding summary Updated 26 Oct 2026

**$3.6M** raised across 3 rounds since 2013, from 3 sources

**$600K** Seed **$3.0M** Seed

- **Latest round:** Seed, $3.0M Jun 2016
- **Led by:** 3P EQUITY PARTNERS
- **Step-up i:** 5×
- **Investors:** 1 (1 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.

2013 2014 2015 2016

**$600K** Seed

**?** Seed

**$3.0M** Seed

- **First round:** Seed, $600K
- **Biggest round:** $3.0M
- **Usual gap between rounds:** 2.7 years

## The rounds

- **Jun 2016** Seed **$3.0M** *1 new* [3P EQUITY PARTNERS](https://millionrounds.com/fund/3p-equity-partners) Lead Reported by Prweb SEC filing: $3.7M sold, first sale Apr 2016
- **Sept 2015** Seed **Amount undisclosed** No investor was named in the report. From a historical funding record
- **Jan 2013** Seed **$600K** No investor was named in the report. From a historical funding record

## Everyone who backed them

[3P EQUITY PARTNERS](https://millionrounds.com/fund/3p-equity-partners) Private equity **1** round, led 1

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

## Quick answers about Metamason

### Who invested in Metamason?

Metamason's investors include 3P EQUITY PARTNERS. 3P EQUITY PARTNERS led its latest round.

### How much has Metamason raised?

Metamason has raised $3.6M across 3 rounds since 2013. One round did not disclose an amount, so the total is a floor.

### When did Metamason last raise?

Metamason's most recent round was a Seed of $3.0M in Jun 2016, led by 3P EQUITY PARTNERS.

### What was Metamason's biggest round?

Its most recent round, $3.0M in Jun 2016, is also its largest on record.

### Who backed Metamason first?

Metamason's first round on record, in Jun 2016, was backed by 3P EQUITY PARTNERS.

### What stage is Metamason at?

Metamason's latest named round is a Seed, in Jun 2016.

### Where is Metamason based?

Metamason is based in the United States.

### Who led Metamason's rounds?

3P EQUITY PARTNERS led the Seed in 2016.

## Companies like Metamason

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

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)

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