# Neuronetics funding: rounds and investors > Neuronetics has raised $110M across 6 rounds since 2001. Investors include InterWest Partners, New Leaf Venture Partners and ONSET Ventures. Source: https://millionrounds.com/company/neuronetics (Millionrounds; every figure on the page links to its filing or article) United States · [Series G startup](https://millionrounds.com/companies) # Who invested in *Neuronetics* 6 rounds we have observed, with the 23 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 **$110M** raised across 6 rounds since 2001, from 6 sources **$30M** Series D **$30M** Series E **$272K** Series F **$34M** Series F **$15M** Series G - **Latest round:** Series G, $15M Jun 2017 - **Biggest round:** $34M Series F · Apr 2015 - **Investors:** 23 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. 2001 2004 2007 2010 2013 2016 **?** Seed **$30M** Series D **$30M** Series E **$272K** Series F **$34M** Series F **$15M** Series G - **First round:** Seed - **Biggest round:** $34M - **Usual gap between rounds:** 2.1 years ## The rounds - **Jun 2017** Series G **$15M** *10 new* *2 returning* [InterWest Partners](https://millionrounds.com/fund/interwest-partners) [Ascension](https://millionrounds.com/fund/ascension) [Pfizer](https://millionrounds.com/fund/pfizer) [GE](https://millionrounds.com/fund/ge) [Goldbell Group](https://millionrounds.com/fund/polaris) [Accuitive Medical](https://millionrounds.com/fund/accuitive-medical) [Investor Growth](https://millionrounds.com/fund/investor-growth) [Onset](https://millionrounds.com/fund/onset) Industry KBL New Leaf Three Arch Reported by FinSMEs SEC filing: $15M sold, first sale Jun 2017 - **Apr 2015** Series F **$34M** *2 new* *6 returning* [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [New Leaf Venture Partners](https://millionrounds.com/fund/new-leaf-venture-partners) [ONSET Ventures](https://millionrounds.com/fund/onset-ventures) [Pfizer](https://millionrounds.com/fund/pfizer) [GE Ventures](https://millionrounds.com/fund/ge-ventures) [Three Arch Partners](https://millionrounds.com/fund/three-arch-partners) [Quaker Partners](https://millionrounds.com/fund/quaker-partners) [Investor Growth Capital Limited](https://millionrounds.com/fund/investor-growth-capital-limited) From a historical funding record SEC filing: $34M sold, first sale Apr 2015 - **Jan 2013** Series F **$272K** No investor was named in the report. Reported by sec.gov SEC filing: $272K sold, first sale Dec 2012 - **May 2011** Series E **$30M** *2 new* *6 returning* [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [InterWest Partners](https://millionrounds.com/fund/interwest-partners) [New Leaf Venture Partners](https://millionrounds.com/fund/new-leaf-venture-partners) [ONSET Ventures](https://millionrounds.com/fund/onset-ventures) [Investor AB](https://millionrounds.com/fund/investor-ab) [Pfizer](https://millionrounds.com/fund/pfizer) [Three Arch Partners](https://millionrounds.com/fund/three-arch-partners) [Quaker Partners](https://millionrounds.com/fund/quaker-partners) Reported by marketwire.com SEC filing: $30M sold, first sale May 2011 - **Oct 2009** Series D **$30M** *7 new* *1 returning* [InterWest Partners](https://millionrounds.com/fund/interwest-partners) [New Leaf Venture Partners](https://millionrounds.com/fund/new-leaf-venture-partners) [ONSET Ventures](https://millionrounds.com/fund/onset-ventures) [Investor AB](https://millionrounds.com/fund/investor-ab) [Three Arch Partners](https://millionrounds.com/fund/three-arch-partners) [Quaker Partners](https://millionrounds.com/fund/quaker-partners) [Partisan Management Group](https://millionrounds.com/fund/partisan-management-group-inc) [KBL Healthcare Ventures](https://millionrounds.com/fund/kbl-healthcare-ventures) Reported by onbiovc.com SEC filing: $30M sold, first sale Aug 2009 - **Aug 2001** Seed **Amount undisclosed** *2 new* [Accuitive Medical Ventures](https://millionrounds.com/fund/accuitive-medical-ventures) [Partisan Management Group](https://millionrounds.com/fund/partisan-management-group-inc) From a historical funding record ## Founders and team From the SEC filings it signed: 