Finance

Bridgewater warns Big Tech's reliance on external capital to fund AI boom is 'dangerous'

Published by Global Banking & Finance Review

Posted on December 15, 2025

2 min read

· Last updated: January 20, 2026

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Bridgewater warns Big Tech's reliance on external capital to fund AI boom is 'dangerous'
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Dec 15 (Reuters) - The AI spending boom is entering a "dangerous" phase as Big Tech firms increasingly tap external investors to cover mounting costs, a top executive at hedge fund giant Bridgewater

Bridgewater Warns of Dangers in AI Spending Boom

Dec ‌15 (Reuters) - The AI spending boom is entering a "dangerous" phase as ‍Big ‌Tech firms increasingly tap external investors to cover mounting costs, a ⁠top executive at hedge ‌fund giant Bridgewater Associates said on Monday.

The warning underscores the degree of unease rippling through markets as several investors have begun to question ⁠the sustainability of massive capital spending on AI.

While the technology has deeply permeated ​the economy, critics are beginning to wonder how ‌severe the fallout could be ⁠if the boom fails to translate into tangible profits.

"Going forward, there is a reasonable probability that we will soon ​find ourselves in a bubble," Bridgewater's Co-Chief Investment Officer Greg Jensen wrote in a note.

With costs rising beyond what internal cash flows can support, companies are turning to outside sources ​of funding ‍to pursue their ​ambitions.

A UBS report last month said AI data center and project financing deals surged to $125 billion until November this year, from $15 billion in the same period in 2024.

The latest bout of anxiety over the AI trade was sparked by Oracle's weak sales ⁠and profit forecasts for the third quarter, issued last week.

Jensen said the surge in demand ​for computing power would need an unprecedented physical buildout of data centers, which faces many constraints.

At the same time, valuations across the AI ecosystem have soared, and the ‌U.S. economy is becoming increasingly concentrated around the technology, he added.

(Reporting by Niket Nishant in Bengaluru; Editing by Krishna Chandra Eluri)

Key Takeaways

  • Bridgewater warns of risks in AI spending boom.
  • Big Tech increasingly relies on external capital.
  • Concerns over sustainability of AI investments.
  • AI data center financing surged to $125 billion.
  • Oracle's weak forecasts spark AI trade anxiety.

Frequently Asked Questions

What is external capital?
External capital refers to funds that a company raises from outside sources, such as investors or financial institutions, rather than relying solely on its internal cash flows.
What is an AI bubble?
An AI bubble occurs when investments in artificial intelligence technologies become overvalued, leading to inflated prices that may not be sustainable in the long term.
What are valuations in finance?
Valuations in finance refer to the process of determining the current worth of an asset or company, often based on various financial metrics and market conditions.
What is capital spending?
Capital spending, or capital expenditure (CapEx), is the amount of money a company invests in acquiring, upgrading, or maintaining physical assets such as property, buildings, or equipment.
What is sustainability in finance?
Sustainability in finance refers to investment strategies that consider environmental, social, and governance (ESG) factors, aiming for long-term viability and ethical impact.

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