# Bolt Biotherapeutics funding: rounds and investors > Bolt Biotherapeutics has raised $189M across 3 rounds since 2019. Investors include Pivotal bioVenture Partners, Andreessen Horowitz and RA Capital Management. Source: https://millionrounds.com/company/bolt-biotherapeutics (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Bolt Biotherapeutics* 3 rounds we have observed, with the 17 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 Pharma Raised this month Funding summary Updated 26 Oct 2026 **$189M** raised across 3 rounds since 2019, from 3 sources **$54M** Series B **$15M** Round **$120M** Round - **Latest round:** Round, $120M Oct 2026 - **Step-up i:** 8× - **Investors:** 17 (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 2025 2026 **$54M** Series B **$15M** Round **$120M** Round - **First round:** Series B, $54M - **Biggest round:** $120M - **Usual gap between rounds:** 5.4 years ## The rounds - **Oct 2026** Round **$120M** *12 new* [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [Casdin Capital](https://millionrounds.com/fund/casdin-capital) [Deep Track Capital](https://millionrounds.com/fund/deep-track-capital) [Soleus Capital](https://millionrounds.com/fund/soleus-capital) [Eventide Asset Management](https://millionrounds.com/fund/eventide-asset-management) [Lyfe Capital](https://millionrounds.com/fund/lyfe-capital) [curie.bio](https://millionrounds.com/fund/curie-bio) [Deviation Capital](https://millionrounds.com/fund/deviation-capital) [YK Bioventures](https://millionrounds.com/fund/yk-bioventures) [ADAR1 Capital](https://millionrounds.com/fund/adar1-capital) [Coastlands Capital](https://millionrounds.com/fund/coastlands-capital) [SilverArc Capital](https://millionrounds.com/fund/silverarc-capital) Reported by Pulse 2.0 - **Jun 2021** Round **$15M** *4 new* [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Novo Holdings](https://millionrounds.com/fund/novo-ventures) [Vivo Capital](https://millionrounds.com/fund/vivo-capital) [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) Source recorded SEC filing: $15M sold, first sale Jun 2021 - **Feb 2019** Series B **$54M** *1 new* [Pivotal bioVenture Partners](https://millionrounds.com/fund/pivotal-life-sciences) Lead Reported by Prnewswire ## Founders and team From the SEC filings it signed: 5 on the team. - **David Dornan** Executive Officer i - **Edith Perez** Executive Officer i - **Grant Yonehiro** Executive Officer i - **Randall Schatzman** Executive Officer, Director i - **William Quinn** Executive Officer i On the board, as filed i *Ashish Khanna* *Edgar Engleman* *James Healy* *Kathleen LaPorte* *Mahendra Shah* *Peter Moldt* *Richard Miller* ## 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** 2019 **Round** 2021 **Round** 2026 [Pivotal bioVenture Partners](https://millionrounds.com/fund/pivotal-life-sciences) L [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Novo Holdings](https://millionrounds.com/fund/novo-ventures) [Vivo Capital](https://millionrounds.com/fund/vivo-capital) [Casdin Capital](https://millionrounds.com/fund/casdin-capital) [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) [Deep Track Capital](https://millionrounds.com/fund/deep-track-capital) [Soleus Capital](https://millionrounds.com/fund/soleus-capital) [Eventide Asset Management](https://millionrounds.com/fund/eventide-asset-management) ## Everyone who backed them [Pivotal bioVenture Partners](https://millionrounds.com/fund/pivotal-life-sciences) VC firm **1** round, led 1 [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) VC firm **1** round [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) Private equity **1** round [Novo Holdings](https://millionrounds.com/fund/novo-ventures) VC firm **1** round [Vivo Capital](https://millionrounds.com/fund/vivo-capital) Private equity **1** round [Casdin Capital](https://millionrounds.com/fund/casdin-capital) VC firm **1** round [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) VC firm **1** round [Deep Track Capital](https://millionrounds.com/fund/deep-track-capital) Private equity **1** round [Soleus Capital](https://millionrounds.com/fund/soleus-capital) Private equity **1** round [Eventide Asset Management](https://millionrounds.com/fund/eventide-asset-management) Investment firm **1** round [Lyfe Capital](https://millionrounds.com/fund/lyfe-capital) Growth equity **1** round [curie.bio](https://millionrounds.com/fund/curie-bio) Accelerator **1** round [Deviation Capital](https://millionrounds.com/fund/deviation-capital) VC firm **1** round [YK Bioventures](https://millionrounds.com/fund/yk-bioventures) VC firm **1** round [ADAR1 Capital](https://millionrounds.com/fund/adar1-capital) Investment firm **1** round [Coastlands Capital](https://millionrounds.com/fund/coastlands-capital) Investment firm **1** round [SilverArc Capital](https://millionrounds.com/fund/silverarc-capital) Investment firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=bolt-biotherapeutics). ## Quick answers about Bolt Biotherapeutics ### Who invested in Bolt Biotherapeutics? Bolt Biotherapeutics's investors include Pivotal bioVenture Partners, Andreessen Horowitz, RA Capital Management, Novo Holdings and Vivo Capital, and 12 more on record. ### How much has Bolt Biotherapeutics raised? Bolt Biotherapeutics has raised $189M across 3 rounds since 2019. ### When did Bolt Biotherapeutics last raise? Bolt Biotherapeutics's most recent round was an Undisclosed round of $120M in Oct 2026. ### What was Bolt Biotherapeutics's biggest round? Its most recent round, $120M in Oct 2026, is also its largest on record. ### Who backed Bolt Biotherapeutics first? Bolt Biotherapeutics's first round on record, in Feb 2019, was backed by Pivotal bioVenture Partners. ### What stage is Bolt Biotherapeutics at? Bolt Biotherapeutics's latest named round is an Undisclosed round, in Oct 2026. ### Where is Bolt Biotherapeutics based? Bolt Biotherapeutics is based in the United States. ### Who led Bolt Biotherapeutics's rounds? Pivotal bioVenture Partners led the Series B in 2019. ## Companies like Bolt Biotherapeutics In the same sector, and raised in the last eighteen months. [**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. 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