Promaxo

Oakland, CA · Founded 2016 · Privately Held (backing)

Developer of a portable magnetic resonance imaging (MRI) system designed for improving prostate cancer diagnosis and treatment. Promaxo is based in Oakland, CA and was founded in 2016. Its last reported valuation was $104 million in Jan 2021. It has raised $108 million across 3 recorded rounds; the latest was a $41.9 million early-stage round in Mar 2024.

Last reported valuation
$104.2M
Oct 2026
Priced at
—
Total raised
$107.7M
Last round
Early Stage VC
Mar 2024

Who backs Promaxo?

24 investors
InvestorType
US National Science FoundationOther
MedTech InnovatorOther
Keiretsu ForumOther
TEDCOVenture capital
Band of AngelsAngel
Spark Growth VenturesVenture capital
Som TechFamily office
Aljit Joy—
Almond Tree Capital—
Angel Physicians Fund—
+ 14 more investors · a free account shows the complete list
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Promaxo investors

24 investors are on record for Promaxo, including US National Science Foundation, MedTech Innovator, Keiretsu Forum and TEDCO. The early-stage round in Mar 2024 drew 163 investors.

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