Four US hyperscalers burned $95B cash in Q2 - the AI capex machine has a debt problem

Amazon, Microsoft, Google, and Meta collectively spent ~$95 billion net cash in Q2 2026 on AI infrastructure. The market is already sorting winners from the rest - and debt service will be the final arbiter.

In plain terms: The four biggest US hyperscalers collectively spent roughly $95 billion net cash in Q2 2026 on AI infrastructure. That's not revenue - it's cash out the door, increasingly financed by debt issuance, not free cash flow.

The fact

Amazon, Microsoft, Google, and Meta collectively spent approximately $95 billion in net cash in Q2 2026, driven by accelerating AI infrastructure investment, according to Nikkei. The figure lands alongside Citadel's projection - published by Ken Griffin - of $500 billion in AI chip-related debt issuances by 2028, the first systemic exposure estimate from a major hedge fund.

Our take

The market has already started sorting. Amazon and Microsoft are being rewarded because the link between capex and AI revenue (Azure AI, AWS Bedrock) is now demonstrable in numbers. Google and Meta are in "show me the growth" mode. The central risk isn't the scale of the bets - it's the timing: if the return on investment takes 18 to 24 additional months, debt service at current rates becomes uncomfortable. Citadel is the first systemic actor to frame total exposure in debt terms rather than just capex - watch spreads on upcoming compute bond issuances as the leading indicator of stress.

What to watch

Q3 2026 capex guidance from each hyperscaler; spreads on AI infrastructure bond issuances; first signals of voluntary spending deceleration if AI revenue disappoints in the second half.