The AI megatrade's mounting portfolio concentration risk problem

The author argues that fixed income portfolio construction rules and strict issuer concentration limits could soon restrict the debt-raising ambitions of AI hyperscalers. S&P Global and Goldman Sachs forecast trillions in AI infrastructure capex requiring massive debt funding, but most credit portfolio managers restrict individual issuer exposure to one or two percent. Consequently, rapidly growing borrowing by companies like Amazon and Meta risks saturating the investment-grade bond market and driving up credit spreads due to portfolio indigestion. Open article →