AI concentration risk: don’t get over hype-scaled

The rapid AI infrastructure buildout draws capital from bonds, banks, and utilities – creating potential for concentration risk exposure.Neil Sun, Portfolio Manager on RBC GAM's BlueBay U.S. Fixed Income team, breaks down how Artificial Intelligence (AI) infrastructure funding is reverberating throughout public and private credit markets. Hyperscalers are tapping public bonds, private infrastructure capital, and bank construction loans simultaneously—turning what looks like diversified exposure into overlapping bets on the same AI buildout theme.Banks and utilities are ramping up debt issuance, as utilities fund rising power demands and banks manage expanding balance sheets, compounding market pressure across sectors.What once appeared as well-diversified cross-sector allocations may now represent concentrated exposure to a single mega-theme, as the AI buildout channels through every corner of the credit market.