# Medrobotics funding: rounds and investors > Medrobotics has raised $176M across 9 rounds since 2011. Investors include Hercules Capital. Every round with its source. Source: https://millionrounds.com/company/medrobotics (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Medrobotics* 9 rounds we have observed, with the one investor 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 Medrobotics and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fmedrobotics) Funding summary Updated 15 Nov 2026 **$176M** raised across 9 rounds since 2011, from 9 sources **$34M** Series D - **Latest round:** Round, $20M Jan 2017 - **Biggest round:** $34M Series D · Dec 2012 - **Investors:** 1 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. 2012 2013 2014 2015 2016 2017 **$12M** Series A **$8.0M** Series B **$34M** Series D **$10M** Debt **$21M** Venture **$26M** Series E **$20M** Series F **$25M** Series G **$20M** Round - **First round:** Series A, $12M - **Biggest round:** $34M - **Usual gap between rounds:** 8 months ## The rounds - **Jan 2017** Round **$20M** No investor was named in the report. Reported by Massdevice SEC filing: $20M sold, first sale Jan 2017 - **Nov 2015** Series G **$25M** No investor was named in the report. From a historical funding record SEC filing: $2.4M sold, first sale Sept 2015 - **Oct 2014** Series F **$20M** No investor was named in the report. From a historical funding record SEC filing: $20M sold, first sale Oct 2014 - **May 2014** Series E **$26M** No investor was named in the report. From a historical funding record - **Sept 2013** Venture **$21M** No investor was named in the report. Reported by sec.gov SEC filing: $21M sold, first sale Sept 2013 - **Mar 2013** Debt **$10M** *1 new* [Hercules Capital](https://millionrounds.com/fund/hercules-capital) Reported by finsmes.com - **Dec 2012** Series D **$34M** No investor was named in the report. Reported by freshnews.com - **Aug 2012** Series B **$8.0M** No investor was named in the report. Reported by bizjournals.com SEC filing: $8.1M sold, first sale Jul 2012 - **Nov 2011** Series A **$12M** No investor was named in the report. Reported by medrobotics.com SEC filing: $6.5M sold, first sale Dec 2011 ## Funding filed with regulators Medrobotics filed 6 raises, $78M in all. Filings say how much was sold and to how many investors; they never name the investors. - Jan 2017 **$20M** 12 investors equity SEC Form D - Sept 2015 **$2.4M** 9 investors equity of $25M offered SEC Form D - Oct 2014 **$20M** 31 investors equity of $20M offered SEC Form D - Sept 2013 **$21M** 32 investors equity, options of $26M offered SEC Form D - Jul 2012 **$8.1M** 18 investors debt, options of $20M offered SEC Form D - Dec 2011 **$6.5M** 14 investors debt, options of $10M offered SEC Form D ## Founders and team From the SEC filings it signed: 7 on the team. - **David S. Smith** Executive Officer i - **Mark F Peters** Executive Officer i - **Michael F Gallagher** Executive Officer i - **Richard F Walsh** Executive Officer i - **Russell F Singleton** Executive Officer i - **Samuel F Straface** Executive Officer, Director i - **Thomas F Patzelt** Executive Officer i On the board, as filed i *Brad S. Petersen* *Christopher S. Petersen* *James S. Jordan* *Richard S. Petersen* *Robert S. Beck* *Thomas S. Dugan* ## Everyone who backed them [Hercules Capital](https://millionrounds.com/fund/hercules-capital) Venture debt **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=medrobotics). ## Quick answers about Medrobotics ### Who invested in Medrobotics? Medrobotics's investors include Hercules Capital. ### How much has Medrobotics raised? Medrobotics has raised $176M across 9 rounds since 2011. ### When did Medrobotics last raise? Medrobotics's most recent round was an Undisclosed round of $20M in Jan 2017. ### What was Medrobotics's biggest round? Medrobotics's largest round on record is $34M (Series D), in Dec 2012. ### Who backed Medrobotics first? Medrobotics's first round on record, in Mar 2013, was backed by Hercules Capital. ### What stage is Medrobotics at? Medrobotics's latest named round is an Undisclosed round, in Jan 2017. ### Where is Medrobotics based? Medrobotics is based in the United States. ## Companies like Medrobotics In the same sector, and raised in the last eighteen months. [**VuMedi** $142M · Nov 2026](https://millionrounds.com/company/vumedi)[**Zus Health** $73M · Nov 2026](https://millionrounds.com/company/zus-health)[**MedHaul** $4.1M · Nov 2026](https://millionrounds.com/company/medhaul)[**Betterness** $3.5M · Nov 2026](https://millionrounds.com/company/betterness)[**Neuvivo** $1.4M · Nov 2026](https://millionrounds.com/company/neuvivo)[**Sleep.ai** $11M · Nov 2026](https://millionrounds.com/company/sleep-ai) ## 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