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Barclays Brief

Barclays Brief

AI credit supply tests market capacity

Jul 28, 2026 · 10m

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The AI buildout is fuelling a wave of new credit supply, and the sheer volume of debt is starting to test the market's capacity to absorb it. Year-to-date, the AI ecosystem has accounted for roughly 20% of all US corporate bond issuance, and the six hyperscalers are now bigger than the big six banks in some key measures. ​ In this episode of Barclays Brief , Ronnie Wexler, Global Head of Equities Distribution, and Dominique Toublan, Head of US Credit Strategy, discuss how AI financing is reshaping credit markets, why investors are demanding greater compensation to absorb this wave of new issuance, and what growing concentration among hyperscalers could mean for the broader investment-grade…