Vertical Group

The Vertical Group is a private equity and venture capital firm established in 1988, with headquarters in Berkeley Heights, New Jersey, and an additional office in San Mateo, California. The firm specializes in providing growth capital and financing to early-stage and late-stage companies, particularly in the medical technology and biotechnology sectors. Its investment strategy includes buyouts, recapitalizations, and public investments, with typical investment amounts ranging from $0.25 million to over $10 million, and a preference for holding investments for ten years or longer. The Vertical Group is not limited by transaction type or company size, allowing for a flexible approach to its investment activities.

Tony M. Chou

General Partner

Jack W. Lasersohn

General Partner

John E. Runnells

General Partner

Past deals in Series F

MicroTransponder

Series F in 2025
MicroTransponder, Inc. is a medical device company based in Austin, Texas, specializing in the development and commercialization of neurostimulation devices aimed at treating various neurological diseases. Founded in 2007, the company focuses on therapies that utilize vagus nerve stimulation (VNS) to address conditions such as tinnitus, chronic pain, and rehabilitation for stroke survivors. Its notable products include the Serenity System, designed specifically for tinnitus treatment, and the Vivistim device, which is FDA approved for assisting ischemic stroke survivors with moderate to severe upper limb impairment. Through its innovative approaches, MicroTransponder aims to enhance recovery and improve the quality of life for individuals affected by these neurological conditions.

Route 92

Series F in 2024
Route 92 Medical, established in 2015 and headquartered in San Mateo, California, specializes in the development of innovative medical devices for stroke treatment. Their flagship product is a stealthy catheter designed for rapid and efficient removal of blood clots during acute ischemic stroke, aiming to improve patient outcomes and enhance recovery. Additionally, the company offers a rapid aspiration thrombectomy system and an intra-cerebral implant delivery system, further expanding their capabilities in stroke care.

Route 92

Series F in 2023
Route 92 Medical, established in 2015 and headquartered in San Mateo, California, specializes in the development of innovative medical devices for stroke treatment. Their flagship product is a stealthy catheter designed for rapid and efficient removal of blood clots during acute ischemic stroke, aiming to improve patient outcomes and enhance recovery. Additionally, the company offers a rapid aspiration thrombectomy system and an intra-cerebral implant delivery system, further expanding their capabilities in stroke care.

ProteinSimple

Series F in 2010
ProteinSimple is a prominent company within the Protein Platforms division of Bio-Techne, specializing in innovative solutions for protein analysis. The company develops a comprehensive range of tools designed to assist life science researchers in addressing complex protein analysis challenges, thereby facilitating insights into proteins and their roles in diseases. Its product offerings include advanced immunoassay systems for quantifying protein expression and sophisticated systems for assessing the structure and purity of protein-based therapeutics. Additionally, ProteinSimple provides nano-proteomic analysis systems that enable researchers to measure phospho-protein signaling and activation in small biological samples, allowing for the quantification of phospho-protein isoforms in various cell types. Through these capabilities, ProteinSimple supports critical research in understanding cellular processes and monitoring drug actions in diverse biological contexts.
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