# Quantum Biosystems funding: rounds and investors > Quantum Biosystems has raised $29M across 2 rounds since 2015. Investors include Mitsubishi UFJ Capital, Mizuho Capital and SBI Investment. Source: https://millionrounds.com/company/quantum-biosystems (Millionrounds; every figure on the page links to its filing or article) Japan · [Series C startup](https://millionrounds.com/companies) # Who invested in *Quantum Biosystems* 2 rounds we have observed, with the 6 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 **$29M** raised across 2 rounds since 2015, from 2 sources **$21M** Series B **$8.9M** Series C - **Latest round:** Series C, $8.9M Nov 2018 - **Biggest round:** $21M Series B · Feb 2015 - **Investors:** 6 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. 2015 2016 2017 2018 **$21M** Series B **$8.9M** Series C - **First round:** Series B, $21M - **Biggest round:** $21M - **Between rounds:** 3.8 years ## The rounds - **Nov 2018** Series C **$8.9M** *1 new* *2 returning* [Mitsubishi UFJ Capital](https://millionrounds.com/fund/mitsubishi-ufj-capital-co-ltd) [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) [SBI Investment](https://millionrounds.com/fund/sbi-investment) Source recorded - **Feb 2015** Series B **$21M** *5 new* [Mitsubishi UFJ Capital](https://millionrounds.com/fund/mitsubishi-ufj-capital-co-ltd) [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) [JAFCO Asia](https://millionrounds.com/fund/jafco-investment-asia-pacific-ltd) [Innovation Network Corporation Of Japan](https://millionrounds.com/fund/innovation-network-corporation-of-japan) [UTEC - The University of Tokyo Edge Capital Partners](https://millionrounds.com/fund/utec-the-university-of-tokyo-edge-capital-partners) From a historical funding record ## 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. **Series B** 2015 **Series C** 2018 [Mitsubishi UFJ Capital](https://millionrounds.com/fund/mitsubishi-ufj-capital-co-ltd) [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) [SBI Investment](https://millionrounds.com/fund/sbi-investment) [JAFCO Asia](https://millionrounds.com/fund/jafco-investment-asia-pacific-ltd) [Innovation Network Corporation Of Japan](https://millionrounds.com/fund/innovation-network-corporation-of-japan) [UTEC - The University of Tokyo Edge Capital Partners](https://millionrounds.com/fund/utec-the-university-of-tokyo-edge-capital-partners) ## Everyone who backed them [Mitsubishi UFJ Capital](https://millionrounds.com/fund/mitsubishi-ufj-capital-co-ltd) VC firm **2** rounds [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) VC firm **2** rounds [SBI Investment](https://millionrounds.com/fund/sbi-investment) VC firm **1** round [JAFCO Asia](https://millionrounds.com/fund/jafco-investment-asia-pacific-ltd) Investment firm **1** round [Innovation Network Corporation Of Japan](https://millionrounds.com/fund/innovation-network-corporation-of-japan) Growth equity **1** round [UTEC - The University of Tokyo Edge Capital Partners](https://millionrounds.com/fund/utec-the-university-of-tokyo-edge-capital-partners) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=quantum-biosystems). ## Quick answers about Quantum Biosystems ### Who invested in Quantum Biosystems? Quantum Biosystems's investors include Mitsubishi UFJ Capital, Mizuho Capital, SBI Investment, JAFCO Asia and Innovation Network Corporation Of Japan, and 1 more on record. ### How much has Quantum Biosystems raised? Quantum Biosystems has raised $29M across 2 rounds since 2015. ### When did Quantum Biosystems last raise? Quantum Biosystems's most recent round was a Series C of $8.9M in Nov 2018. ### What was Quantum Biosystems's biggest round? Quantum Biosystems's largest round on record is $21M (Series B), in Feb 2015. ### Who backed Quantum Biosystems first? Quantum Biosystems's first round on record, in Feb 2015, was backed by Mitsubishi UFJ Capital, Mizuho Capital and JAFCO Asia and 2 others. ### What stage is Quantum Biosystems at? Quantum Biosystems's latest named round is a Series C, in Nov 2018. ### Where is Quantum Biosystems based? Quantum Biosystems is based in Japan. ## Companies like Quantum Biosystems In the same sector, and raised in the last eighteen months. [**Kinish** $35M · Oct 2026](https://millionrounds.com/company/kinish)[**RadioNano Therapeutics** $955K · Oct 2026](https://millionrounds.com/company/radionano-therapeutics)[**Dioseve** $12M · Jun 2026](https://millionrounds.com/company/dioseve)[**xCARE** $862K · Jun 2026](https://millionrounds.com/company/xcare)[**Neusignal Therapeutics** $40M · Jun 2026](https://millionrounds.com/company/neusignal-therapeutics)[**Epsilon Molecular Engineering** $2.7M · May 2026](https://millionrounds.com/company/epsilon-molecular-engineering) ## 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