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Promaxo closes Series C financing with New Science Ventures and Amara Ventures, plus $100M credit facility to expand manufacturing and support regulatory filings.

PRIVATEOct 22, 2026

Amount Raised

$100 Million

Round Type

Series C

OaklandBiotechnologySoftwareHealth Care

Investors

Amara VenturesNew Science Ventures

Description

Promaxo Holdings, Inc announced the initial close of its Series C financing round with participation from New Science Ventures and Amara Ventures, alongside a $100M credit facility. The capital will support expanded manufacturing capacity, backlog reduction, and new regulatory filings for Promaxo's minimally-invasive prostate-biopsy platform. The company's portable MRI system is the first in the US to receive FDA 510(k) clearance for prostate biopsy and treatment. Promaxo is pursuing additional FDA clearance for its robotic platform and AI-based cancer risk-scoring tool.

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Company Information

Company

Promaxo

Location

70 WASHINGTON ST, STE 407

Oakland, California, United States

About

With a compact and adaptable MRI, Promaxo is redefining the standard of care by improving the quality and speed of patient diagnosis and interventions. In March 2021, the company received 510(k) clearance from the U.S. FDA for its revolutionary office-based MRI system, allowing practices and hospitals to seamlessly guide prostate interventions under the single-sided scanner.

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