Portfolio manager at Janus Henderson with Nvidia as a top holding; focuses on AI ecosystem sustainability, circular financing dynamics, and hyperscaler capex efficiency.
no scored calls yet — needs a stated position or a categorical verdict, with a matured window vs SPY
Porter argues Nvidia's free cash flow ($97B, $206B next year) enables it to underwrite AI infrastructure growth where credit markets cannot, and the key metric is ecosystem growth beyond GPU orders to justify valuation multiple.
Nvidia remains a top holding because developing the software/platform ecosystem enhances not just earnings but the valuation multiple, as the market has not yet bought into sustainability of the AI compute franchise.
Amazon must show AWS margin progression and ability to orchestrate AI infrastructure costs, following Alphabet's margin enhancement, as market demands revenue growth exceed capex growth — not expected until 2028.