# Optellum funding: rounds and investors > Optellum has raised $30M across 6 rounds since 2019. Investors include IQ Capital, Mercia Tech and Luminous Ventures. Every round with its source. Source: https://millionrounds.com/company/optellum (Millionrounds; every figure on the page links to its filing or article) United Kingdom · [Series A startup](https://millionrounds.com/companies) # Who invested in *Optellum* 6 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. Biotech Healthcare Raised 7 months ago Funding summary Updated 26 Oct 2026 **$30M** raised across 6 rounds since 2019, from 6 sources **$1.3M** Seed **$14M** Series A **$7.2M** Round **$1.9M** Round **$5.7M** Round **$136K** Round - **Latest round:** Round, $136K Mar 2026 - **Biggest round:** $14M Series A · Sept 2022 - **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. 2020 2021 2022 2023 2024 2025 2026 **$1.3M** Seed **$14M** Series A **$7.2M** Round **$1.9M** Round **$5.7M** Round **$136K** Round - **First round:** Seed, $1.3M - **Biggest round:** $14M - **Usual gap between rounds:** 5 months ## The rounds - **Mar 2026** Round **$136K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Nov 2025** Round **$5.7M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Jul 2025** Round **$1.9M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Mar 2025** Round **$7.2M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Sept 2022** Series A **$14M** *2 new* [IQ Capital](https://millionrounds.com/fund/iq-capital) [Mercia Tech](https://millionrounds.com/fund/mercia-tech) Source recorded - **Jul 2019** Seed **$1.3M** *1 new* [Luminous Ventures](https://millionrounds.com/fund/luminous-ventures-2) Reported by Tech.eu ## Funding filed with regulators Optellum filed 8 raises, $34M in all. Filings say how much was sold and to how many investors; they never name the investors. - Mar 2026 **$136K** UK share allotment - Dec 2025 **$148K** UK share allotment - Nov 2025 **$5.6M** UK share allotment - Jul 2025 **$1.9M** UK share allotment - Mar 2025 **$7.2M** UK share allotment - Sept 2022 **$2.1M** UK share allotment - Sept 2022 **$2.3M** UK share allotment - Sept 2022 **$14M** 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. **Seed** 2019 **Series A** 2022 **Round** 2025 **Round** 2025 **Round** 2025 **Round** 2026 [IQ Capital](https://millionrounds.com/fund/iq-capital) [Mercia Tech](https://millionrounds.com/fund/mercia-tech) [Luminous Ventures](https://millionrounds.com/fund/luminous-ventures-2) ## Everyone who backed them [IQ Capital](https://millionrounds.com/fund/iq-capital) VC firm **1** round [Mercia Tech](https://millionrounds.com/fund/mercia-tech) VC firm **1** round [Luminous Ventures](https://millionrounds.com/fund/luminous-ventures-2) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=optellum). ## Also claim to have backed them These 2 firms list Optellum as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above. [Intuitive Ventures](https://millionrounds.com/fund/intuitive-ventures) Accelerator Per its own site [Luminous Ventures](https://millionrounds.com/fund/luminous-ventures) VC firm Per its own site ## Quick answers about Optellum ### Who invested in Optellum? Optellum's investors include IQ Capital, Mercia Tech and Luminous Ventures. ### How much has Optellum raised? Optellum has raised $30M across 6 rounds since 2019. ### When did Optellum last raise? Optellum's most recent round, $136K, was in Mar 2026. ### What was Optellum's biggest round? Optellum's largest round on record is $14M (Series A), in Sept 2022. ### Who backed Optellum first? Optellum's first round on record, in Jul 2019, was backed by Luminous Ventures. ### What stage is Optellum at? Optellum's latest named round is a Series A, in Sept 2022. ### Where is Optellum based? Optellum is based in the United Kingdom. ## Companies like Optellum In the same sector, and raised in the last eighteen months. [**Coherence Neuro** $55M · Oct 2026](https://millionrounds.com/company/coherence-neuro)[**HydRegen** $12M · Oct 2026](https://millionrounds.com/company/hydregen)[**XRlabs** $8.4M · Oct 2026](https://millionrounds.com/company/xrlabs)[**OMass Therapeutics** $442M · Oct 2026](https://millionrounds.com/company/omass-therapeutics)[**CMR Surgical** $1.1B · Oct 2026](https://millionrounds.com/company/cmr-surgical)[**MintNeuro** $26M · Oct 2026](https://millionrounds.com/company/mintneuro) ## 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