Nvidia's AI Infrastructure Funding Hits $500 Billion as Debt Concerns Rise

Nvidia, the chipmaker at the center of the AI gold rush, is working with private equity and investment firms to secure over $500 billion in outside funding for AI infrastructure. The financing includes partners such as Apollo, Blackstone, BlackRock, Brookfield, KKR, and Goldman Sachs.

The companies are using joint ventures and leasing deals to finance their building sprees, which lets them avoid putting the full debt on their balance sheets right away. According to PIMCO's Lotfi Karoui, the AI capital spending cycle could be the largest since 19th-century railway construction, adjusted for inflation.

The AI boom needs physical infrastructure - data centers, power lines, and cooling systems - which costs real money. The companies are taking on significant debt to finance this expansion, with about $1 trillion of the $1.5 trillion being 'uncommenced' leases that haven't shown up in financial statements yet.

Experts are warning that the debt is hiding in plain sight and may not be fully reflected in the companies' balance sheets. Citigroup CEO Jamie Dimon told CNBC that margin debt - money investors borrow to buy stocks - is 'pretty high,' a notable warning from one of Wall Street's most respected voices.