Australian AI infrastructure startup Firmus reaches $5.5 billion valuation with $505 million funding round led by Coatue and Nvidia.

Firmus secured $505 million in fresh equity funding, with the round led by Coatue and including participation from Nvidia

The funding pushes Firmus' valuation to $5.5 billion as demand for AI data center infrastructure accelerates

This is Firmus' third equity raise in six months, bringing total capital raised during that period to $1.35 billion

The investment remains subject to closing conditions