# Welkin Health funding: rounds and investors > Welkin Health has raised $28M across 4 rounds since 2014. Investors include Thrive Capital, Rock Health and Altos Ventures. Every round with its source. Source: https://millionrounds.com/company/welkin-health (Millionrounds; every figure on the page links to its filing or article) United States · [Series B startup](https://millionrounds.com/companies) # Who invested in *Welkin Health* 4 rounds we have observed, with the 10 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 **$28M** raised across 4 rounds since 2014, from 4 sources **$2.0M** Seed **$8.0M** Series A **$18M** Series B - **Latest round:** Series B, $18M May 2019 - **Led by:** Altos Ventures - **Step-up i:** 2.2× - **Investors:** 10 (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. 2015 2016 2017 2018 2019 **?** Seed **$2.0M** Seed **$8.0M** Series A **$18M** Series B - **First round:** Seed - **Biggest round:** $18M - **Usual gap between rounds:** 19 months ## The rounds - **May 2019** Series B **$18M** *4 new* *1 returning* [Altos Ventures](https://millionrounds.com/fund/altos-ventures) Lead [SV Angel](https://millionrounds.com/fund/sv-angel) [Thrive Capital](https://millionrounds.com/fund/thrive-capital-2) [Red Swan Ventures](https://millionrounds.com/fund/red-swan-ventures) Asset Management Reported by FinSMEs - **Nov 2017** Series A **$8.0M** *1 new* [Thrive Capital](https://millionrounds.com/fund/thrive-capital-2) Reported by FinSMEs - **Jul 2015** Seed **$2.0M** *4 new* *1 returning* [Great Oaks Venture Capital](https://millionrounds.com/fund/great-oaks-venture-capital) [Rock Health](https://millionrounds.com/fund/rock-health) [Asset Management Ventures](https://millionrounds.com/fund/asset-management-ventures) [iSeed Ventures](https://millionrounds.com/fund/iseed-ventures-llc) [iKang Healthcare Group](https://millionrounds.com/fund/ikang-healthcare-group) From a historical funding record - **Aug 2014** Seed **Amount undisclosed** *1 new* [Rock Health](https://millionrounds.com/fund/rock-health) From a historical funding record ## 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** 2014 **Seed** 2015 **Series A** 2017 **Series B** 2019 [Thrive Capital](https://millionrounds.com/fund/thrive-capital-2) [Rock Health](https://millionrounds.com/fund/rock-health) [Altos Ventures](https://millionrounds.com/fund/altos-ventures) L [SV Angel](https://millionrounds.com/fund/sv-angel) [Great Oaks Venture Capital](https://millionrounds.com/fund/great-oaks-venture-capital) [Asset Management Ventures](https://millionrounds.com/fund/asset-management-ventures) [Red Swan Ventures](https://millionrounds.com/fund/red-swan-ventures) [iSeed Ventures](https://millionrounds.com/fund/iseed-ventures-llc) [iKang Healthcare Group](https://millionrounds.com/fund/ikang-healthcare-group) Asset Management ## Everyone who backed them [Thrive Capital](https://millionrounds.com/fund/thrive-capital-2) Family office **2** rounds [Rock Health](https://millionrounds.com/fund/rock-health) VC firm **2** rounds [Altos Ventures](https://millionrounds.com/fund/altos-ventures) VC firm **1** round, led 1 [SV Angel](https://millionrounds.com/fund/sv-angel) VC firm **1** round [Great Oaks Venture Capital](https://millionrounds.com/fund/great-oaks-venture-capital) VC firm **1** round [Asset Management Ventures](https://millionrounds.com/fund/asset-management-ventures) VC firm **1** round [Red Swan Ventures](https://millionrounds.com/fund/red-swan-ventures) VC firm **1** round [iSeed Ventures](https://millionrounds.com/fund/iseed-ventures-llc) VC firm **1** round [iKang Healthcare Group](https://millionrounds.com/fund/ikang-healthcare-group) Corporate VC **1** round Asset Management 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=welkin-health). ## Quick answers about Welkin Health ### Who invested in Welkin Health? Welkin Health's investors include Thrive Capital, Rock Health, Altos Ventures, SV Angel and Great Oaks Venture Capital, and 5 more on record. Altos Ventures led its latest round. ### How much has Welkin Health raised? Welkin Health has raised $28M across 4 rounds since 2014. One round did not disclose an amount, so the total is a floor. ### When did Welkin Health last raise? Welkin Health's most recent round was a Series B of $18M in May 2019, led by Altos Ventures. ### What was Welkin Health's biggest round? Its most recent round, $18M in May 2019, is also its largest on record. ### Who backed Welkin Health first? Welkin Health's first round on record, in Aug 2014, was backed by Rock Health. ### What stage is Welkin Health at? Welkin Health's latest named round is a Series B, in May 2019. ### Where is Welkin Health based? Welkin Health is based in the United States. ### Who led Welkin Health's rounds? Altos Ventures led the Series B in 2019. ## Companies like Welkin Health 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