6 on the team. - **Anthony Pui** Executive Officer i - **Cassie Hallberg** Executive Officer i - **Christopher Thatcher** Executive Officer, Director i - **Greg Harper** Executive Officer i - **Peter Donato** Executive Officer i - **Steve MacKinnon** Executive Officer i On the board, as filed i *Brian Farley* *Ron Hunt* *Stephen Campe* *Wilfred Jaeger* ## 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. **Seed** 2001 **Series D** 2009 **Series E** 2011 **Series F** 2013 **Series F** 2015 **Series G** 2017 [InterWest Partners](https://millionrounds.com/fund/interwest-partners) [New Leaf Venture Partners](https://millionrounds.com/fund/new-leaf-venture-partners) [ONSET Ventures](https://millionrounds.com/fund/onset-ventures) [Pfizer](https://millionrounds.com/fund/pfizer) [Three Arch Partners](https://millionrounds.com/fund/three-arch-partners) [Quaker Partners](https://millionrounds.com/fund/quaker-partners) [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Investor AB](https://millionrounds.com/fund/investor-ab) [Partisan Management Group](https://millionrounds.com/fund/partisan-management-group-inc) [Ascension](https://millionrounds.com/fund/ascension) ## Everyone who backed them [InterWest Partners](https://millionrounds.com/fund/interwest-partners) VC firm **3** rounds [New Leaf Venture Partners](https://millionrounds.com/fund/new-leaf-venture-partners) VC firm **3** rounds [ONSET Ventures](https://millionrounds.com/fund/onset-ventures) VC firm **3** rounds [Pfizer](https://millionrounds.com/fund/pfizer) Corporate VC **3** rounds [Three Arch Partners](https://millionrounds.com/fund/three-arch-partners) Growth equity **3** rounds [Quaker Partners](https://millionrounds.com/fund/quaker-partners) VC firm **3** rounds [Polaris Partners](https://millionrounds.com/fund/polaris-partners) VC firm **2** rounds [Investor AB](https://millionrounds.com/fund/investor-ab) VC firm **2** rounds [Partisan Management Group](https://millionrounds.com/fund/partisan-management-group-inc) VC firm **2** rounds [Ascension](https://millionrounds.com/fund/ascension) VC firm **1** round [GE Ventures](https://millionrounds.com/fund/ge-ventures) Corporate VC **1** round [Investor Growth Capital Limited](https://millionrounds.com/fund/investor-growth-capital-limited) Growth equity **1** round [Accuitive Medical Ventures](https://millionrounds.com/fund/accuitive-medical-ventures) VC firm **1** round [GE](https://millionrounds.com/fund/ge) Corporate VC **1** round [Goldbell Group](https://millionrounds.com/fund/polaris) Growth equity **1** round [KBL Healthcare Ventures](https://millionrounds.com/fund/kbl-healthcare-ventures) Growth equity **1** round [Accuitive Medical](https://millionrounds.com/fund/accuitive-medical) Investment firm **1** round [Investor Growth](https://millionrounds.com/fund/investor-growth) Investment firm **1** round [Onset](https://millionrounds.com/fund/onset) Corporate VC **1** round Industry no record of our own yet **1** round KBL no record of our own yet **1** round New Leaf no record of our own yet **1** round Three Arch no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=neuronetics). ## Quick answers about Neuronetics ### Who invested in Neuronetics? Neuronetics's investors include InterWest Partners, New Leaf Venture Partners, ONSET Ventures, Pfizer and Three Arch Partners, and 18 more on record. ### How much has Neuronetics raised? Neuronetics has raised $110M across 6 rounds since 2001. One round did not disclose an amount, so the total is a floor. ### When did Neuronetics last raise? Neuronetics's most recent round was a Series G of $15M in Jun 2017. ### What was Neuronetics's biggest round? Neuronetics's largest round on record is $34M (Series F), in Apr 2015. ### Who backed Neuronetics first? Neuronetics's first round on record, in Aug 2001, was backed by Accuitive Medical Ventures and Partisan Management Group. ### What stage is Neuronetics at? Neuronetics's latest named round is a Series G, in Jun 2017. ### Where is Neuronetics based? Neuronetics is based in the United States. ## Companies like Neuronetics 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