Nephros

Nephros

NEPH
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Private Company

Total funding raised: $37M

Market Cap: $36.3MFounded: 1997HQ: South Orange, United States

Overview

Nephros is a mission-driven company focused on providing leading technology and resources to advance water quality and safety. Founded with deep roots in the demanding hemodialysis market, it has successfully expanded its proprietary filtration platform to serve broader healthcare infection control and commercial water treatment needs. The company's strategy combines a solutions-based business model with educational resources, positioning it to address growing regulatory and public health concerns over waterborne contaminants.

Infectious DiseaseRenal Disease

Technology Platform

Proprietary hollow-fiber membrane microfiltration/ultrafiltration technology, originally developed for hemodialysis and FDA-cleared for removing bacteria, endotoxins, and other microbial contaminants from water.

Funding History

2
Total raised:$37M
Series B$25M
Series A$12M

Opportunities

Significant growth is driven by regulatory mandates for water management in healthcare (e.g., CMS requirements for Legionella control) and increasing public concern over contaminants like PFAS in commercial settings.
The company's integrated service model and FDA-cleared technology position it to capture share in both markets.

Risk Factors

Key risks include intense competition in the fragmented water treatment market, execution challenges in scaling the commercial business, and financial constraints inherent to its micro-cap status, which could limit growth initiatives and make the stock volatile.

Competitive Landscape

Faces competition from large medical device firms (e.g., 3M/Pall) in healthcare and major water treatment companies (e.g., Ecolab, Culligan) in commercial markets. Nephros differentiates through its FDA clearances, dialysis-proven technology, and nimble, service-oriented customer support.

Company Timeline

1997Founded

Founded in South Orange, United States

2020Series A

Series A: $12.0M

2022Series B

Series B: $25.0M