Zenflow
PrivateLast Round
Series D
Oct 5, 2026
Total Funding Raised
$141.6M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Zenflow operates in Healthcare & Life Sciences and is based in South San Francisco, California. Its latest recorded funding round was a Series D round in October 2026.
Zenflow is a medical device company that develops minimally invasive treatments for urinary obstruction caused by benign prostatic hyperplasia (BPH).
Sector
Healthcare & Life Sciences
Verticals
Medical Devices
Business Model
B2B
Customer Profile
Hardware Sales
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Zenflow Comparables
Compare Zenflow with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| ProVerum Medical | 88% | |
| Butterfly Medical | 87% | |
| Prodeon Medical | 87% |
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Zenflow Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series D | Oct 5, 2026 | ||||
| Series C | Nov 18, 2024 | ||||
| Series B | Jun 2, 2021 | ||||
| Debt | Nov 27, 2018 | ||||
| Series A | Feb 7, 2018 | ||||
Seed | Dec 31, 2017 |
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Key People
Founding team and executive leadership
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Zenflow Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| StartX | Seed |
| NIH RADx | Series A |
| F-Prime Capital | Series C, Series B, Series A |
| Astia Angels | Series B |
| ClavystBio | Series D |
| Cloudstone Capital | Series B |
| Medical Technology Venture Partners | Series C, Series B, Series D, Series A |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Oct 5, 2026
$52M round led by Cook Medical.
- Sep 12, 2026
Monthly visitors increased 32% MoM.
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Recent news
Latest coverage and updates
- receives_financingOct 5, 2026
Zenflow secured the $52M Series D financing on Oct 5th '26 in California, led by Cook Medical with participation from ClavystBio and existing investors, plus venture debt from HSBC Bank USA and Trinity Capital, to accelerate commercialization of the Zenflow Spring System.
- launchesSep 8, 2026
Zenflow begins U.S. commercialization of the Zenflow Spring(R) Implant and Delivery System with first commercial procedures for symptoms associated with BPH, including a first procedure at Avant Concierge Urology in Florida on Jul 29th '26; the FDA-approved system offers a minimally invasive, reversible treatment option.
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Zenflow Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Zenflow's valuation, stock price, and market status.
Is Zenflow a public or private company?
Zenflow is a private company.
What is the current stock price of Zenflow?
Zenflow is a private company, so its shares have no public market price. Caplight tracks Zenflow's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Zenflow worth (valuation)?
Valuation information for Zenflow is not publicly available.
Can I buy Zenflow stock?
Zenflow shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Zenflow's last funding round?
Zenflow's most recent funding round was Series D on October 5, 2026.
Who are the main investors in Zenflow?
Key investors in Zenflow include F-Prime Capital, Medical Technology Venture Partners, Invus Opportunities, F-Prime Capital.
Will Zenflow IPO soon?
No public IPO plans have been announced for Zenflow.
How can I track Zenflow secondary market activity?
Caplight tracks bids, offers, and trades in Zenflow's shares on secondary markets.