# Purigen Biosystems funding: rounds and investors > Purigen Biosystems has raised $62M across 4 rounds since 2013. Investors include Cota Capital, 5AM Ventures and Agilent Technologies. Source: https://millionrounds.com/company/purigen-biosystems (Millionrounds; every figure on the page links to its filing or article) United States · [Series C startup](https://millionrounds.com/companies) # Who invested in *Purigen Biosystems* 4 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 Funding summary Updated 26 Oct 2026 **$62M** raised across 4 rounds since 2013, from 4 sources **$830K** Debt **$200K** Debt **$26M** Series B **$34M** Series C - **Latest round:** Series C, $34M Apr 2021 - **Step-up i:** 1.3× - **Investors:** 4 (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. 2013 2015 2017 2019 2021 **$830K** Debt **$200K** Debt **$26M** Series B **$34M** Series C - **First round:** Debt, $830K - **Biggest round:** $34M - **Usual gap between rounds:** 22 months ## The rounds - **Apr 2021** Series C **$34M** *2 returning* [Cota Capital](https://millionrounds.com/fund/cota-capital) [5AM Ventures](https://millionrounds.com/fund/5am-ventures) Source recorded SEC filing: $34M sold, first sale Mar 2019 - **Jun 2019** Series B **$26M** *4 new* [Agilent Technologies](https://millionrounds.com/fund/agilent-technologies) Lead [Cota Capital](https://millionrounds.com/fund/cota-capital) [5AM Ventures](https://millionrounds.com/fund/5am-ventures) [Roche Venture Fund](https://millionrounds.com/fund/roche-venture-fund) Reported by FinSMEs - **Aug 2014** Debt **$200K** No investor was named in the report. From a historical funding record SEC filing: $200K sold, first sale Jul 2014 - **Apr 2013** Debt **$830K** No investor was named in the report. Reported by sec.gov SEC filing: $830K sold, first sale Apr 2013 ## Founders and team From the SEC filings it signed: 4 on the team. - **Barney E. Saunders** Chief Executive Officer i - **Klint E. Rose** Chief Scientific Officer i - **Steve E. Reichenbach** Chief Financial Officer i - **Joseph J. Victor** Executive Chairman of the Board of Directors i On the board, as filed i *Bill W. Colston* *Kevin W. Corcoran* *Mira E. Chaurushiya* ## 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. **Debt** 2013 **Debt** 2014 **Series B** 2019 **Series C** 2021 [Cota Capital](https://millionrounds.com/fund/cota-capital) [5AM Ventures](https://millionrounds.com/fund/5am-ventures) [Agilent Technologies](https://millionrounds.com/fund/agilent-technologies) L [Roche Venture Fund](https://millionrounds.com/fund/roche-venture-fund) ## Everyone who backed them [Cota Capital](https://millionrounds.com/fund/cota-capital) VC firm **2** rounds [5AM Ventures](https://millionrounds.com/fund/5am-ventures) VC firm **2** rounds [Agilent Technologies](https://millionrounds.com/fund/agilent-technologies) Corporate VC **1** round, led 1 [Roche Venture Fund](https://millionrounds.com/fund/roche-venture-fund) Corporate VC **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=purigen-biosystems). ## Quick answers about Purigen Biosystems ### Who invested in Purigen Biosystems? Purigen Biosystems's investors include Cota Capital, 5AM Ventures, Agilent Technologies and Roche Venture Fund. ### How much has Purigen Biosystems raised? Purigen Biosystems has raised $62M across 4 rounds since 2013. ### When did Purigen Biosystems last raise? Purigen Biosystems's most recent round was a Series C of $34M in Apr 2021. ### What was Purigen Biosystems's biggest round? Its most recent round, $34M in Apr 2021, is also its largest on record. ### Who backed Purigen Biosystems first? Purigen Biosystems's first round on record, in Jun 2019, was backed by Agilent Technologies, Cota Capital and 5AM Ventures and 1 others. ### What stage is Purigen Biosystems at? Purigen Biosystems's latest named round is a Series C, in Apr 2021. ### Where is Purigen Biosystems based? Purigen Biosystems is based in the United States. ### Who led Purigen Biosystems's rounds? Agilent Technologies led the Series B in 2019. ## Companies like Purigen Biosystems 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