# Osmoses funding: rounds and investors

> Osmoses has raised $500K across 1 round since 2025. Investors include Fidelity and Collaborative Fund. Every round with its source.

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

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

# Who invested in *Osmoses*

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.

Climate Tech

Funding summary Updated 26 Oct 2026

**$500K** raised across 1 round since 2025, from 1 source

- **Latest round:** Grant, $500K May 2025
- **Investors:** 2

See who backed them

## The rounds

- **May 2025** Grant **$500K** [Fidelity](https://millionrounds.com/fund/fidelity) [Collaborative Fund](https://millionrounds.com/fund/collaborative-fund) Source recorded

## Founders and team

From Osmoses's own website: 10 on the team.

- **Kristen O'Hara** Head of HR
- **Aaron Gould** Senior Process Engineer
- **Carolyn McCollum** Senior Mechanical Engineer
- **Grace Arcona** Grants Manager
- **Juliette Ho** Product Testing & Qualification Engineer
- **Michelle Thaint** Membrane Intern
- **Mostapha Dakhchoune** Senior Membrane Scientist
- **Neil Shah** Senior Research Associate
- **Sam Cox** Laboratory Operations Lead
- **Will Cannon** Research Associate, Membrane Engineering

## Everyone who backed them

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

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

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

## Also claim to have backed them

These 5 firms list Osmoses 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.

[MassVentures](https://millionrounds.com/fund/massventures) VC firm Per its own site

[Fine Structure Ventures](https://millionrounds.com/fund/fine-structure-ventures) VC firm Per its own site

[Halliburton Labs](https://millionrounds.com/fund/haliburton-labs) Accelerator Per its own site

[Blindspot Ventures](https://millionrounds.com/fund/blindspot-ventures) VC firm Per its own site

[New Climate Ventures](https://millionrounds.com/fund/new-climate-ventures) VC firm Per its own site

## Quick answers about Osmoses

### Who invested in Osmoses?

Osmoses's investors include Fidelity and Collaborative Fund.

### How much has Osmoses raised?

Osmoses has raised $500K across 1 round since 2025.

### When did Osmoses last raise?

Osmoses's most recent round was a Grant of $500K in May 2025.

### What was Osmoses's biggest round?

Its most recent round, $500K in May 2025, is also its largest on record.

### Who backed Osmoses first?

Osmoses's first round on record, in May 2025, was backed by Fidelity and Collaborative Fund.

### What stage is Osmoses at?

Osmoses's latest named round is a Grant, in May 2025.

### Where is Osmoses based?

Osmoses is based in the United States.

## Companies like Osmoses

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

[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**ZwitterCo** $58M · Oct 2026](https://millionrounds.com/company/zwitterco)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Kodama** $7.0M · Oct 2026](https://millionrounds.com/company/kodama)[**Stand** $105M · Oct 2026](https://millionrounds.com/company/stand)

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