# HiiROC funding: rounds and investors

> HiiROC has raised $53M across 3 rounds since 2024. Every round with its source.

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

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

# Who invested in *HiiROC*

3 rounds we have observed, with the 0 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Manufacturing

Raised 11 months ago

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Funding summary Updated 15 Nov 2026

**$53M** raised across 3 rounds since 2024, from 3 sources

**$6.0M** Round **$1.2M** Round **$46M** Round

- **Latest round:** Round, $46M Dec 2025
- **Step-up i:** 37.5×
- **Investors:** 0

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2025

**$6.0M** Round

**$1.2M** Round

**$46M** Round

- **First round:** Round, $6.0M
- **Biggest round:** $46M
- **Usual gap between rounds:** 10 months

## The rounds

- **Dec 2025** Round **$46M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Mar 2025** Round **$1.2M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **May 2024** Round **$6.0M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet

## Funding filed with regulators

HiiROC filed 5 raises, $53M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Feb 2026 **$674K** UK share allotment
- Dec 2025 **$25M** UK share allotment
- Dec 2025 **$21M** UK share allotment
- Mar 2025 **$1.2M** UK share allotment
- May 2024 **$6.0M** UK share allotment

## Founders and team

From HiiROC's own website: 3 founders, 1 on the team.

**Ate Wiekamp** Founder and Chief Science Officer

**Simon Morris** Founder and Chief Commercial Officer

**Tim Davies** Founder and Chief Science Officer

- **Robin Caiger** Chief Financial Officer

## Quick answers about HiiROC

### How much has HiiROC raised?

HiiROC has raised $53M across 3 rounds since 2024.

### When did HiiROC last raise?

HiiROC's most recent round, $46M, was in Dec 2025.

### What was HiiROC's biggest round?

Its most recent round, $46M in Dec 2025, is also its largest on record.

### Where is HiiROC based?

HiiROC is based in the United Kingdom.

## Companies like HiiROC

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

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