# GRAIN Ecosystem funding: rounds and investors

> GRAIN Ecosystem has raised $880K across 1 round since 2025. Investors include Cleantech Open and Elevate Ventures. Every round with its source.

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

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

# Who invested in *GRAIN Ecosystem*

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

**$880K** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $880K Apr 2025
- **Investors:** 2

See who backed them

## The rounds

- **Apr 2025** Seed **$880K** [Cleantech Open](https://millionrounds.com/fund/cleantech-open) [Elevate Ventures](https://millionrounds.com/fund/elevate-ventures-3) Source recorded SEC filing: $880K sold, first sale Mar 2025

## Everyone who backed them

[Cleantech Open](https://millionrounds.com/fund/cleantech-open) Accelerator **1** round

[Elevate Ventures](https://millionrounds.com/fund/elevate-ventures-3) VC firm **1** round

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

## Quick answers about GRAIN Ecosystem

### Who invested in GRAIN Ecosystem?

GRAIN Ecosystem's investors include Cleantech Open and Elevate Ventures.

### How much has GRAIN Ecosystem raised?

GRAIN Ecosystem has raised $880K across 1 round since 2025.

### When did GRAIN Ecosystem last raise?

GRAIN Ecosystem's most recent round was a Seed of $880K in Apr 2025.

### What was GRAIN Ecosystem's biggest round?

Its most recent round, $880K in Apr 2025, is also its largest on record.

### Who backed GRAIN Ecosystem first?

GRAIN Ecosystem's first round on record, in Apr 2025, was backed by Cleantech Open and Elevate Ventures.

### What stage is GRAIN Ecosystem at?

GRAIN Ecosystem's latest named round is a Seed, in Apr 2025.

### Where is GRAIN Ecosystem based?

GRAIN Ecosystem is based in the United States.

## Companies like GRAIN Ecosystem

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)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app