Gilmartin Capital

Gilmartin Capital is a venture capital investment firm founded in 2021 and based in San Francisco, California. The firm specializes in private investments within the healthcare sector, focusing on medical devices, life science tools, diagnostics, and digital health. Gilmartin Capital seeks to support companies that are innovating and advancing technology in these critical areas of healthcare, aiming to contribute to improvements in patient outcomes and overall health systems.

Jonathan Demchick

Co-Founder and Principal

David Lewis

Co-Founder and Managing Partner

8 past transactions

Shoulder Innovations

Series E in 2025
Shoulder Innovations designs and manufactures medical devices for shoulder replacement surgery, focusing on inset glenoid fixation technology to provide a stable glenoid platform and reliable fixation. Its product portfolio includes InSet Total Shoulder Arthroplasty, InSet Reverse Shoulder Arthroplasty, ProVoyance Shoulder Planning Software, and InSet Tray System, along with associated instrumentation. The company distributes its products through partners in the United States and aims to reduce operative time and overall healthcare costs while improving post-surgical implant stability. Founded in 2009, the company is based in Holland, Michigan.

Alleviant Medical

Venture Round in 2025
Alleviant Medical, Inc. is a medical device company headquartered in Austin, Texas, that specializes in developing innovative therapies for congestive heart failure. Founded in 2017, the company has created a proprietary transcatheter device that addresses the symptoms of heart failure by relieving pressure buildup in the left atrium of the heart. This minimally-invasive technology aims to improve the quality of life for patients and significantly reduce hospital admissions related to heart failure exacerbations, ultimately benefiting millions of Americans affected by this condition. Alleviant Medical is committed to transforming the treatment landscape for congestive heart failure through its advanced medical devices.

Kestra Medical Technologies

Private Equity Round in 2024
Kestra Medical Technologies, Inc. is a company that specializes in developing and manufacturing wearable medical devices aimed at monitoring and managing acute medical conditions. Founded in 2014 and headquartered in Kirkland, Washington, the company offers solutions that enable the collection, communication, and storage of patient performance data, facilitating both real-time and retrospective analysis. Among its key products are wearable cardioverter defibrillators designed to prevent sudden cardiac death and aid in the recovery of at-risk cardiac patients. By focusing on intuitive and mobile diagnostic and therapeutic technologies, Kestra Medical Technologies strives to enhance patient care and support healthcare teams in effectively managing patient health.

InSightec

Private Equity Round in 2024
InSightec Ltd. is a pioneering company based in Tirat Carmel, Israel, specializing in non-invasive medical treatments through its Exablate platform, which employs MR guided focused ultrasound technology. Founded in 1999, InSightec develops and distributes systems that address various oncology and gynecology conditions, including the Exablate Neuro for personalized thalamotomy in movement disorders and pain management. The Exablate system has received multiple regulatory approvals, including CE marks and FDA approval, for treatments of symptomatic uterine fibroids, pain from bone metastases, and adenomyosis. The company provides comprehensive support services, including onsite clinical training and maintenance, to medical professionals using its technology in facilities across Israel and internationally. InSightec maintains a strategic partnership with Lantheus Holdings and has expanded its presence in Europe, Asia, and the Americas, earning recognition for its innovative contributions to the field of acoustic surgery.

Shoulder Innovations

Series D in 2023
Shoulder Innovations designs and manufactures medical devices for shoulder replacement surgery, focusing on inset glenoid fixation technology to provide a stable glenoid platform and reliable fixation. Its product portfolio includes InSet Total Shoulder Arthroplasty, InSet Reverse Shoulder Arthroplasty, ProVoyance Shoulder Planning Software, and InSet Tray System, along with associated instrumentation. The company distributes its products through partners in the United States and aims to reduce operative time and overall healthcare costs while improving post-surgical implant stability. Founded in 2009, the company is based in Holland, Michigan.

Alleviant Medical

Venture Round in 2023
Alleviant Medical, Inc. is a medical device company headquartered in Austin, Texas, that specializes in developing innovative therapies for congestive heart failure. Founded in 2017, the company has created a proprietary transcatheter device that addresses the symptoms of heart failure by relieving pressure buildup in the left atrium of the heart. This minimally-invasive technology aims to improve the quality of life for patients and significantly reduce hospital admissions related to heart failure exacerbations, ultimately benefiting millions of Americans affected by this condition. Alleviant Medical is committed to transforming the treatment landscape for congestive heart failure through its advanced medical devices.

SetPoint Medical Corporation

Venture Round in 2023
SetPoint Medical Corporation is a clinical-stage medical device company developing implantable neuromodulation therapies to treat chronic inflammatory and autoimmune diseases. Its platform uses vagus nerve stimulation to activate the body's inflammatory reflex, aiming to produce a systemic immune-restorative effect and offer an alternative to drug therapy for conditions such as rheumatoid arthritis and inflammatory bowel disease. Based in Valencia, California.

Galvanize Therapeutics

Series B in 2022
Galvanize Therapeutics is a medical technology company specializing in energy-based devices aimed at improving biological processes for therapeutic applications. Founded in 2022 by Apple Tree Partners, the company focuses on developing innovative solutions to treat various medical conditions, including chronic bronchitis, cardiac arrhythmias, and solid tumors. Its platform employs short-duration, high-voltage electrical pulses to create electric fields that destabilize cells through multiple biochemical mechanisms. This technology enhances the ability of medical professionals to provide effective healthcare services, positioning Galvanize Therapeutics as a potential leader in delivering cutting-edge medical innovations.
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