# Gauss Surgical funding: rounds and investors > Gauss Surgical has raised $39M across 6 rounds since 2011. Investors include Promus Ventures, SoftBank BB Corp and Stanford University. Source: https://millionrounds.com/company/gauss-surgical (Millionrounds; every figure on the page links to its filing or article) United States · [Series C startup](https://millionrounds.com/companies) # Who invested in *Gauss Surgical* 6 rounds we have observed, with the 19 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 **$39M** raised across 6 rounds since 2011, from 6 sources **$805K** Seed **$3.2M** Series A **$1.4M** Seed **$1.5M** Seed **$12M** Series A **$20M** Series C - **Latest round:** Series C, $20M Oct 2018 - **Step-up i:** 1.7× - **Investors:** 19 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 2018 **$805K** Seed **$3.2M** Series A **$1.4M** Seed **$1.5M** Seed **$12M** Series A **$20M** Series C - **First round:** Seed, $805K - **Biggest round:** $20M - **Usual gap between rounds:** 21 months ## The rounds - **Oct 2018** Series C **$20M** *10 new* [SoftBank BB Corp](https://millionrounds.com/fund/softbank) [OSF Ventures](https://millionrounds.com/fund/osf-ventures) [Orlando Health](https://millionrounds.com/fund/orlando-health-ventures) [Spectrum](https://millionrounds.com/fund/spectrum) LS Polaris Memorial Hermann Health System Mount Sinai Northwell Providence Healthcare UNC/REX Reported by FinSMEs - **Aug 2015** Series A **$12M** *2 new* *1 returning* [Promus Ventures](https://millionrounds.com/fund/promus-ventures) [Lifeforce Capital](https://millionrounds.com/fund/lifeforce-capital) [Summation Health Ventures](https://millionrounds.com/fund/summation-health-ventures) From a historical funding record SEC filing: $3.3M sold, first sale Jul 2015 - **Oct 2014** Seed **$1.5M** *1 returning* [Promus Ventures](https://millionrounds.com/fund/promus-ventures) From a historical funding record SEC filing: $1.5M sold, first sale Oct 2014 - **Feb 2013** Series A **$3.2M** No investor was named in the report. From a historical funding record - **Feb 2013** Seed **$1.4M** No investor was named in the report. From a historical funding record - **Dec 2011** Seed **$805K** *7 new* [Promus Ventures](https://millionrounds.com/fund/promus-ventures) [Stanford University](https://millionrounds.com/fund/ahpcrc) [Mike Levinthal](https://millionrounds.com/fund/mike-levinthal) [Rick Magnuson](https://millionrounds.com/fund/rick-magnuson) [Taube Investment Partners](https://millionrounds.com/fund/taube-investment-partners) Jay Watkins Joe Mandato From a historical funding record ## Founders and team From the SEC filings it signed: 2 on the team. - **Milton McColl** Executive Officer, Director i - **Siddarth Satish** Executive Officer, Director i On the board, as filed i *Daniel Galles* *Jay Watkins* *Mark Gonzalgo* *Michael Collett* ## 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** 2011 **Series A** 2013 **Seed** 2013 **Seed** 2014 **Series A** 2015 **Series C** 2018 [Promus Ventures](https://millionrounds.com/fund/promus-ventures) [SoftBank BB Corp](https://millionrounds.com/fund/softbank) [Stanford University](https://millionrounds.com/fund/ahpcrc) [Lifeforce Capital](https://millionrounds.com/fund/lifeforce-capital) [OSF Ventures](https://millionrounds.com/fund/osf-ventures) [Mike Levinthal](https://millionrounds.com/fund/mike-levinthal) [Orlando Health](https://millionrounds.com/fund/orlando-health-ventures) [Rick Magnuson](https://millionrounds.com/fund/rick-magnuson) [Spectrum](https://millionrounds.com/fund/spectrum) [Summation Health Ventures](https://millionrounds.com/fund/summation-health-ventures) ## Everyone who backed them [Promus Ventures](https://millionrounds.com/fund/promus-ventures) VC firm **3** rounds [SoftBank BB Corp](https://millionrounds.com/fund/softbank) Company **1** round [Stanford University](https://millionrounds.com/fund/ahpcrc) VC firm **1** round [Lifeforce Capital](https://millionrounds.com/fund/lifeforce-capital) VC firm **1** round [OSF Ventures](https://millionrounds.com/fund/osf-ventures) Corporate VC **1** round [Mike Levinthal](https://millionrounds.com/fund/mike-levinthal) VC firm **1** round [Orlando Health](https://millionrounds.com/fund/orlando-health-ventures) Corporate VC **1** round [Rick Magnuson](https://millionrounds.com/fund/rick-magnuson) Angel **1** round [Spectrum](https://millionrounds.com/fund/spectrum) VC firm **1** round [Summation Health Ventures](https://millionrounds.com/fund/summation-health-ventures) VC firm **1** round [Taube Investment Partners](https://millionrounds.com/fund/taube-investment-partners) VC firm **1** round Jay Watkins no record of our own yet **1** round Joe Mandato no record of our own yet **1** round LS Polaris no record of our own yet **1** round Memorial Hermann Health System no record of our own yet **1** round Mount Sinai no record of our own yet **1** round Northwell no record of our own yet **1** round Providence Healthcare no record of our own yet **1** round UNC/REX 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=gauss-surgical). ## Quick answers about Gauss Surgical ### Who invested in Gauss Surgical? Gauss Surgical's investors include Promus Ventures, SoftBank BB Corp, Stanford University, Lifeforce Capital and OSF Ventures, and 14 more on record. ### How much has Gauss Surgical raised? Gauss Surgical has raised $39M across 6 rounds since 2011. ### When did Gauss Surgical last raise? Gauss Surgical's most recent round was a Series C of $20M in Oct 2018. ### What was Gauss Surgical's biggest round? Its most recent round, $20M in Oct 2018, is also its largest on record. ### Who backed Gauss Surgical first? Gauss Surgical's first round on record, in Dec 2011, was backed by Promus Ventures, Stanford University and Mike Levinthal and 4 others. ### What stage is Gauss Surgical at? Gauss Surgical's latest named round is a Series C, in Oct 2018. ### Where is Gauss Surgical based? Gauss Surgical is based in the United States. ## Companies like Gauss Surgical 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