Big Tech

Microsoft Borrows $25 Billion to Pay for Its AI Buildout

📅 Nov 1, 2026

✍️ Aamir Raza

Microsoft Borrows $25 Billion for AI

Its first US bond sale in nine years shows even cash-rich Big Tech now needs Wall Street to fund the AI buildout.

LexxWire

First Bond Sale Since 2017

Microsoft last tapped the US bond market in 2017, raising $17 billion. This time it sought at least $25 billion across 10 tranches.

LexxWire

Investors Piled In

Orders topped $115 billion, more than four times the offering, helped by Microsoft's rare AAA credit rating.

LexxWire

Where the Money Goes

Proceeds fund data centers and AI gear. Microsoft spent $45.2 billion last quarter and expects over $50 billion this quarter.

LexxWire

A $313 Billion Borrowing Spree

Hyperscalers and data-center builders have raised over $313 billion in bonds this year, nearly triple all of 2025.

LexxWire

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