S
Siren
Health Tech & Medtech · San Francisco, United States · Founded 2015
Developer of a diabetic foot monitoring system used to detect and treat diabetics MoreLess
Siren Care operates in the healthcare technology sector, specializing in remote patient monitoring solutions. The company’s core product is a smart sock that continuously monitors foot temperature, aimed at patients with neuropathy to prevent foot ulcers and other complications. Siren serves both patients and healthcare providers. Patients receive comfortable, temperature-monitoring socks shipped to their door every six months, along with access to web and mobile apps for real-time monitoring. Healthcare providers benefit from a remote monitoring platform that adheres to CMS guidelines, offering clinical population management tools and 24-hour support. Siren’s business model is subscription-based, generating revenue through the sale of its smart socks and associated monitoring services. The company targets a niche market of neuropathy patients and their healthcare providers, focusing on improving patient outcomes through early detection of foot injuries and inflammation.
Keywords: smart socks, neuropathy, foot ulcers, remote monitoring, healthcare technology, temperature monitoring, subscription model, patient outcomes, CMS guidelines, inflammation detection.
Company overview
Siren company information
The essential company record, classifications and operating signals in one place.
- Status
- Operational
- Founded
- 2015
- Headquarters
- San Francisco, United States
- Employees
- 28
- Open positions
- None listed
- Dealroom signal
- 78.3
Valuation & funding
Siren funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| LATE VC✓Equity / VC | Jan 2025 | $9.5M | $59M | Mölnlycke Health Care | ↗ |
| SERIES BEquity / VC | Aug 2021 | $9M | $36M | Mighty Capital · Manta Ray Ventures | ↗ |
| SERIES B✓Equity / VC | Sep 2020 | $9M | $59M | Khosla Ventures · Mighty Capital · Portfolia Funds · 500 Global | — |
| SERIES B✓Equity / VC | May 2020 | $12M | $47M | Founders Fund · DCM · Khosla Ventures · Aloft VC (Formerly Anathem Ventures) | ↗ |
| SERIES AEquity / VC | Nov 2018 | $6.5M | $26M | Khosla Ventures · DCM · Founders Fund · James Conigliaro | — |
| SEED✓Equity / VC | Mar 2018 | DCM · Khosla Ventures · Founders Fund · Leo Chan | — | ||
| SEED✓Equity / VC | Mar 2017 | Khosla Ventures · Plug and Play · Julie McDermott · A-Level Capital | — | ||
| ANGEL✓Equity / VC | Aug 2016 | 500 Global · Pascal Levy-Garboua · Bragiel Brothers | — | ||
| GRANT✓Other financing | Dec 2015 | Undisclosed | — | ||
| GRANT✓Other financing | May 2015 | Undisclosed | — |
Financials
Workforce over time
Available workforce history. Financial fields without reported data are omitted.
| Year | Employees |
|---|---|
| 2026 | 28 |
| 2025 | 25 |
| 2024 | 25 |
| 2023 | 19 |
| 2022 | 22 |
| 2021 | 23 |
| 2020 | 26 |
Growth signals
Siren website traffic
Latest recorded traffic for Siren is 7.2K monthly website visits, down 19.1% over the last three months. Siren's team grew 12% over the past year.
Comparisons
Siren compared with similar companies
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Talent graph
Siren's talent
Source: Dealroom Talent Intelligence.
Investors
30 investors on Siren's cap table
Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.
Global footprint
Where Siren has talent and traffic
team presence
In the news
Latest news about Siren
Recent press, funding announcements, and product moves mentioning Siren — open to read from the original sources.
Market sentiment
What the market is saying about Siren
An AI-synthesized read of the highest-engagement posts about Siren on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
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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