# RIU funding: rounds and investors

> RIU has raised $1.5M across 1 round since 2022. Investors include Industrial Bank of Korea. Every round with its source.

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

[Series A startup](https://millionrounds.com/companies)

# Who invested in *RIU*

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

**$1.5M** raised across 1 round since 2022, from 1 source

- **Latest round:** Series A, $1.5M Jul 2022
- **Investors:** 1

See who backed them

## The rounds

- **Jul 2022** Series A **$1.5M** [Industrial Bank of Korea](https://millionrounds.com/fund/industrial-bank-of-korea) Source recorded

## Everyone who backed them

[Industrial Bank of Korea](https://millionrounds.com/fund/industrial-bank-of-korea) VC firm **1** round

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

## Also claim to have backed them

This firm lists RIU 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.

[TUI Group](https://millionrounds.com/fund/tui-group) Corporate VC Per its own site

## Quick answers about RIU

### Who invested in RIU?

RIU's investors include Industrial Bank of Korea.

### How much has RIU raised?

RIU has raised $1.5M across 1 round since 2022.

### When did RIU last raise?

RIU's most recent round was a Series A of $1.5M in Jul 2022.

### What was RIU's biggest round?

Its most recent round, $1.5M in Jul 2022, is also its largest on record.

### Who backed RIU first?

RIU's first round on record, in Jul 2022, was backed by Industrial Bank of Korea.

### What stage is RIU at?

RIU's latest named round is a Series A, in Jul 2022.

## Companies like RIU

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

[**Kingwills New Materials** Feb 2026](https://millionrounds.com/company/kingwills-new-materials)[**Ming Gallium Semiconductor** $16M · Jan 2026](https://millionrounds.com/company/ming-gallium-semiconductor)[**Xinshinuo Semiconductor** $71M · Dec 2025](https://millionrounds.com/company/xinshinuo-semiconductor)[**Gazer** $14M · Dec 2025](https://millionrounds.com/company/gazer)[**Guoyi Quantum** $18M · Oct 2025](https://millionrounds.com/company/guoyi-quantum)[**Distil** $7.7M · Sept 2025](https://millionrounds.com/company/distil)

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