Company

Promaxo

Rocket Ship Rating

Rocket Ship Rating: 97 out of 100

MRI-Guided Interventions Right Where You See Patients.

Also known as Promaxo Holdings, Inc.

Medical devices & diagnostics
Hardware

Status: Operatingas of 2026-09-17
Business model: B2B
Headquarters: Oakland, California, United States
Customers: private practices, ASCs, IDNs, and academic institutions
Legal name: Promaxo Holdings, Inc.

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Record updated 28 September 2026

About

The FDA 510(k) cleared Promaxo MRI platform delivers MRI-guided prostate transperineal biopsies and treatment at the clinical setting of choice.

Funding snapshot

Total raised: $87.7MSEC form D sum, as of 2026-09-28Source (opens in a new tab)
Latest round: Round, $26.8M2026-03-17

Funding rounds

Round, 2026: $26.8M2026-03-17, SEC form D sold, 118 investors
Round, 2024: $41.9M2024-03-25, SEC form D sold, 163 investors
Round, 2020: $4.2M2020-12-31, SEC form D sold, 4 investors
Round, 2020: $11M2020-05-15, SEC form D sold, 69 investors
Round, 2017: $3.8M2017-09-12, SEC form D sold, 10 investors

Products

Hardware: Promaxo MRI platform