Rothschild Redburn initiated coverage on CoreWeave with a Sell rating on September 21. The analysis questions the long-term sustainability of the company's AI-focused business model and neocloud economics.

Analysts expect returns to face pressure as GPU-rental prices decline due to increasing market capacity. High financing costs for large-scale infrastructure build-outs present additional risks to the company's growth trajectory.

The report also highlights potential demand loss as hyperscalers develop internal capacity. This bearish stance provides a counterargument to the current market optimism surrounding AI computing shortages.