# SQZ Biotech funding: rounds and investors > SQZ Biotech has raised $23M across 5 rounds since 2013. Investors include Polaris Partners, National Science Foundation and Alumni Ventures. Source: https://millionrounds.com/company/sqz-biotech (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *SQZ Biotech* 5 rounds we have observed, with the 8 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 Follow SQZ Biotech and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fsqz-biotech) Funding summary Updated 27 Oct 2026 **$23M** raised across 5 rounds since 2013, from 5 sources **$100K** Grant **$15K** Venture **$5.0M** Series A **$16M** Series B **$2.0M** Grant - **Latest round:** Grant, $2.0M Mar 2022 - **Biggest round:** $16M Series B · Sept 2016 - **Investors:** 8 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 2017 2019 2021 **$100K** Grant **$15K** Venture **$5.0M** Series A **$16M** Series B **$2.0M** Grant - **First round:** Grant, $100K - **Biggest round:** $16M - **Usual gap between rounds:** 15 months ## The rounds - **Mar 2022** Grant **$2.0M** *4 new* *1 returning* [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Temasek Holdings](https://millionrounds.com/fund/temasek) [Illumina Ventures](https://millionrounds.com/fund/illumina-ventures) Source recorded - **Sept 2016** Series B **$16M** *1 new* *1 returning* [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Nano Dimension](https://millionrounds.com/fund/nanodimension) Reported by FinSMEs - **Jun 2015** Series A **$5.0M** *2 new* [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [20/20 HealthCare Partners](https://millionrounds.com/fund/20-20-healthcare-partners) From a historical funding record - **Apr 2014** Venture **$15K** No investor was named in the report. From a historical funding record - **Oct 2013** Grant **$100K** *1 new* [MassChallenge](https://millionrounds.com/fund/masschallenge) 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. **Grant** 2013 **Venture** 2014 **Series A** 2015 **Series B** 2016 **Grant** 2022 [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [MassChallenge](https://millionrounds.com/fund/masschallenge) [Temasek Holdings](https://millionrounds.com/fund/temasek) [Illumina Ventures](https://millionrounds.com/fund/illumina-ventures) [Nano Dimension](https://millionrounds.com/fund/nanodimension) [20/20 HealthCare Partners](https://millionrounds.com/fund/20-20-healthcare-partners) ## Everyone who backed them [Polaris Partners](https://millionrounds.com/fund/polaris-partners) VC firm **3** rounds [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government **1** round [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round [MassChallenge](https://millionrounds.com/fund/masschallenge) Accelerator **1** round [Temasek Holdings](https://millionrounds.com/fund/temasek) VC firm **1** round [Illumina Ventures](https://millionrounds.com/fund/illumina-ventures) VC firm **1** round [Nano Dimension](https://millionrounds.com/fund/nanodimension) Growth equity **1** round [20/20 HealthCare Partners](https://millionrounds.com/fund/20-20-healthcare-partners) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=sqz-biotech). ## Also claim to have backed them These 2 firms list SQZ Biotech as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above. [Maine Angels](https://millionrounds.com/fund/maine-angels) Angel network Per its own site [MIT Alumni Angels of NorCal](https://millionrounds.com/fund/mit-alumni-angels-of-norcal) Angel network Per its own site ## Quick answers about SQZ Biotech ### Who invested in SQZ Biotech? SQZ Biotech's investors include Polaris Partners, National Science Foundation, Alumni Ventures, MassChallenge and Temasek Holdings, and 3 more on record. ### How much has SQZ Biotech raised? SQZ Biotech has raised $23M across 5 rounds since 2013. ### When did SQZ Biotech last raise? SQZ Biotech's most recent round was a Grant of $2.0M in Mar 2022. ### What was SQZ Biotech's biggest round? SQZ Biotech's largest round on record is $16M (Series B), in Sept 2016. ### Who backed SQZ Biotech first? SQZ Biotech's first round on record, in Oct 2013, was backed by MassChallenge. ### What stage is SQZ Biotech at? SQZ Biotech's latest named round is a Grant, in Mar 2022. ### Where is SQZ Biotech based? SQZ Biotech is based in the United States. ## Companies like SQZ Biotech In the same sector, and raised in the last eighteen months. [**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**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