Pacific Investment Management Co. (Pimco) warns that the rapid pace of debt financing for AI data center infrastructure is causing "indigestion" in fixed-income markets, pushing bond yields higher. Marc Seidner, Pimco’s chief investment officer of non-traditional strategies, said on a podcast that "there’s too much, too fast" AI-related issuance, which may have helped drive the 10-year US Treasury yield to about 4.75% earlier this month—the upper end of a multi-year range. He described this as a crowding-out effect in the bond market.

Despite near-term pressures, Pimco suggests the dynamic could yield decent longer-term returns for investors. The commentary highlights growing concerns over the scale and speed of AI-related capital expenditure funding and its systemic impact on global fixed-income markets. Pimco’s insights come amid heightened investor focus on how AI infrastructure spending is reshaping traditional asset classes.