# Groma funding: rounds and investors

> Groma has raised $1.0M across 1 round since 2023. Investors include Castle Island Ventures and Bantam Group. Every round with its source.

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

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

# Who invested in *Groma*

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.

Web3 & Crypto

Funding summary Updated 26 Oct 2026

**$1.0M** raised across 1 round since 2023, from 1 source

- **Latest round:** Venture, $1.0M Jun 2023
- **Investors:** 2

See who backed them

## The rounds

- **Jun 2023** Venture **$1.0M** [Castle Island Ventures](https://millionrounds.com/fund/castle-island-ventures) [Bantam Group](https://millionrounds.com/fund/bantam-group) Source recorded

## Everyone who backed them

[Castle Island Ventures](https://millionrounds.com/fund/castle-island-ventures) VC firm **1** round

[Bantam Group](https://millionrounds.com/fund/bantam-group) VC firm **1** round

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

## Also claim to have backed them

This firm lists Groma 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.

[Clymate Studios](https://millionrounds.com/fund/clymate-studios) Venture studio Per its own site

## Quick answers about Groma

### Who invested in Groma?

Groma's investors include Castle Island Ventures and Bantam Group.

### How much has Groma raised?

Groma has raised $1.0M across 1 round since 2023.

### When did Groma last raise?

Groma's most recent round was a Venture of $1.0M in Jun 2023.

### What was Groma's biggest round?

Its most recent round, $1.0M in Jun 2023, is also its largest on record.

### Who backed Groma first?

Groma's first round on record, in Jun 2023, was backed by Castle Island Ventures and Bantam Group.

### What stage is Groma at?

Groma's latest named round is a Venture, in Jun 2023.

### Where is Groma based?

Groma is based in the United States.

## Companies like Groma

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

[**Kalshi** $2.7B · Oct 2026](https://millionrounds.com/company/kalshi)[**STRIVE** $1.3B · Oct 2026](https://millionrounds.com/company/strive)[**Arda** $233M · Oct 2026](https://millionrounds.com/company/arda)[**Binance.US** $300M · Oct 2026](https://millionrounds.com/company/binance-us)[**Fission** $10M · Oct 2026](https://millionrounds.com/company/fission)[**Ramp** $4.5B · Oct 2026](https://millionrounds.com/company/ramp)

## 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