U.S. investment-grade bond issuance set a new record in June, driven by strong investor demand and heavy borrowing tied to spending on artificial intelligence.
According to Jin10, Bloomberg-compiled data showed issuance reached $175 billion this month, about 60% higher than the full-month level in June 2025, and above the previous peak set in 2020, when borrowing surged in the near-zero interest-rate environment following the COVID-19 outbreak.
The rapid pace of issuance underscored how the debt market has been shaped by technology companies raising funds for AI infrastructure.
Nvidia and SpaceX each issued $25 billion of high-grade bonds this month, pushing total issuance well above dealers’ earlier forecast of about $130 billion for June.