Hangzhou Proton Technology Co., Ltd.
PrivateLast Round
Series B
Aug 25, 2025
Est. Valuation
$20.7M
Company Overview
Hangzhou Proton Technology Co., Ltd. operates in Healthcare & Life Sciences and is based in Hangzhou. Its latest recorded funding round was a Series B round in August 2025.
Hangzhou Proton Technology Co., Ltd. is a medical technology company that develops medical-grade smart biosensors, wearable health monitoring devices, and comprehensive mobile health management solutions.
Sector
Healthcare & Life Sciences
Verticals
Medical Devices, Health IoT, Medical AI, Telemedicine, Sensors
Business Model
B2B
Customer Profile
Hardware Sales, Subscription SaaS
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Hangzhou Proton Technology Co., Ltd. Comparables
Compare Hangzhou Proton Technology Co., Ltd. with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Wellysis | 84% | |
| CardioCloud Medical Technology (Beijing) Co., Ltd. | 84% | |
| AliveCor | 84% |
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Hangzhou Proton Technology Co., Ltd. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Aug 25, 2025 | ||||
| Series A Extension | Sep 9, 2021 | ||||
| Pre Seed | Mar 1, 2018 | ||||
| Angel | Nov 1, 2016 |
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Hangzhou Proton Technology Co., Ltd. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| 帮实资本 | Pre Seed |
| CAS Star | Series B |
| Silicon Harbour Capital | Series A Extension |
| Zhejiang Pudu Technology | Pre Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 25, 2025
Raised $20.7M led by CAS Star.
- Sep 9, 2021
Silicon Harbour Capital led the Series A Extension round.
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Hangzhou Proton Technology Co., Ltd. Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Frequently Asked Questions
Common questions about Hangzhou Proton Technology Co., Ltd.'s valuation, stock price, and market status.
Is Hangzhou Proton Technology Co., Ltd. a public or private company?
Hangzhou Proton Technology Co., Ltd. is a private company.
What is the current stock price of Hangzhou Proton Technology Co., Ltd.?
Hangzhou Proton Technology Co., Ltd. is a private company, so its shares have no public market price. Caplight tracks Hangzhou Proton Technology Co., Ltd.'s secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Hangzhou Proton Technology Co., Ltd. worth (valuation)?
Hangzhou Proton Technology Co., Ltd.'s valuation is estimated at $20.7M based on funding round data.
Can I buy Hangzhou Proton Technology Co., Ltd. stock?
Hangzhou Proton Technology Co., Ltd. shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Hangzhou Proton Technology Co., Ltd.'s last funding round?
Hangzhou Proton Technology Co., Ltd.'s most recent funding round was Series B on August 25, 2025.
Who are the main investors in Hangzhou Proton Technology Co., Ltd.?
Key investors in Hangzhou Proton Technology Co., Ltd. include CAS Star, Silicon Harbour Capital.
Will Hangzhou Proton Technology Co., Ltd. IPO soon?
No public IPO plans have been announced for Hangzhou Proton Technology Co., Ltd..
How can I track Hangzhou Proton Technology Co., Ltd. secondary market activity?
Caplight tracks bids, offers, and trades in Hangzhou Proton Technology Co., Ltd.'s shares on secondary markets.