# Portal Biotech funding: rounds and investors > Portal Biotech has raised $46M across 3 rounds since 2021. Investors include Earlybird Venture Capital, 8VC and British Business Bank. Source: https://millionrounds.com/company/portal-biotech (Millionrounds; every figure on the page links to its filing or article) United Kingdom · [Series A startup](https://millionrounds.com/companies) # Who invested in *Portal Biotech* 3 rounds we have observed, with the 10 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 Funding summary Updated 26 Oct 2026 **$46M** raised across 3 rounds since 2021, from 5 sources **$692K** Round **$9.9M** Round **$35M** Series A - **Latest round:** Series A, $35M Jun 2025 - **Led by:** Earlybird Venture Capital - **Step-up i:** 3.5× - **Investors:** 10 (1 led) 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. 2022 2023 2024 2025 **$692K** Round **$9.9M** Round **$35M** Series A - **First round:** Round, $692K - **Biggest round:** $35M - **Usual gap between rounds:** 3 years ## The rounds - **Jun 2025** Series A **$35M** *10 new* [Earlybird Venture Capital](https://millionrounds.com/fund/earlybird) Lead [8VC](https://millionrounds.com/fund/8vc) [British Business Bank](https://millionrounds.com/fund/national-security-strategic-investment-fund) [Pillar VC](https://millionrounds.com/fund/pillar-vc) [SCVC](https://millionrounds.com/fund/scvc) [We Venture Capital](https://millionrounds.com/fund/we-venture-capital) [Amino Collective](https://millionrounds.com/fund/amino-collective) [Outsized](https://millionrounds.com/fund/outsized) [Science Creates](https://millionrounds.com/fund/science-creates) [WS Investment Company](https://millionrounds.com/fund/ws-investment-company) Reported by We Venture Capital and 2 others - **Jun 2022** Round **$9.9M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Jul 2021** Round **$692K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet ## Funding filed with regulators Portal Biotech filed 4 raises, $34M in all. Filings say how much was sold and to how many investors; they never name the investors. - Apr 2025 **$24M** UK share allotment - Jul 2022 **$9.6M** UK share allotment - Jun 2022 **$276K** UK share allotment - Jul 2021 **$692K** 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** 2021 **Round** 2022 **Series A** 2025 [Earlybird Venture Capital](https://millionrounds.com/fund/earlybird) L [8VC](https://millionrounds.com/fund/8vc) [British Business Bank](https://millionrounds.com/fund/national-security-strategic-investment-fund) [Pillar VC](https://millionrounds.com/fund/pillar-vc) [SCVC](https://millionrounds.com/fund/scvc) [We Venture Capital](https://millionrounds.com/fund/we-venture-capital) [Amino Collective](https://millionrounds.com/fund/amino-collective) [Outsized](https://millionrounds.com/fund/outsized) [Science Creates](https://millionrounds.com/fund/science-creates) [WS Investment Company](https://millionrounds.com/fund/ws-investment-company) ## Everyone who backed them [Earlybird Venture Capital](https://millionrounds.com/fund/earlybird) VC firm **1** round, led 1 [8VC](https://millionrounds.com/fund/8vc) VC firm **1** round [British Business Bank](https://millionrounds.com/fund/national-security-strategic-investment-fund) Corporate VC **1** round [Pillar VC](https://millionrounds.com/fund/pillar-vc) VC firm **1** round [SCVC](https://millionrounds.com/fund/scvc) VC firm **1** round [We Venture Capital](https://millionrounds.com/fund/we-venture-capital) Corporate VC **1** round [Amino Collective](https://millionrounds.com/fund/amino-collective) VC firm **1** round [Outsized](https://millionrounds.com/fund/outsized) VC firm **1** round [Science Creates](https://millionrounds.com/fund/science-creates) VC firm **1** round [WS Investment Company](https://millionrounds.com/fund/ws-investment-company) Corporate VC **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=portal-biotech). ## Quick answers about Portal Biotech ### Who invested in Portal Biotech? Portal Biotech's investors include Earlybird Venture Capital, 8VC, British Business Bank, Pillar VC and SCVC, and 5 more on record. Earlybird Venture Capital led its latest round. ### How much has Portal Biotech raised? Portal Biotech has raised $46M across 3 rounds since 2021. ### When did Portal Biotech last raise? Portal Biotech's most recent round was a Series A of $35M in Jun 2025, led by Earlybird Venture Capital. ### What was Portal Biotech's biggest round? Its most recent round, $35M in Jun 2025, is also its largest on record. ### Who backed Portal Biotech first? Portal Biotech's first round on record, in Jun 2025, was backed by Earlybird Venture Capital, 8VC and British Business Bank and 7 others. ### What stage is Portal Biotech at? Portal Biotech's latest named round is a Series A, in Jun 2025. ### Where is Portal Biotech based? Portal Biotech is based in the United Kingdom. ### Who led Portal Biotech's rounds? Earlybird Venture Capital led the Series A in 2025. ## Companies like Portal Biotech In the same sector, and raised in the last eighteen months. [**HydRegen** $12M · Oct 2026](https://millionrounds.com/company/hydregen)[**OMass Therapeutics** $442M · Oct 2026](https://millionrounds.com/company/omass-therapeutics)[**CMR Surgical** $1.1B · Oct 2026](https://millionrounds.com/company/cmr-surgical)[**Living Optics** $61M · Oct 2026](https://millionrounds.com/company/living-optics)[**Bactobio** $18M · Oct 2026](https://millionrounds.com/company/bactobio)[**RHYTHM AI** $23M · Sept 2026](https://millionrounds.com/company/rhythm-ai) ## 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