# Ichthion funding: rounds and investors > Ichthion has raised $271M across 3 rounds since 2019. Investors include Venrex, Katapult and ClearlySo. Every round with its source. Source: https://millionrounds.com/company/ichthion (Millionrounds; every figure on the page links to its filing or article) United Kingdom · [Venture startup](https://millionrounds.com/companies) # Who invested in *Ichthion* 3 rounds we have observed, with the 3 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. Cleantech Funding summary Updated 26 Oct 2026 **$271M** raised across 3 rounds since 2019, from 3 sources **$1.3M** Round **$270M** Round - **Latest round:** Round, $270M Jan 2024 - **Step-up i:** 207.8× - **Investors:** 3 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. 2019 2020 2021 2022 2023 2024 **$1.3M** Round **?** Venture **$270M** Round - **First round:** Round, $1.3M - **Biggest round:** $270M - **Usual gap between rounds:** 3.1 years ## The rounds - **Jan 2024** Round **$270M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Jan 2021** Venture **Amount undisclosed** *2 new* [Venrex](https://millionrounds.com/fund/venrex) [Katapult](https://millionrounds.com/fund/katapult) Source recorded - **Apr 2019** Round **$1.3M** *1 new* [ClearlySo](https://millionrounds.com/fund/clearlyso) Reported by Clearlyso ## Funding filed with regulators Ichthion filed one raise, $135M in all. Filings say how much was sold and to how many investors; they never name the investors. - Jan 2024 **$135M** UK share allotment ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Round** 2019 **Venture** 2021 **Round** 2024 [Venrex](https://millionrounds.com/fund/venrex) [Katapult](https://millionrounds.com/fund/katapult) [ClearlySo](https://millionrounds.com/fund/clearlyso) ## Everyone who backed them [Venrex](https://millionrounds.com/fund/venrex) VC firm **1** round [Katapult](https://millionrounds.com/fund/katapult) VC firm **1** round [ClearlySo](https://millionrounds.com/fund/clearlyso) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=ichthion). ## Also claim to have backed them This firm lists Ichthion 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. [Ma'at Environment Fund](https://millionrounds.com/fund/ma-at-environment-fund) Family office Per its own site ## Quick answers about Ichthion ### Who invested in Ichthion? Ichthion's investors include Venrex, Katapult and ClearlySo. ### How much has Ichthion raised? Ichthion has raised $271M across 3 rounds since 2019. One round did not disclose an amount, so the total is a floor. ### When did Ichthion last raise? Ichthion's most recent round, $270M, was in Jan 2024. ### What was Ichthion's biggest round? Its most recent round, $270M in Jan 2024, is also its largest on record. ### Who backed Ichthion first? Ichthion's first round on record, in Apr 2019, was backed by ClearlySo. ### What stage is Ichthion at? Ichthion's latest named round is a Venture, in Jan 2021. ### Where is Ichthion based? Ichthion is based in the United Kingdom. ## Companies like Ichthion In the same sector, and raised in the last eighteen months. [**Go Eve** $6.1M · Oct 2026](https://millionrounds.com/company/go-eve)[**Dragonfly Advanced Materials** $2.0M · Sept 2026](https://millionrounds.com/company/dragonfly-advanced-materials)[**Metris Energy** $7.5M · Sept 2026](https://millionrounds.com/company/metris-energy)[**Myriad Wind Energy Systems** $1.8M · Sept 2026](https://millionrounds.com/company/myriad-wind-energy-systems)[**RheEnergise** $6.3M · Sept 2026](https://millionrounds.com/company/rheenergise)[**Rightcharge** $1.4M · Sept 2026](https://millionrounds.com/company/rightcharge) ## 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