# Primmune Therapeutics funding: rounds and investors > Primmune Therapeutics has raised $32M across 2 rounds since 2026. Investors include Polaris Partners, Samsara BioCapital and Oberland Capital. Source: https://millionrounds.com/company/primmune-therapeutics (Millionrounds; every figure on the page links to its filing or article) United States · [Series B startup](https://millionrounds.com/companies) # Who invested in *Primmune Therapeutics* 2 rounds we have observed, with the 4 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 9 months ago Funding summary Updated 26 Oct 2026 **$32M** raised across 2 rounds since 2026, from 2 sources **$23M** Series B **$8.6M** Series B - **Latest round:** Series B, $8.6M Jan 2026 - **Biggest round:** $23M Series B · Jan 2026 - **Investors:** 4 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. 2026 2027 **$23M** Series B **$8.6M** Series B - **First round:** Series B, $23M - **Biggest round:** $23M ## The rounds - **Jan 2026** Series B **$8.6M** *2 new* *2 returning* [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) [Oberland Capital](https://millionrounds.com/fund/oberland-capital) [Bioqube Ventures](https://millionrounds.com/fund/bioqube-ventures) Reported by Bioqube Ventures - **Jan 2026** Series B **$23M** *2 new* [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) Source recorded ## Founders and team From Primmune Therapeutics's own website and the SEC filings it signed: 5 on the team. - **Scott Zook** Senior Vice President, Global Manufacturing - **Charles McDermott** President & CEO, Director - **Marc Veale** Chief Financial Officer - **Paulo S. Rangel** Chief Business Officer and Cofounder - **James R. Appleman** Executive Officer, Director i On the board, as filed i *Amir S. Nashat* *Andrew S. Rubinstein* *Scott S. Morenstein* *Todd J. Harris* ## 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** 2026 **Series B** 2026 [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) [Oberland Capital](https://millionrounds.com/fund/oberland-capital) [Bioqube Ventures](https://millionrounds.com/fund/bioqube-ventures) ## Everyone who backed them [Polaris Partners](https://millionrounds.com/fund/polaris-partners) VC firm **2** rounds [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) VC firm **2** rounds [Oberland Capital](https://millionrounds.com/fund/oberland-capital) Private credit **1** round [Bioqube Ventures](https://millionrounds.com/fund/bioqube-ventures) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=primmune-therapeutics). ## Quick answers about Primmune Therapeutics ### Who invested in Primmune Therapeutics? Primmune Therapeutics's investors include Polaris Partners, Samsara BioCapital, Oberland Capital and Bioqube Ventures. ### How much has Primmune Therapeutics raised? Primmune Therapeutics has raised $32M across 2 rounds since 2026. ### When did Primmune Therapeutics last raise? Primmune Therapeutics's most recent round was a Series B of $8.6M in Jan 2026. ### What was Primmune Therapeutics's biggest round? Primmune Therapeutics's largest round on record is $23M (Series B), in Jan 2026. ### Who backed Primmune Therapeutics first? Primmune Therapeutics's first round on record, in Jan 2026, was backed by Polaris Partners and Samsara BioCapital. ### What stage is Primmune Therapeutics at? Primmune Therapeutics's latest named round is a Series B, in Jan 2026. ### Where is Primmune Therapeutics based? Primmune Therapeutics is based in the United States. ## Companies like Primmune Therapeutics 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. Open the investor searchOr these rounds in the app