Exclusive: Positron raises $230M Series B to take on Nvidia’s AI chips

February 4, 2026 Rebecca Bellan

The investment comes from backers including the Qatar Investment Authority as demand for chips beyond Nvidia soars and as Qatar aims to build out its AI infrastructure.

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Epstein-linked longevity guru Peter Attia leaves David Protein, and his own startup ‘won’t comment’
Epstein-linked longevity guru Peter Attia leaves David Protein, and his own startup ‘won’t comment’

Attia co-founded longevity medical testing startup Biograph, which came out of stealth a year ago.