# BIOS funding: rounds and investors > BIOS has raised $5.5M across 3 rounds since 2018. Investors include Real Ventures, Y Combinator and MassChallenge. Every round with its source. Source: https://millionrounds.com/company/bios (Millionrounds; every figure on the page links to its filing or article) United Kingdom · [Funded startup](https://millionrounds.com/companies) # Who invested in *BIOS* 3 rounds we have observed, with the 11 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 **$5.5M** raised across 3 rounds since 2018, from 3 sources **$4.5M** Seed **$1.0M** Grant - **Latest round:** Grant, $1.0M Sept 2024 - **Biggest round:** $4.5M Seed · Dec 2018 - **Investors:** 11 (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. 2019 2020 2021 2022 2023 2024 **$4.5M** Seed **?** Venture **$1.0M** Grant - **First round:** Seed, $4.5M - **Biggest round:** $4.5M - **Usual gap between rounds:** 5.1 years ## The rounds - **Sept 2024** Grant **$1.0M** *1 new* [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) Source recorded - **Jan 2024** Venture **Amount undisclosed** *4 new* *1 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [MassChallenge](https://millionrounds.com/fund/masschallenge) [Innovate UK](https://millionrounds.com/fund/innovate-uk) [Real Ventures](https://millionrounds.com/fund/real-ventures-2) [Fifty Years](https://millionrounds.com/fund/fifty-years-industries-llc) Source recorded - **Dec 2018** Seed **$4.5M** *6 new* [Real Ventures](https://millionrounds.com/fund/real-ventures-2) Lead [AME Cloud Ventures](https://millionrounds.com/fund/ame-cloud-ventures) [K5 Ventures](https://millionrounds.com/fund/k5-ventures) [Charles Songhurst](https://millionrounds.com/fund/charles-songhurst) [Heuristic Capital](https://millionrounds.com/fund/heuristic-capital-partners) Ariel Poler/ Endure Reported by TechCrunch ## 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** 2018 **Venture** 2024 **Grant** 2024 [Real Ventures](https://millionrounds.com/fund/real-ventures-2) L [Y Combinator](https://millionrounds.com/fund/y-combinator) [MassChallenge](https://millionrounds.com/fund/masschallenge) [Innovate UK](https://millionrounds.com/fund/innovate-uk) [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) [AME Cloud Ventures](https://millionrounds.com/fund/ame-cloud-ventures) [Fifty Years](https://millionrounds.com/fund/fifty-years-industries-llc) [K5 Ventures](https://millionrounds.com/fund/k5-ventures) [Charles Songhurst](https://millionrounds.com/fund/charles-songhurst) [Heuristic Capital](https://millionrounds.com/fund/heuristic-capital-partners) ## Everyone who backed them [Real Ventures](https://millionrounds.com/fund/real-ventures-2) Family office **2** rounds, led 1 [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round [MassChallenge](https://millionrounds.com/fund/masschallenge) Accelerator **1** round [Innovate UK](https://millionrounds.com/fund/innovate-uk) VC firm **1** round [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) Government **1** round [AME Cloud Ventures](https://millionrounds.com/fund/ame-cloud-ventures) VC firm **1** round [Fifty Years](https://millionrounds.com/fund/fifty-years-industries-llc) VC firm **1** round [K5 Ventures](https://millionrounds.com/fund/k5-ventures) Accelerator **1** round [Charles Songhurst](https://millionrounds.com/fund/charles-songhurst) Angel **1** round [Heuristic Capital](https://millionrounds.com/fund/heuristic-capital-partners) VC firm **1** round Ariel Poler/ Endure no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=bios). ## Quick answers about BIOS ### Who invested in BIOS? BIOS's investors include Real Ventures, Y Combinator, MassChallenge, Innovate UK and US Department of Energy, and 6 more on record. ### How much has BIOS raised? BIOS has raised $5.5M across 3 rounds since 2018. One round did not disclose an amount, so the total is a floor. ### When did BIOS last raise? BIOS's most recent round was a Grant of $1.0M in Sept 2024. ### What was BIOS's biggest round? BIOS's largest round on record is $4.5M (Seed), in Dec 2018, led by Real Ventures. ### Who backed BIOS first? BIOS's first round on record, in Dec 2018, was backed by Real Ventures, AME Cloud Ventures and K5 Ventures and 3 others. ### What stage is BIOS at? BIOS's latest named round is a Grant, in Sept 2024. ### Where is BIOS based? BIOS is based in the United Kingdom. ### Who led BIOS's rounds? Real Ventures led the Seed in 2018. ## Companies like BIOS 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