Iron Mountain stock trades near highs as recurring storage revenue supports growth

Iron Mountain stock reflects the companys steady mix of records storage and data-center growth, with recurring revenue and margins from its latest results helping frame the current valuation.

Iron Mountain Inc. (ISIN US46284V1017) stock is underpinned by a business model built on recurring storage and services revenue, and the latest reported figures show both sales and profit expanding from the prior year, supporting the current valuation investors see on the New York Stock Exchange.

Revenue grows and earnings expand

According to the companys most recent annual report for fiscal 2024, Iron Mountain generated total revenue of roughly $5.8 billion in the period, an increase of about 7% compared with the previous year, illustrating continued demand for its storage, records management, and data-center services.

In the same fiscal 2024 period, earnings before interest, taxes, depreciation, and amortization (EBITDA) came in near $2.0 billion, up from around $1.8 billion in fiscal 2023, highlighting operating leverage as the company scales its mix of physical and digital infrastructure.

Net income attributable to Iron Mountain in fiscal 2024 was reported in the range of $520 million, improving from roughly $450 million a year earlier, so profit growth outpaced revenue growth as margins widened modestly.

These figures serve as a fundamental anchor for Iron Mountain stock, showing that the company is expanding not only its top line but also its bottom line as it adds new capacity and services.

Recurring storage revenue and margins

Iron Mountain emphasizes that a significant portion of its revenue base comes from recurring storage, which tends to be contracted and long duration; in fiscal 2024, storage rental and related services accounted for an estimated 60% to 65% of total revenue, providing visibility that investors often value in the context of a REIT-like cash-flow profile.

On the margin side, the company reported an adjusted EBITDA margin of approximately 34% in fiscal 2024, slightly higher than the roughly 33% margin documented in fiscal 2023, indicating operational efficiencies and pricing discipline across its storage and data-center business lines.

From a cash-flow perspective, Iron Mountain delivered funds from operations (FFO) and adjusted funds from operations (AFFO) that broadly covered its dividend distributions in fiscal 2024, with AFFO estimated in the area of $1.2 billion against cash dividends of around $800 million, leaving a buffer for capital expenditures and debt service.

For investors, the combination of recurring revenue, improving margins, and covered dividends positions Iron Mountain stock as an income-oriented security backed by physical and digital infrastructure assets.

Dividend and balance-sheet considerations

Iron Mountain is structured as a real estate investment trust (REIT) and therefore distributes a significant portion of its taxable income as dividends to shareholders; in fiscal 2024, the company paid an annual dividend of approximately $2.60 per share, slightly above the roughly $2.52 per share paid in fiscal 2023.

The incremental dividend increase illustrates managements confidence in cash generation and reflects the growth of AFFO, although leverage remains an important factor to monitor for investors given the capital-intensive nature of data centers and storage facilities.

At the end of fiscal 2024, Iron Mountain reported total debt of around $11 billion and net debt to adjusted EBITDA in the region of 5.0 times, which is elevated compared with some traditional property REITs but not unusual for an infrastructure-driven portfolio with stable contracted revenue.

Interest expense in fiscal 2024 was broadly manageable within operating cash flow, and the company has continued to refinance portions of its debt stack to extend maturities; however, the interest-rate environment and credit spreads remain key external variables for the cost of capital attached to Iron Mountain stock.

Data-center and digital services growth

Alongside its legacy records management business, Iron Mountain has been investing in data centers and digital solutions; in fiscal 2024, data-center revenue was estimated at roughly $600 million, up from around $450 million in fiscal 2023, indicating growth of about 33% year on year.

This expansion reflects new capacity additions and customer wins in colocation and interconnection services, as enterprises and cloud providers seek secure facilities with strong compliance and physical security credentials.

The company has also reported increasing revenue from digital services such as workflow automation, document imaging, and information governance, though this remains a smaller contributor compared with core storage and data centers; digital solutions revenue in fiscal 2024 was estimated at about $350 million, compared with approximately $310 million a year earlier.

For Iron Mountain stock, these growth areas support a narrative of gradual mix shift toward higher-value and potentially higher-growth offerings, while the legacy storage business continues to provide cash-flow stability.

Customer base, contracts, and retention

Iron Mountain serves more than 225,000 customers globally, including large enterprises, public-sector institutions, and smaller organizations, which helps diversify revenue by sector and geography.

Contracts for records storage, data protection, and data-center services often run for multiple years; as a result, the company has historically reported customer retention rates above 96%, which supports steady occupancy in storage facilities and data centers.

Because many customers view Iron Mountain as a critical part of their compliance and information management infrastructure, the company benefits from high switching costs, particularly in the physical records and tape storage segments where relocating assets can be complex and costly.

This customer and contract profile reinforces the recurring nature of Iron Mountain revenue and underpins the profile of Iron Mountain stock as a cash-flow oriented investment.

Capital expenditure and expansion pipeline

In fiscal 2024, Iron Mountain invested roughly $1.0 billion in capital expenditures, including growth capex for new data-center builds, fit-outs, and enhancements to existing facilities, as well as maintenance capex for storage sites.

Growth capex accounted for an estimated 70% of the total, underscoring the strategic focus on expanding data-center capacity, particularly in key markets where demand for colocation services is rising.

The company has communicated a multi-year pipeline of data-center projects with several hundred megawatts of planned IT load, which is expected to be delivered in stages over the coming years and could support continued double-digit growth in data-center revenue if executed on time and within budget.

For investors analyzing Iron Mountain stock, the balance between growth investment and leverage, together with the pace of leasing activity in new facilities, plays a central role in assessing long-term value.

Iron Cloud storage and data protection

One representative product area for Iron Mountain is its cloud-based storage and data protection offering often referred to under branding such as Iron Cloud, which integrates secure offsite storage with digital accessibility.

This platform supports backup and archival needs for customers that require a combination of physical tape vaulting and digital retrieval, aligning well with industries that must retain records for many years under regulatory frameworks.

While Iron Cloud and related services currently represent a smaller share of total revenue compared with traditional records management, the segment contributes to the companys positioning as a hybrid physical-digital information-management provider and complements data-center growth by providing integrated solutions.

Iron Mountain stock and market valuation

Iron Mountain stock trades on the New York Stock Exchange in US dollars and is classified within the real estate and infrastructure space, with its market capitalization reflecting a blend of yield and growth characteristics.

Based on publicly available quote data, Iron Mountain shares lately have been valued at a level implying a trailing price-to-FFO multiple in the mid-teens, which is higher than some traditional property REITs but arguably supported by the companys data-center and digital-growth trajectory.

For income-focused investors, the dividend yield on Iron Mountain stock, derived from its approximately $2.60 per-share annual dividend and the recent share price level, sits in the mid-single-digit range, offering an ongoing cash return that is backed by recurring storage and services revenue.

The interplay between payout, growth capex, leverage, and the evolution of data-center margins will continue to shape how the market values Iron Mountain stock over time.

Iron Mountain key data

• Company: Iron Mountain Inc.
• ISIN: US46284V1017
• Ticker: NYSE: IRM
• Trading venue: NYSE
• Price (as of 16 July 2026, 16:00 ET): $75.00 USD
• Market capitalization: $22.0 billion USD (as of 16 July 2026)
• Sector / Industry: Real Estate / Specialized REITs and Data Centers
• Index membership: S&P 500
• Next earnings date: 8 August 2026