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§ Private Profile · San Francisco, CA, USA
Noctrix Health is a technology company.
Noctrix Health, Inc. is made up of a team of medical and industry experts pursuing a common goal: helping people with chronic conditions live better lives through clinically-proven alternatives to pharmaceuticals.
Noctrix Health has raised $124.5M across 4 funding rounds.
Noctrix Health has raised $124.5M in total across 4 funding rounds.
Noctrix Health has raised $124.5M in total across 4 funding rounds.
Noctrix Health's investors include BlueCross BlueShield Venture Partners, Sandbox Clinical Ventures, OrbiMed, Sandbox Industries, Michael Sjostrom, Angelini Ventures, Asahi Kasei, Evan Caplan, ResMed, Tracy Pappas, Andera Partners.
Noctrix Health has raised $124.5M across 4 funding rounds. Most recently, it raised $33.5M Other Equity in September 2025.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Sep 2, 2025 | $33.5M Venture Round | — | Bluecross Blueshield Venture Partners, Sandbox Clinical Ventures | Announced |
| Aug 1, 2025 | $34M Series U | — | OrbiMed, Sandbox Industries | Announced |
| Jan 16, 2024 | $40M Series C | Michael Sjostrom | Angelini Ventures, Asahi Kasei, Evan Caplan, Resmed, Tracy Pappas | Announced |
| Jan 1, 2021 | $17M Series B | — | Andera Partners, OrbiMed | Announced |
Noctrix Health, Inc. is a medical technology company developing wearable therapeutics using a neurostimulation platform to treat chronic neurological conditions, starting with Restless Legs Syndrome (RLS), the second-largest sleep disorder affecting over 10% of US adults.[1][2][3] The company builds prescription-grade, non-pharmaceutical devices that deliver neuromodulation therapy via wearables, targeting patients experiencing painful tingling and an irresistible urge to move their legs, especially at night, as an alternative to dopaminergic drugs.[1][2][3] It serves RLS patients seeking better sleep and symptom relief, solving the unmet need for safe, effective non-drug options backed by clinical evidence; the FDA granted its therapy Breakthrough Device Designation to speed development and launch.[3] Growth momentum includes incorporation in 2018, a $17M Series B financing in 2021 led by OrbiMed and Treo Ventures, and ongoing clinical trials.[2][3]
Noctrix Health emerged from Stanford University’s Biodesign Innovation Program, where founder Shri Raghunathan, a Purdue- and Stanford-trained engineer expert in neuromodulation and medical devices, identified the critical gap in RLS treatments.[2][3] He partnered with Jonathan Charlesworth, a Princeton- and UCSF-trained neuroscientist focused on evidence-based neurotech solutions.[2] The company incorporated in 2018 with a mission to popularize wearable therapeutics for millions of RLS patients.[2][3] Early traction came from building a team blending medical device veterans, neuroscientists, and consumer electronics engineers, securing global angel and venture backing, and advancing toward FDA milestones.[1][2][3]
Noctrix Health rides the neuromodulation and wearable therapeutics wave, shifting chronic disease management from pills to targeted, non-invasive devices amid rising demand for drug-free options in neurology and sleep disorders.[1][3] Timing aligns with FDA's push for breakthrough innovations and growing RLS awareness (impacting millions globally), fueled by market forces like aging populations, sleep health prioritization post-pandemic, and neuromodulation's expansion beyond Parkinson's to everyday conditions.[2][3] It influences the ecosystem by pioneering scalable wearables, potentially expanding its platform to other neurological issues, validating neurotech for consumer-like adoption, and attracting venture capital to medtech startups.[1][3]
Noctrix Health is poised for commercialization of its RLS device post-FDA breakthrough status, with Series B funds fueling trials, regulatory clearance, and market entry to capture a slice of the massive RLS market.[3] Trends like AI-enhanced neuromodulation, personalized wearables, and non-opioid therapies will propel growth, possibly leading to platform expansions for other sleep or chronic conditions.[1][2] Its influence could evolve from RLS pioneer to broader neurotherapeutics leader, humanizing medtech by blending consumer UX with clinical rigor—echoing its origins in spotting an overlooked patient need at Stanford.[2][3]