# Respiratory Motion funding: rounds and investors > Respiratory Motion has raised $24M across 10 rounds since 2011. Investors include Cherrystone Angel, Beta Fund and Alumni Ventures. Every round with its source. Source: https://millionrounds.com/company/respiratory-motion (Millionrounds; every figure on the page links to its filing or article) United States · [Series D startup](https://millionrounds.com/companies) # Who invested in *Respiratory Motion* 10 rounds we have observed, with the 9 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 Funding summary Updated 26 Oct 2026 **$24M** raised across 10 rounds since 2011, from 10 sources **$781K** Series A **$5.8M** Series B **$18M** Series D - **Latest round:** Series D, $18M May 2019 - **Step-up i:** 3.1× - **Investors:** 9 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 **?** Round **$781K** Series A **?** Round **?** Round **?** Round **?** Venture **?** Series C **$18M** Series D - **First round:** Round - **Biggest round:** $18M - **Usual gap between rounds:** 5 months ## The rounds - **May 2019** Series D **$18M** *4 new* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Angel Invest](https://millionrounds.com/fund/angel-invest) [Tech Coast Angels](https://millionrounds.com/fund/tech-coast-angels) [Golden Seeds](https://millionrounds.com/fund/golden-seeds) Source recorded - **Mar 2015** Series C **Amount undisclosed** *1 returning* [Cherrystone Angel](https://millionrounds.com/fund/cherrystone-angel-group) From a historical funding record - **Feb 2014** Series B **$5.8M** *1 new* [Easton Capital](https://millionrounds.com/fund/easton-capital-investment-group) From a historical funding record SEC filing: $5.8M sold, first sale Jan 2014 - **Dec 2013** Venture **Amount undisclosed** *1 returning* [Beta Fund](https://millionrounds.com/fund/beta-fund) From a historical funding record SEC filing: $5.8M sold, first sale Jan 2014 - **Sept 2013** Round **Amount undisclosed** *2 returning* [Cherrystone Angel](https://millionrounds.com/fund/cherrystone-angel-group) [Beta Fund](https://millionrounds.com/fund/beta-fund) From a historical funding record - **Jul 2013** Round **Amount undisclosed** *2 returning* [Cherrystone Angel](https://millionrounds.com/fund/cherrystone-angel-group) [Beta Fund](https://millionrounds.com/fund/beta-fund) From a historical funding record - **Mar 2013** Round **Amount undisclosed** *2 new* *2 returning* [Cherrystone Angel](https://millionrounds.com/fund/cherrystone-angel-group) [Beta Fund](https://millionrounds.com/fund/beta-fund) [Oleg Uritsky](https://millionrounds.com/fund/oleg-uritsky) [Fort Point Angels](https://millionrounds.com/fund/fort-point-angels) From a historical funding record - **Aug 2012** Round **Amount undisclosed** *1 new* *1 returning* [Cherrystone Angel](https://millionrounds.com/fund/cherrystone-angel-group) [Beta Fund](https://millionrounds.com/fund/beta-fund) From a historical funding record - **Jan 2012** Series A **$781K** *1 returning* [Cherrystone Angel](https://millionrounds.com/fund/cherrystone-angel-group) Reported by sec.gov SEC filing: $781K sold, first sale Dec 2011 - **Aug 2011** Round **Amount undisclosed** *1 new* [Cherrystone Angel](https://millionrounds.com/fund/cherrystone-angel-group) 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. **Round** 2012 **Round** 2013 **Round** 2013 **Round** 2013 **Venture** 2013 **Series B** 2014 **Series C** 2015 **Series D** 2019 [Cherrystone Angel](https://millionrounds.com/fund/cherrystone-angel-group) [Beta Fund](https://millionrounds.com/fund/beta-fund) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Angel Invest](https://millionrounds.com/fund/angel-invest) [Tech Coast Angels](https://millionrounds.com/fund/tech-coast-angels) [Golden Seeds](https://millionrounds.com/fund/golden-seeds) [Easton Capital](https://millionrounds.com/fund/easton-capital-investment-group) [Oleg Uritsky](https://millionrounds.com/fund/oleg-uritsky) [Fort Point Angels](https://millionrounds.com/fund/fort-point-angels) ## Everyone who backed them [Cherrystone Angel](https://millionrounds.com/fund/cherrystone-angel-group) Angel network **7** rounds [Beta Fund](https://millionrounds.com/fund/beta-fund) VC firm **5** rounds [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round [Angel Invest](https://millionrounds.com/fund/angel-invest) VC firm **1** round [Tech Coast Angels](https://millionrounds.com/fund/tech-coast-angels) VC firm **1** round [Golden Seeds](https://millionrounds.com/fund/golden-seeds) Angel network **1** round [Easton Capital](https://millionrounds.com/fund/easton-capital-investment-group) VC firm **1** round [Oleg Uritsky](https://millionrounds.com/fund/oleg-uritsky) Angel **1** round [Fort Point Angels](https://millionrounds.com/fund/fort-point-angels) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=respiratory-motion). ## Also claim to have backed them These 2 firms list Respiratory Motion 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. [Boston Harbor Angels](https://millionrounds.com/fund/boston-harbor-angels) Angel network Per its own site [Maine Angels](https://millionrounds.com/fund/maine-angels) Angel network Per its own site ## Quick answers about Respiratory Motion ### Who invested in Respiratory Motion? Respiratory Motion's investors include Cherrystone Angel, Beta Fund, Alumni Ventures, Angel Invest and Tech Coast Angels, and 4 more on record. ### How much has Respiratory Motion raised? Respiratory Motion has raised $24M across 10 rounds since 2011. 7 rounds did not disclose an amount, so the total is a floor. ### When did Respiratory Motion last raise? Respiratory Motion's most recent round was a Series D of $18M in May 2019. ### What was Respiratory Motion's biggest round? Its most recent round, $18M in May 2019, is also its largest on record. ### Who backed Respiratory Motion first? Respiratory Motion's first round on record, in Aug 2011, was backed by Cherrystone Angel. ### What stage is Respiratory Motion at? Respiratory Motion's latest named round is a Series D, in May 2019. ### Where is Respiratory Motion based? Respiratory Motion is based in the United States. ## Companies like Respiratory Motion In the same sector, and raised in the last eighteen months. 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