Subtle Medical

Subtle Medical | Services: Vendor-neutral AI software for medical imaging enhancement across MRI, PET, and CT workflows — flagship SubtleHD (MR) and SubtlePET (FDA 510(k) cleared May 2024) reduce scan times up to 75-80%, plus SubtleGAD for contrast-enhanced MRI to reduce gadolinium doses up to 90%; deployed across 1,300+ scanners at Mount Sinai, RadNet, Radiology Partners, academic medical centers and health systems globally. Closed $33M Series C in June 2026 led by Morgan Stanley Expansion Capital (Shinhan Venture Investment, Fusion Fund, EnvisionX, BRV, Samsung Ventures participated) bringing total to $86M. | Leadership: Ohad Arazi (CEO, ex-CEO Change Healthcare, Zebra Medical Vision, Clarius Mobile Health); Enhao Gong, PhD (co-founder, now Chief Science Officer); Greg Zaharchuk, MD PhD (co-founder, Professor of Neuroradiology Stanford). | Keywords: Menlo Park CA, Stanford spinout, AI imaging, deep learning, Series C 2026, healthcare AI.