# Portal 301 funding: rounds and investors

> Portal 301 has raised $1.0M across 1 round since 2025. Investors include Ridge Ventures and Stonebridge Ventures. Every round with its source.

Source: https://millionrounds.com/company/portal-301 (Millionrounds; every figure on the page links to its filing or article)

South Korea · [Seed startup](https://millionrounds.com/companies)

# Who invested in *Portal 301*

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.

Energy

Funding summary Updated 26 Oct 2026

**$1.0M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $1.0M Mar 2025
- **Investors:** 2

See who backed them

## The rounds

- **Mar 2025** Seed **$1.0M** [Ridge Ventures](https://millionrounds.com/fund/ridge-ventures) [Stonebridge Ventures](https://millionrounds.com/fund/stonebridge-ventures) Source recorded

## Everyone who backed them

[Ridge Ventures](https://millionrounds.com/fund/ridge-ventures) VC firm **1** round

[Stonebridge Ventures](https://millionrounds.com/fund/stonebridge-ventures) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=portal-301).

## Quick answers about Portal 301

### Who invested in Portal 301?

Portal 301's investors include Ridge Ventures and Stonebridge Ventures.

### How much has Portal 301 raised?

Portal 301 has raised $1.0M across 1 round since 2025.

### When did Portal 301 last raise?

Portal 301's most recent round was a Seed of $1.0M in Mar 2025.

### What was Portal 301's biggest round?

Its most recent round, $1.0M in Mar 2025, is also its largest on record.

### Who backed Portal 301 first?

Portal 301's first round on record, in Mar 2025, was backed by Ridge Ventures and Stonebridge Ventures.

### What stage is Portal 301 at?

Portal 301's latest named round is a Seed, in Mar 2025.

### Where is Portal 301 based?

Portal 301 is based in South Korea.

## Companies like Portal 301

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)[**Cashin** $404K · Oct 2026](https://millionrounds.com/company/cashin)[**Greenzo Energy** $15M · Oct 2026](https://millionrounds.com/company/greenzo-energy)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)

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