Longitude Capital

VC Menlo Park, United States · Founded 2006

Longitude Capital focuses on venture growth investments in biotechnology, medical technology, and health solutions companies. The firm targets clinical-stage and commercial-stage opportunities with clinically de-risked assets to improve clinical outcomes, enhance patient quality of life, and drive healthcare delivery efficiency.

About Longitude Capital

Longitude Capital is an established healthcare-dedicated venture firm investing across biotechnology and medical technology, with offices on both coasts and a long track record of leading later-stage venture rounds in regulated health categories. Stage focus is typically late Series A through Series C, with checks ranging into the high single-digit and low double-digit millions and the depth to lead and reserve aggressively. Healthcare exposure is the firm’s only exposure: therapeutics, novel modalities, medical devices with clear regulatory paths, diagnostics, and selectively digital health platforms that deliver clinical outcomes and reimbursable economics. Physician founders should approach when they have a defined regulatory plan, clean clinical data, and a credible commercial thesis. Pure software plays, consumer wellness brands, and seed-stage pre-data biotechs are not the right shape. Geographic posture is US-anchored with international deal capacity. The realistic entry path is warm introduction from a co-investing healthcare specialist, a banking advisor, or a senior clinician on the firm’s network; the partners are accessible at JPM, BIO, and the major device conferences but expect founders to be referred. Founders should arrive with KOL support, a defended IP position, and an articulated reimbursement plan. Treat Longitude as a serious institutional partner for capital-intensive healthcare companies preparing for pivotal studies or commercial launches, not as a generalist option.

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Healthcare AI tools backed by Longitude Capital

Tools made by companies in Longitude Capital's portfolio that we cover in the directory.

Ceribell Delirium Monitor System
Ceribell
Neurology AI
The Ceribell Delirium Monitor System is an AI-powered, point-of-care EEG platform for rapid diagnosis and continuous monitoring of delirium and seizures in acute care settings.
Ceribell Status Epilepticus Monitor
Ceribell
Neurology AI
Ceribell offers a novel, point-of-care EEG system with AI-powered algorithms for rapid diagnosis and continuous monitoring of serious neurological conditions like status epilepticus, delirium, and suspected LVO stroke in acute care settings.
ASSURE Wearable ECG
Kestra Medical Technologies
Cardiology AI
Kestra Medical Technologies offers the ASSURE Wearable ECG, a non-therapeutic device for continuous heart rate monitoring and data collection, integrated into their digital healthcare platform for at-risk cardiac patients.

Portfolio companies in our directory

Other portfolio companies

Companies in Longitude Capital's portfolio not currently in our directory.

Team

Juliet Tammenoms Bakker
Co-Founder and Managing Director
Patrick Enright
Co-Founder and Managing Director
Marc Galletti
Co-Founder and Managing Director
Gregory Grunberg, M.D.
Managing Director
Sandip K. Agarwala
Managing Director
Carolyn Helms
Managing Director and Chief Financial Officer

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Last updated 2026-05-06. Sourced from this fund's published materials.
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