# Atacama Biomaterials funding: rounds and investors

> Atacama Biomaterials has raised $2.5M across 1 round since 2025. Investors include MassVentures. Every round with its source.

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

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

# Who invested in *Atacama Biomaterials*

One round we have observed, with the one investor 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.

Chemicals & Materials

Funding summary Updated 26 Oct 2026

**$2.5M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $2.5M May 2025
- **Investors:** 1

See who backed them

## The rounds

- **May 2025** Seed **$2.5M** [MassVentures](https://millionrounds.com/fund/massventures) Source recorded

## Everyone who backed them

[MassVentures](https://millionrounds.com/fund/massventures) VC firm **1** round

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

## Also claim to have backed them

This firm lists Atacama Biomaterials 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.

[Claritas Capital](https://millionrounds.com/fund/claritas-capital) Private equity Per its own site

## Quick answers about Atacama Biomaterials

### Who invested in Atacama Biomaterials?

Atacama Biomaterials's investors include MassVentures.

### How much has Atacama Biomaterials raised?

Atacama Biomaterials has raised $2.5M across 1 round since 2025.

### When did Atacama Biomaterials last raise?

Atacama Biomaterials's most recent round was a Seed of $2.5M in May 2025.

### What was Atacama Biomaterials's biggest round?

Its most recent round, $2.5M in May 2025, is also its largest on record.

### Who backed Atacama Biomaterials first?

Atacama Biomaterials's first round on record, in May 2025, was backed by MassVentures.

### What stage is Atacama Biomaterials at?

Atacama Biomaterials's latest named round is a Seed, in May 2025.

### Where is Atacama Biomaterials based?

Atacama Biomaterials is based in the United States.

## Companies like Atacama Biomaterials

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

[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**Albert** $57M · Oct 2026](https://millionrounds.com/company/albert)[**Azulene Labs** $3.4M · Sept 2026](https://millionrounds.com/company/azulene-labs)[**Critical Materials Group** $10M · Sept 2026](https://millionrounds.com/company/critical-materials-group)[**Rise Reforming** $500K · Sept 2026](https://millionrounds.com/company/rise-reforming)[**Fluxnium** $7.0M · Sept 2026](https://millionrounds.com/company/fluxnium)

## Find investors like these

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