Analysis: in 2025, tech companies have raised about $157B in the US bond markets, up 70% from last year, as debt seeps into every corner of the AI economy
Welcome to Tech In Depth, our daily newsletter about the business of tech from Bloomberg's journalists around the world. LinkedIn: Edward Ludlow . Bluesky: @3fecta LinkedIn: Edward Ludlow : Debt: The Invisible Force Behind the AI Boom (my latest Tech In Depth) — Everyone talks about Nvidia's chips. … Bluesky: Dag / @3fecta : Everyone leveraged up to their eyeballs. I wonder if this has ever gone poorly before. [embedded post]
Context & Ripple Effects
AI-related borrowing had already become a major slice of investment-grade credit: JPMorgan’s tally put AI-linked debt at $1.2 trillion, the market’s largest segment. This report adds a company-level issuance measure, showing that the financing model is spreading beyond a narrow set of infrastructure buyers.
The subsequent coverage points to a broader credit-market response, from record-nearing investment-grade issuance tied in part to AI infrastructure to more trading in company-specific credit protection.
First-order effects
- Tech companies that can access U.S. bond markets gain a larger pool of funding for AI-related investment, while bond investors take on more direct exposure to the sector’s capital-spending cycle.
- A 70% year-over-year increase in issuance makes debt a more consequential constraint on AI expansion: interest costs, refinancing terms and credit capacity matter alongside technology demand.
Second-order effects
- Greater AI-linked supply can make credit-market conditions more influential in deciding which companies can sustain infrastructure spending; smaller or less-proven borrowers may face less favorable terms, as higher rates for smaller AI infrastructure companies illustrate.
- Investors and lenders have more reason to differentiate among AI borrowers’ balance sheets, a dynamic consistent with the later rise in company-specific tech credit-derivatives trading.
Third-order effects
- If issuance remains concentrated around AI infrastructure, the buildout increasingly shifts from an equity-funded technology race toward one mediated by bond-market risk tolerance and refinancing cycles.
- The resulting divide could favor large, creditworthy platforms over smaller AI businesses, though the durability of that divide depends on whether AI investment produces cash flows sufficient to support the added debt.
The trend: AI infrastructure is becoming a credit-market story as much as a semiconductor and software story, with debt funding increasingly shaping who can finance the buildout.