# CStone funding: rounds and investors > CStone has raised $410M across 2 rounds since 2016. Investors include Boyu Capital, Hill House Capital and Arch. Every round with its source. Source: https://millionrounds.com/company/cstone (Millionrounds; every figure on the page links to its filing or article) China · [Series B startup](https://millionrounds.com/companies) # Who invested in *CStone* 2 rounds we have observed, with the 15 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 **$410M** raised across 2 rounds since 2016, from 2 sources **$150M** Series A **$260M** Series B - **Latest round:** Series B, $260M May 2018 - **Step-up i:** 1.7× - **Investors:** 15 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. 2017 2018 **$150M** Series A **$260M** Series B - **First round:** Series A, $150M - **Biggest round:** $260M - **Between rounds:** 22 months ## The rounds - **May 2018** Series B **$260M** *13 new* *1 returning* [Hill House Capital](https://millionrounds.com/fund/hill-house-capital) [Arch](https://millionrounds.com/fund/arch) [Boyu Capital](https://millionrounds.com/fund/boyu-capital) [YunFeng Capital](https://millionrounds.com/fund/yunfeng-capital) [6 Dimensions Capital](https://millionrounds.com/fund/6-dimensions-capital) [3W Capital](https://millionrounds.com/fund/3w-capital) [Wuxi Capital](https://millionrounds.com/fund/wuxi-capital) [King Star](https://millionrounds.com/fund/king-star) [AVICT](https://millionrounds.com/fund/avict) CITIC PE GIC Private Limited/ Sequoia Oriza Seed Taikang Insurance Terra Mafnum Reported by FinSMEs - **Jul 2016** Series A **$150M** *2 new* [Boyu Capital](https://millionrounds.com/fund/boyu-capital) Oriza Seed Venture Capital Reported by FinSMEs ## 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** 2016 **Series B** 2018 [Boyu Capital](https://millionrounds.com/fund/boyu-capital) [Hill House Capital](https://millionrounds.com/fund/hill-house-capital) [Arch](https://millionrounds.com/fund/arch) [YunFeng Capital](https://millionrounds.com/fund/yunfeng-capital) [6 Dimensions Capital](https://millionrounds.com/fund/6-dimensions-capital) [3W Capital](https://millionrounds.com/fund/3w-capital) [Wuxi Capital](https://millionrounds.com/fund/wuxi-capital) [King Star](https://millionrounds.com/fund/king-star) [AVICT](https://millionrounds.com/fund/avict) CITIC PE ## Everyone who backed them [Boyu Capital](https://millionrounds.com/fund/boyu-capital) Private equity **2** rounds [Hill House Capital](https://millionrounds.com/fund/hill-house-capital) Family office **1** round [Arch](https://millionrounds.com/fund/arch) Hedge fund **1** round [YunFeng Capital](https://millionrounds.com/fund/yunfeng-capital) Private equity **1** round [6 Dimensions Capital](https://millionrounds.com/fund/6-dimensions-capital) VC firm **1** round [3W Capital](https://millionrounds.com/fund/3w-capital) Growth equity **1** round [Wuxi Capital](https://millionrounds.com/fund/wuxi-capital) Private equity **1** round [King Star](https://millionrounds.com/fund/king-star) Growth equity **1** round [AVICT](https://millionrounds.com/fund/avict) Investment firm **1** round CITIC PE no record of our own yet **1** round GIC Private Limited/ Sequoia no record of our own yet **1** round Oriza Seed no record of our own yet **1** round Oriza Seed Venture Capital no record of our own yet **1** round Taikang Insurance no record of our own yet **1** round Terra Mafnum 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=cstone). ## Quick answers about CStone ### Who invested in CStone? CStone's investors include Boyu Capital, Hill House Capital, Arch, YunFeng Capital and 6 Dimensions Capital, and 10 more on record. ### How much has CStone raised? CStone has raised $410M across 2 rounds since 2016. ### When did CStone last raise? CStone's most recent round was a Series B of $260M in May 2018. ### What was CStone's biggest round? Its most recent round, $260M in May 2018, is also its largest on record. ### Who backed CStone first? CStone's first round on record, in Jul 2016, was backed by Boyu Capital and Oriza Seed Venture Capital. ### What stage is CStone at? CStone's latest named round is a Series B, in May 2018. ### Where is CStone based? CStone is based in China. ## Companies like CStone In the same sector, and raised in the last eighteen months. [**Nutshell Therapeutics** $40M · Sept 2026](https://millionrounds.com/company/nutshell-therapeutics)[**RNAimmune** $4.5M · Aug 2026](https://millionrounds.com/company/rnaimmune)[**Gestala** $22M · Mar 2026](https://millionrounds.com/company/gestala)[**Adlai Nortye** $190M · Feb 2026](https://millionrounds.com/company/adlai-nortye)[**HitGen** $39M · Nov 2025](https://millionrounds.com/company/hitgen)[**Adagene** $83M · Jul 2025](https://millionrounds.com/company/adagene) ## 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