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Stonewise

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Developing AI-based, intelligent drug research and development platform

Haidian, ChinaFounded 2018Health Tech & Medtech
Valuation $100–500M Latest valuation · 2021
Revenue $1–10M Latest reported FY
Headcount <100 Current team size
Total funding $100–500M Disclosed equity funding
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About Stonewise

Stonewise, registered as Beijing Stonewise Technology Co. Ltd., is a technology company founded in 2018 by Jielong Zhou, who serves as the CEO. Mr. Zhou, a former senior architect at Baidu with a master's degree in artificial intelligence, leads the company in applying AI to accelerate drug discovery. The firm operates in the pharmaceutical technology sector, aiming to address the high costs and long development cycles inherent in drug R&D.

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The company's core offering is an AI-driven drug discovery platform, StoneMIND®, which serves pharmaceutical companies and research institutions. This platform functions as a unified SaaS solution, providing tools for information extraction, knowledge mining, and molecular design. The business model centers on providing these integrated solutions to enhance the efficiency and success rate of early-stage drug discovery for its clients. By integrating AI with computational chemistry, pharmacology, and molecular dynamics, Stonewise aims to make drug development more time-efficient and cost-effective.

The StoneMIND® platform has several key features. Its information extraction system can pull chemical structures from documents and images, allowing researchers to build their own chemical information databases quickly. The Knowledge Discovery in Database (KDD) system facilitates data annotation and analytics for collaborative knowledge sharing. A central component is the molecular design system, which uses multi-layer models to design and optimize molecules based on ligands, receptors, and fragments, supported by a massive database. This system includes capabilities for ultra-high-throughput virtual screening, deep learning-driven scaffold hopping, and predictions for bioactivity and ADMET (absorption, distribution, metabolism, excretion, and toxicity).

Since its inception, Stonewise has achieved significant financial milestones, completing four rounds of financing in 2020 alone. In 2021, the company announced the completion of its Series B and B+ financing rounds, raising a total of $100 million. These funds are intended for talent acquisition and further development of its AI platform. Key investors include Legend Capital, Lightspeed China, Greater Bay Area Community Development Fund, Hillhouse Ventures, and SIG, among others. Keywords: AI drug discovery, small molecule drugs, computational chemistry, pharmaceutical technology, molecular design, drug R&D, StoneMIND, Jielong Zhou, virtual screening, ADMET prediction, knowledge graph, lead optimization, preclinical candidate compounds, scaffold hopping, drug design platform, computational biology, pharmacology, venture capital, Beijing, China

Source: Dealroom company data

At a glance

Status
Operational
Founded
2018
Headquarters
Haidian, China
Employees
13
Open positions
None listed
Dealroom signal
42.0/100
Industry
Health
Sub-industry
Health Platform
Sector
Health Tech & Medtech, Drug Development, Core AI, Tech for Biotech and Pharma, AI Drug Discovery, Hard Tech, AI Applications, DT and LS, science-based
Technology
Artificial Intelligence, Deep Tech
Business model
SaaS
Client focus
b2b

Latest news

Press, funding announcements and product moves mentioning Stonewise.

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Funding history

4 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES BOther financing Apr 2021 $100M $400M SIG China · Linear Capital · Eastern Bell Venture Capital · Long Hill Capital
SERIES AOther financing Dec 2020 $20M $80M Undisclosed
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Financials

Revenue over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

YearRevenueGrowth
2026
2025
2024
2023
2022
2021
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Growth signals

Stonewise website traffic

Latest recorded traffic for Stonewise is 130 monthly website visits, down 31.6% over the last three months. Stonewise's team declined 7.1% over the past year.

Latest monthly visits130 3-month web change-31.6% 1-year team growth-7.1%
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Similar companies

Closest operating peers by Dealroom taxonomy

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Investors

9 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed1 investor entered at this stage

  • SIG China

Series A8 investors entered at this stage

Team profiled 1 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators Hidden — book a demo quality score
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
1 countries with
team presence
🇨🇳 China100%
1 country shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Stonewise on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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