# Ajax Health funding: rounds and investors > Ajax Health has raised $320M across 4 rounds since 2018. Investors include HealthQuest Capital, Polaris Partners and Iconiq Capital. Source: https://millionrounds.com/company/ajax-health (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Ajax Health* 4 rounds we have observed, with the 7 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 **$320M** raised across 4 rounds since 2018, from 4 sources **$120M** Series B **$85M** Round **$15M** Series C **$100M** Round - **Latest round:** Round, $100M Sept 2019 - **Led by:** HealthQuest Capital - **Biggest round:** $120M Series B · Jul 2018 - **Step-up i:** 6.7× - **Investors:** 7 (1 led) 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. 2019 **$120M** Series B **$85M** Round **$15M** Series C **$100M** Round - **First round:** Series B, $120M - **Biggest round:** $120M - **Usual gap between rounds:** 4 months ## The rounds - **Sept 2019** Round **$100M** *2 returning* [HealthQuest Capital](https://millionrounds.com/fund/healthquest-capital) Lead [Polaris Partners](https://millionrounds.com/fund/polaris-partners) Reported by FinSMEs - **Jun 2019** Series C **$15M** *1 new* *2 returning* [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [IQ Capital](https://millionrounds.com/fund/iq-capital) [Iconiq Capital](https://millionrounds.com/fund/iconiq-capital-3) Source recorded - **Apr 2019** Round **$85M** *1 returning* [HealthQuest Capital](https://millionrounds.com/fund/healthquest-capital) Reported by FinSMEs - **Jul 2018** Series B **$120M** *6 new* [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Western Technology Investment](https://millionrounds.com/fund/wti) [Iconiq Capital](https://millionrounds.com/fund/iconiq-capital-3) [KKR](https://millionrounds.com/fund/kkr) [HealthQuest Capital](https://millionrounds.com/fund/healthquest-capital) Aisling Reported by Bioportfolio SEC filing: $125M sold, first sale Jul 2018 ## Founders and team From Ajax Health's own website and the SEC filings it signed: 15 on the team. - **Duke Rohlen** CEO & Managing Partner - **Bill Steiner** Chief Compliance Officer - **Giselle Campos** Head of Human Resources - **Neil Zimmerman** VP of Engineering - **Calvin Wei** Controller - **Caroline Ferner** Senior Associate - **Casey Dougan** Partner & SVP Operations - **Cason Kynes** Partner - **David Beylik** Partner - **Jocelyn Jackson** Partner & SVP Finance - **Kayla Heiny** Senior Associate - **Seattle Hickey** Analyst - **Shane Kreidel** Partner & SVP Legal - **Douglas Koo** Executive Officer i - **Douglas Rohlen** Executive Officer, Director i On the board, as filed i *James Momtazee* *Neel Varshney* ## 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 B** 2018 **Round** 2019 **Series C** 2019 **Round** 2019 [HealthQuest Capital](https://millionrounds.com/fund/healthquest-capital) L [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Iconiq Capital](https://millionrounds.com/fund/iconiq-capital-3) [Western Technology Investment](https://millionrounds.com/fund/wti) [IQ Capital](https://millionrounds.com/fund/iq-capital) [KKR](https://millionrounds.com/fund/kkr) Aisling ## Everyone who backed them [HealthQuest Capital](https://millionrounds.com/fund/healthquest-capital) Growth equity **3** rounds, led 1 [Polaris Partners](https://millionrounds.com/fund/polaris-partners) VC firm **3** rounds [Iconiq Capital](https://millionrounds.com/fund/iconiq-capital-3) Growth equity **2** rounds [Western Technology Investment](https://millionrounds.com/fund/wti) VC firm **1** round [IQ Capital](https://millionrounds.com/fund/iq-capital) VC firm **1** round [KKR](https://millionrounds.com/fund/kkr) VC firm **1** round Aisling 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=ajax-health). ## Also claim to have backed them This firm lists Ajax Health as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above. [Aisling Capital](https://millionrounds.com/fund/aisling-capital) Private equity Per its own site ## Quick answers about Ajax Health ### Who invested in Ajax Health? Ajax Health's investors include HealthQuest Capital, Polaris Partners, Iconiq Capital, Western Technology Investment and IQ Capital, and 2 more on record. HealthQuest Capital led its latest round. ### How much has Ajax Health raised? Ajax Health has raised $320M across 4 rounds since 2018. ### When did Ajax Health last raise? Ajax Health's most recent round was an Undisclosed round of $100M in Sept 2019, led by HealthQuest Capital. ### What was Ajax Health's biggest round? Ajax Health's largest round on record is $120M (Series B), in Jul 2018. ### Who backed Ajax Health first? Ajax Health's first round on record, in Jul 2018, was backed by Polaris Partners, Western Technology Investment and Iconiq Capital and 3 others. ### What stage is Ajax Health at? Ajax Health's latest named round is an Undisclosed round, in Sept 2019. ### Where is Ajax Health based? Ajax Health is based in the United States. ### Who led Ajax Health's rounds? HealthQuest Capital led the Undisclosed round in 2019. ## Companies like Ajax Health In the same sector, and raised in the last eighteen months. 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