# Visterra funding: rounds and investors > Visterra has raised $120M across 6 rounds since 2009. Investors include Polaris Partners, Omega Funds and Lux Capital. Every round with its source. Source: https://millionrounds.com/company/visterra (Millionrounds; every figure on the page links to its filing or article) United States · [Series C startup](https://millionrounds.com/companies) # Who invested in *Visterra* 6 rounds we have observed, with the 15 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 Visterra and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fvisterra) Funding summary Updated 27 Oct 2026 **$120M** raised across 6 rounds since 2009, from 6 sources **$3.2M** Venture **$6.0M** Debt **$26M** Series A **$8.1M** Series A **$30M** Series B **$47M** Series C - **Latest round:** Series C, $47M Oct 2017 - **Step-up i:** 1.6× - **Investors:** 15 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. 2011 2013 2015 2017 **$3.2M** Venture **$6.0M** Debt **$26M** Series A **$8.1M** Series A **$30M** Series B **$47M** Series C - **First round:** Venture, $3.2M - **Biggest round:** $47M - **Usual gap between rounds:** 13 months ## The rounds - **Oct 2017** Series C **$47M** *4 new* *2 returning* [Omega Funds](https://millionrounds.com/fund/omega-funds) [Gates Foundation](https://millionrounds.com/fund/bill-and-melinda-gates-foundation) [Flagship Pioneering](https://millionrounds.com/fund/flagship-pioneering) [Vertex](https://millionrounds.com/fund/vertex) [Goldbell Group](https://millionrounds.com/fund/polaris) [MRL Fund](https://millionrounds.com/fund/mrl-fund) Reported by FinSMEs - **Oct 2014** Series B **$30M** *6 new* *2 returning* [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Temasek Holdings](https://millionrounds.com/fund/temasek) [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) [Omega Funds](https://millionrounds.com/fund/omega-funds) [Flagship Ventures](https://millionrounds.com/fund/flagship-ventures) [Merck Global Health Innovation Fund](https://millionrounds.com/fund/merck-global-health-innovation-fund) [Vertex Holdings](https://millionrounds.com/fund/vertex-holdings) [Cycad Group](https://millionrounds.com/fund/cycad-group) From a historical funding record - **Dec 2013** Series A **$8.1M** *5 returning* [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Lux Capital](https://millionrounds.com/fund/lux-capital) [Omega Funds](https://millionrounds.com/fund/omega-funds) [Flagship Pioneering, LLC](https://millionrounds.com/fund/flagship-pioneering-llc) [Gates Foundation](https://millionrounds.com/fund/bill-and-melinda-gates-foundation) Reported by finsmes.com SEC filing: $34M sold, first sale May 2012 - **Nov 2012** Series A **$26M** *2 new* *3 returning* [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Lux Capital](https://millionrounds.com/fund/lux-capital) [Omega Funds](https://millionrounds.com/fund/omega-funds) [Flagship Pioneering, LLC](https://millionrounds.com/fund/flagship-pioneering-llc) [Gates Foundation](https://millionrounds.com/fund/bill-and-melinda-gates-foundation) Reported by sec.gov SEC filing: $26M sold, first sale May 2012 - **Aug 2010** Debt **$6.0M** *3 new* [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Lux Capital](https://millionrounds.com/fund/lux-capital) [Flagship Pioneering, LLC](https://millionrounds.com/fund/flagship-pioneering-llc) Reported by sec.gov SEC filing: $6.0M sold, first sale Sept 2010 - **Dec 2009** Venture **$3.2M** No investor was named in the report. From a historical funding record ## Founders and team From the SEC filings it signed: 2 on the team. - **Brian J.G. Pereira** Executive Officer, Director i - **David J.G. Arkowitz** Executive Officer i On the board, as filed i *Alan J.G. Crane* *Edward J.G. Kania* *Kevin J.G. Bitterman* *Ram J.G. Sasisekharan* ## 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. **Venture** 2009 **Debt** 2010 **Series A** 2012 **Series A** 2013 **Series B** 2014 **Series C** 2017 [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Omega Funds](https://millionrounds.com/fund/omega-funds) [Lux Capital](https://millionrounds.com/fund/lux-capital) [Flagship Pioneering, LLC](https://millionrounds.com/fund/flagship-pioneering-llc) [Gates Foundation](https://millionrounds.com/fund/bill-and-melinda-gates-foundation) [Temasek Holdings](https://millionrounds.com/fund/temasek) [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) [Flagship Ventures](https://millionrounds.com/fund/flagship-ventures) [Flagship Pioneering](https://millionrounds.com/fund/flagship-pioneering) [Merck Global Health Innovation Fund](https://millionrounds.com/fund/merck-global-health-innovation-fund) ## Everyone who backed them [Polaris Partners](https://millionrounds.com/fund/polaris-partners) VC firm **4** rounds [Omega Funds](https://millionrounds.com/fund/omega-funds) VC firm **4** rounds [Lux Capital](https://millionrounds.com/fund/lux-capital) VC firm **3** rounds [Flagship Pioneering, LLC](https://millionrounds.com/fund/flagship-pioneering-llc) VC firm **3** rounds [Gates Foundation](https://millionrounds.com/fund/bill-and-melinda-gates-foundation) Institutional LP **3** rounds [Temasek Holdings](https://millionrounds.com/fund/temasek) VC firm **1** round [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) VC firm **1** round [Flagship Ventures](https://millionrounds.com/fund/flagship-ventures) Accelerator **1** round [Flagship Pioneering](https://millionrounds.com/fund/flagship-pioneering) VC firm **1** round [Merck Global Health Innovation Fund](https://millionrounds.com/fund/merck-global-health-innovation-fund) Corporate VC **1** round [Vertex](https://millionrounds.com/fund/vertex) Hedge fund **1** round [Vertex Holdings](https://millionrounds.com/fund/vertex-holdings) VC firm **1** round [Goldbell Group](https://millionrounds.com/fund/polaris) Growth equity **1** round [Cycad Group](https://millionrounds.com/fund/cycad-group) Growth equity **1** round [MRL Fund](https://millionrounds.com/fund/mrl-fund) Company **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=visterra). ## Quick answers about Visterra ### Who invested in Visterra? Visterra's investors include Polaris Partners, Omega Funds, Lux Capital, Flagship Pioneering, LLC and Gates Foundation, and 10 more on record. ### How much has Visterra raised? Visterra has raised $120M across 6 rounds since 2009. ### When did Visterra last raise? Visterra's most recent round was a Series C of $47M in Oct 2017. ### What was Visterra's biggest round? Its most recent round, $47M in Oct 2017, is also its largest on record. ### Who backed Visterra first? Visterra's first round on record, in Aug 2010, was backed by Polaris Partners, Lux Capital and Flagship Pioneering, LLC. ### What stage is Visterra at? Visterra's latest named round is a Series C, in Oct 2017. ### Where is Visterra based? Visterra is based in the United States. ## Companies like Visterra In the same sector, and raised in the last eighteen months. 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