Growing pains: Hyperscaler Issuer Concentration Fears Look Overstated, Insurers Still Have Capacity to Add

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Growing pains: Hyperscaler Issuer Concentration Fears Look Overstated, Insurers Still Have Capacity to Add

J P M O R G A N North America Credit Research

14 July 2026

Growing pains

Hyperscaler Issuer Concentration Fears Look

Overstated, Insurers Still Have Capacity to Add

• History and global markets suggest capacity for hyperscaler issuance North America Corporate Credit -

remains substantial. Concerns that rapidly growing AI-related issuance is Investment Grade Strategy

pushing insurers toward single-issuer concentration limits are overstated. In Nathaniel Rosenbaum, CFA AC

fact, the USD HG market remains far less concentrated than in prior cycles. Pre (1-212) 834-2370

and immediately post GFC, large USD HG issuers routinely represented 3–8% nathaniel.rosenbaum@jpmorgan.com

of the benchmark for extended periods of time, while today smaller and less Silvi Mantri

liquid non-USD corporate credit markets currently function well with issuers (1-212) 834-7239

accounting for 5–17% of their respective indices. By our estimates, the silvi.mantri@jpmchase.com

J.P. Morgan Securities LLC

hyperscalers could collectively issue ~$1.7tr of additional USD HG debt

before they would hit a theoretical 3% index-weight, a level which could

trigger more risk-limit scrutiny.

• Looks can be deceiving. Insurers’ assess issuer limits against their broader

pool of invested assets rather than solely against public HG holdings. As a

result, issuers that appear large in the HG index translate to materially smaller

weights in insurer portfolios, and life insurers entered 2026 underweight

hyperscaler HG debt. Insurers invested assets are growing rapidly on account

of strong annuity sales and the allocation to public HG is higher too, which

bodes well for future demand.