• In recent months, Baron Capital’s Baron Real Estate Income Fund exited its position in Iron Mountain after weaker data center bookings and a short-seller report raised questions about the company’s accounting and leverage.
• This institutional pullback highlights how concerns around Iron Mountain’s data center growth quality and balance sheet can influence capital allocation decisions even amid broader enthusiasm for its digital infrastructure ambitions.
• With these accounting and leverage concerns in focus, we’ll now examine how they interact with Iron Mountain’s existing investment narrative built around data center expansion.

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Iron Mountain Investment Narrative Recap

To own Iron Mountain, you need to believe its shift from paper-based storage toward higher value digital infrastructure and data centers can offset pressure on its legacy business. The Baron Real Estate Income Fund exit, following softer data center bookings and a short-seller report on accounting and leverage, sharpens attention on near term execution in data centers and the balance sheet. For now, the news highlights existing risks rather than creating a clearly new or different catalyst.

Against this backdrop, Iron Mountain’s Q4 2025 results and 2026 revenue guidance of US$7,625 million to US$7,775 million matter more than usual, as they frame how the company itself sees growth and profitability while questions on bookings and leverage are in the air. The guidance gives investors a current reference point for assessing whether concerns raised by the short report and institutional selling are starting to show up in the reported numbers or remain largely sentiment driven.

Yet despite these growth ambitions, investors should be aware that concerns about Iron Mountain’s elevated leverage and refinancing risk could...

Iron Mountain’s narrative projects $9.1 billion revenue and $776.1 million earnings by 2029.

Uncover how Iron Mountain's forecasts yield a $122.82 fair value, a 19% upside to its current price.

Exploring Other Perspectives

Some of the most optimistic analysts were once assuming Iron Mountain could reach around US$8.8 billion in revenue and about US$904.7 million in earnings by 2028, but the recent data center booking slowdown and leverage questions show how quickly views on its debt burden and capital intensity can shift, so you should expect that these bullish scenarios and more cautious takes can both evolve as new information emerges.

Explore 7 other fair value estimates on Iron Mountain - why the stock might be worth as much as 55% more than the current price!

The Verdict Is Yours

Don't just follow the ticker - dig into the data and build a conviction that's truly your own.

• A great starting point for your Iron Mountain research is our analysis highlighting 3 key rewards and 4 important warning signs that could impact your investment decision.
• Our free Iron Mountain research report provides a comprehensive fundamental analysis summarized in a single visual - the Snowflake - making it easy to evaluate Iron Mountain's overall financial health at a glance.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.