Microsoft's $25 Billion Bond Sale: First Debt Raise Since 2017

As seen on the 24/7 Wall St. homepage on October 29, 2026.

One of the most cash-rich companies on earth has not touched the bond market since 2017 and now wants at least $25 billion across 10 tranches. That is the real price tag on the AI buildout.

MICROSOFT PREPARES AT LEAST $25 BILLION BOND SALE, ITS FIRST SINCE 2017 $MSFT is looking to raise at least $25B through a 10-part U.S. bond offering, as it joins other major tech companies tapping debt markets to finance the AI infrastructure buildout. The offering would mark https://t.co/U2xXCectde
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Microsoft is preparing to raise at least $25 billion through a multi-part U.S. bond offering, its first time tapping the debt markets since 2017. The sheer size of the deal signals that even one of the most cash-rich companies on earth sees the AI infrastructure buildout as a capital need too large to fund from operations alone.

The decision to join other major tech companies in the bond market reframes how investors should think about AI spending. This structured, multi-tranche capital raise puts a concrete price tag on what it costs to compete at the frontier of AI infrastructure.

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For bond investors, the offering represents a rare chance to hold Microsoft paper after nearly a decade of absence from the primary market. For equity investors, the key question is how the additional debt load sits alongside the company's existing balance sheet and what it implies about the scale and timeline of planned AI-related capital expenditures.

Microsoft last issued bonds in 2017, meaning a new generation of fixed-income investors has never seen a primary offering from one of the most creditworthy names in corporate America. The return to the market at this size makes the AI buildout one of the most consequential capital events in the company's recent history.

Mentioned: MSFT