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Onkos Surgical is a technology company.
Onkos Surgical provides personalized orthopedic oncology solutions via a digital platform for complex musculoskeletal tumor resection and reconstruction. They offer patient-matched pre-operative planning, 3D visualization, and customized implants, including ELEOS Limb Salvage System. This portfolio addresses surgical demands for sarcoma and rare bone cancers, enhancing precision and patient outcomes.
Founded in 2015 by Antony Koblish and Patrick Treacy, Onkos Surgical arose from insight: patients with rare musculoskeletal cancers lacked personalized treatment. Identifying critical need for specialized surgical solutions, they innovated patient-specific tools for complex orthopedic oncology.
Orthopedic oncologists and patients with severe bone and soft tissue tumors are Onkos Surgical’s core users. The company aims to improve patient lives through unparalleled precision and customization. Their vision centers on advancing orthopedic oncology care, pursuing enhanced personalization, simplifying complexities of these conditions.
Onkos Surgical has raised $75.6M across 4 funding rounds.
Onkos Surgical has raised $75.6M in total across 4 funding rounds.
Onkos Surgical has raised $75.6M in total across 4 funding rounds.
Onkos Surgical's investors include Horizon Technology Finance, Canaan Partners, Domain Associates.
Onkos Surgical is a medical-technology company that develops precision orthopaedic implants, surgical planning software, and antibacterial implant coatings—focused primarily on limb salvage and other complex musculoskeletal oncology and reconstruction cases. [2][5]
High-Level Overview
Origin Story
Core Differentiators
Role in the Broader Tech / MedTech Landscape
Quick Take & Future Outlook
Onkos Surgical has raised $75.6M across 4 funding rounds. Most recently, it raised $35.0M Debt in January 2025.
| Date | Round | Lead Investors | Other Investors |
|---|---|---|---|
| Jan 8, 2025 | $35.0M Debt | Horizon Technology Finance | |
| Sep 1, 2021 | $15.0M Series C | ||
| Apr 30, 2020 | $7.6M Other Equity | ||
| Apr 1, 2017 | $18.0M Series B | Canaan Partners | Domain Associates |