# Eargo funding: rounds and investors > Eargo has raised $140M across 4 rounds since 2015. Investors include Maveron, Crosslink Capital and New Enterprise Associates. Every round with its source. Source: https://millionrounds.com/company/eargo (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Eargo* 4 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 **$140M** raised across 4 rounds since 2015, from 4 sources **$14M** Series A **$45M** Series C **$52M** Series D **$29M** Round - **Latest round:** Round, $29M Nov 2022 - **Biggest round:** $52M Series D · Mar 2019 - **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. 2015 2016 2017 2018 2019 2020 2021 2022 **$14M** Series A **$45M** Series C **$52M** Series D **$29M** Round - **First round:** Series A, $14M - **Biggest round:** $52M - **Usual gap between rounds:** 2.3 years ## The rounds - **Nov 2022** Round **$29M** *3 new* *2 returning* [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) [Crosslink Capital](https://millionrounds.com/fund/crosslink-capital) [Maveron](https://millionrounds.com/fund/maveron) [Longitude Capital](https://millionrounds.com/fund/longitude-capital) [Peterson Ventures](https://millionrounds.com/fund/peterson-ventures) Source recorded - **Mar 2019** Series D **$52M** *4 new* *1 returning* [Maveron](https://millionrounds.com/fund/maveron) [Future Fund](https://millionrounds.com/fund/future-fund) [Nan Fung Life Sciences](https://millionrounds.com/fund/nan-fung-life-sciences) Helen Schwab Foundation NEA/ Charles Reported by FinSMEs SEC filing: $51M sold, first sale Dec 2018 - **Oct 2017** Series C **$45M** *3 new* *1 returning* [Maveron](https://millionrounds.com/fund/maveron) [Charles](https://millionrounds.com/fund/charles) Helen Schwab Nan Fung Life Sciences/ NEA Reported by FinSMEs SEC filing: $32M sold, first sale Oct 2017 - **Jun 2015** Series A **$14M** *9 new* [Crosslink Capital](https://millionrounds.com/fund/crosslink-capital) [Maveron](https://millionrounds.com/fund/maveron) [Montage Ventures](https://millionrounds.com/fund/montage-ventures) [Birchmere Ventures](https://millionrounds.com/fund/birchmere-ventures) [Red Sea Ventures](https://millionrounds.com/fund/red-sea-ventures) [Farzad (Zod) Nazem](https://millionrounds.com/fund/farzad-zod-nazem) [Peterson Partners](https://millionrounds.com/fund/peterson-partners) [Dolby Family Ventures](https://millionrounds.com/fund/dolby-family-ventures) [Pierre Lamond](https://millionrounds.com/fund/pierre-lamond) From a historical funding record ## Founders and team From the SEC filings it signed: 3 on the team. - **Adam Laponis** Executive Officer i - **Christian Gormsen** Executive Officer, Director i - **William Brownie** Executive Officer i On the board, as filed i *David Wu* *Geoff Pardo* *Josh Makower* *Juliet Bakker* *Peter Biisgard* *Tak Cheung* ## 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. **Series A** 2015 **Series C** 2017 **Series D** 2019 **Round** 2022 [Maveron](https://millionrounds.com/fund/maveron) [Crosslink Capital](https://millionrounds.com/fund/crosslink-capital) [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) [Longitude Capital](https://millionrounds.com/fund/longitude-capital) [Montage Ventures](https://millionrounds.com/fund/montage-ventures) [Peterson Ventures](https://millionrounds.com/fund/peterson-ventures) [Birchmere Ventures](https://millionrounds.com/fund/birchmere-ventures) [Red Sea Ventures](https://millionrounds.com/fund/red-sea-ventures) [Farzad (Zod) Nazem](https://millionrounds.com/fund/farzad-zod-nazem) [Peterson Partners](https://millionrounds.com/fund/peterson-partners) ## Everyone who backed them [Maveron](https://millionrounds.com/fund/maveron) VC firm **4** rounds [Crosslink Capital](https://millionrounds.com/fund/crosslink-capital) VC firm **2** rounds [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) VC firm **1** round [Longitude Capital](https://millionrounds.com/fund/longitude-capital) VC firm **1** round [Montage Ventures](https://millionrounds.com/fund/montage-ventures) VC firm **1** round [Peterson Ventures](https://millionrounds.com/fund/peterson-ventures) VC firm **1** round [Birchmere Ventures](https://millionrounds.com/fund/birchmere-ventures) VC firm **1** round [Red Sea Ventures](https://millionrounds.com/fund/red-sea-ventures) VC firm **1** round [Farzad (Zod) Nazem](https://millionrounds.com/fund/farzad-zod-nazem) VC firm **1** round [Peterson Partners](https://millionrounds.com/fund/peterson-partners) Private equity **1** round [Dolby Family Ventures](https://millionrounds.com/fund/dolby-family-ventures) VC firm **1** round [Future Fund](https://millionrounds.com/fund/future-fund) Growth equity **1** round [Pierre Lamond](https://millionrounds.com/fund/pierre-lamond) Angel **1** round [Nan Fung Life Sciences](https://millionrounds.com/fund/nan-fung-life-sciences) Growth equity **1** round [Charles](https://millionrounds.com/fund/charles) Company **1** round Helen Schwab no record of our own yet **1** round Helen Schwab Foundation no record of our own yet **1** round Nan Fung Life Sciences/ NEA no record of our own yet **1** round NEA/ Charles 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=eargo). ## Quick answers about Eargo ### Who invested in Eargo? Eargo's investors include Maveron, Crosslink Capital, New Enterprise Associates, Longitude Capital and Montage Ventures, and 14 more on record. ### How much has Eargo raised? Eargo has raised $140M across 4 rounds since 2015. ### When did Eargo last raise? Eargo's most recent round was an Undisclosed round of $29M in Nov 2022. ### What was Eargo's biggest round? Eargo's largest round on record is $52M (Series D), in Mar 2019. ### Who backed Eargo first? Eargo's first round on record, in Jun 2015, was backed by Crosslink Capital, Maveron and Montage Ventures and 6 others. ### What stage is Eargo at? Eargo's latest named round is an Undisclosed round, in Nov 2022. ### Where is Eargo based? Eargo is based in the United States. ## Companies like Eargo 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