Iron Mountain (IRM) Q1 2026: Data Center Revenue Jumps 47% as ALM and Digital Surpass 50% Growth
Iron Mountain’s Q1 2026 results mark a structural inflection, with growth businesses now exceeding 30% of total revenue and data center, asset lifecycle management, and digital segments each posting outsized gains. The company upgraded its full-year outlook on the back of robust cross-selling, record government bookings, and sustained margin expansion, signaling a durable pivot toward higher-growth, technology-driven services.
Summary
- Growth Engines Outpace Legacy: Data center, ALM, and digital now drive over 30% of revenue, reshaping Iron Mountain’s mix.
- Government and Enterprise Penetration Accelerates: Record public sector bookings and deeper Fortune 1000 wallet share extend multi-year runway.
- Outlook Raised on Structural Momentum: Upgraded guidance reflects confidence in double-digit growth and margin durability across cycles.
Performance Analysis
Iron Mountain delivered record Q1 results with revenue, adjusted EBITDA, and AFFO each up 22% year-over-year, propelled by a broad-based surge across its growth segments. The company’s organic growth rate of 17% was its highest in over 25 years, underscoring a step-change in business mix as data center, asset lifecycle management (ALM, IT asset disposition and recycling), and digital solutions collectively grew over 50% and now contribute more than 30% of total revenue.
Legacy records management (RIM, physical document storage and services) posted its best quarterly growth in years, with storage revenue up 9% and services up 16%, supported by strong pricing and project work. Data center revenue surged 47%, with 22 megawatts leased in Q1 and another 10 megawatts in April, while ALM revenue nearly doubled on enterprise and decommissioning strength. Adjusted EBITDA margin expanded to 36.6%, reflecting operational leverage even as services mix rises. Operating cash flow hit a first-quarter record, and net lease-adjusted leverage improved to 4.8x, the best since 2014.
- Growth Segments Drive Mix Shift: Data center, ALM, and digital now exceed 30% of revenue, up from prior years’ low-20s mix.
- Margin Expansion Despite Services Mix: EBITDA margin rose 20 basis points, with data center margins above 52% and ALM profitability improving.
- Cash Flow and Balance Sheet Strengthen: Operating cash flow up $141 million YoY, enabling increased dividend and CapEx flexibility.
With strong cross-segment bookings and a raised full-year guide, Iron Mountain’s Q1 signals durable acceleration in both growth profile and financial flexibility.
Executive Commentary
"Our first quarter results were exceptional, above our expectations, with 22% year-over-year growth for revenue, adjusted EBITDA, and AFFO. Our team's execution of our growth plans and consistent delivery of value to our customers continues to drive the record performance across our business."
Bill Meany, President and Chief Executive Officer
"Adjusted EBITDA of $708 million increased $128 million or 22% year over year. This exceeded the projection we provided on our last call by $23 million driven by the revenue upside and operational efficiency across the business. Adjusted EBITDA margin was 36.6%, an increase of 20 basis points from last year."
Barry Heitkamp, Executive Vice President and Chief Financial Officer
Strategic Positioning
1. Data Center Expansion Anchors Long-Term Growth
Iron Mountain’s data center business, colocation and hyperscale leasing of mission-critical infrastructure, continues to scale rapidly. With 400 megawatts of capacity coming online in the next two years and 32 megawatts leased YTD, management expects to exceed its 100 megawatt leasing target for 2026. Advanced negotiations span multiple geographies, and renewal pricing remains strong, supporting visibility and returns. The integration of India’s WebWorks and a robust global pipeline further reinforce Iron Mountain’s positioning as a credible hyperscale partner.
2. Asset Lifecycle Management (ALM) Accelerates Global Penetration
ALM, Iron Mountain’s IT asset disposition and recycling business, posted 92% revenue growth, driven by both enterprise and hyperscale decommissioning. The company’s global reach (serving 61 countries) and ability to consolidate fragmented vendor bases have unlocked new Fortune 1000 wins and multi-year contracts. Leadership sees ALM as structurally under-penetrated, with ample runway to expand wallet share and vertical reach, and is pursuing both organic and tuck-in M&A to extend scale and capabilities.
3. Digital Solutions and Government Momentum
Digital solutions, including DXP (AI-powered content and workflow platform), grew over 20% year-over-year, with record public sector bookings. The recent FedRAMP High authorization for Insight opens up high-value U.S. federal workloads, while cross-sell wins in healthcare and media highlight the platform’s vertical traction. The Treasury contract ramp and additional government bookings signal a durable shift in public sector digitization demand.
4. Legacy RIM Remains a Cash Engine
Physical records management, while a slower-growth segment, delivered its best quarter in years with 8% organic growth. Revenue management actions (pricing, value-based upsell) and strong project execution continue to drive recurring storage revenue, providing a stable cash flow base to fund growth investments and dividends.
5. Operational Discipline and Capital Allocation
Iron Mountain maintains a disciplined CapEx approach, focusing growth investments on pre-leased data center builds and high-return digital/ALM opportunities. The board raised the dividend, and payout ratios remain in the low-60s percent, balancing shareholder returns with reinvestment. Leverage is trending lower, and management reiterated its commitment to maintaining balance sheet strength as growth accelerates.
Key Considerations
Iron Mountain’s Q1 marks a clear inflection, but investors should parse the sustainability of growth drivers and the durability of recent mix shifts:
Key Considerations:
- Mix Shift Toward Growth Segments: Over 30% of revenue now comes from data center, ALM, and digital, up from the low 20s, reducing reliance on legacy storage.
- Government and Enterprise Pipeline: Record public sector bookings and deeper Fortune 1000 penetration suggest a multi-year runway for digital and ALM expansion.
- Pricing and Margin Management: Value-based pricing in both storage and data center segments is driving margin resilience despite higher services mix.
- CapEx Discipline Amid Growth: Growth CapEx is concentrated in pre-leased projects, with no capital constraints cited for data center expansion.
- ALM Supply Chain Dynamics: Memory and server supply shortages are creating new revenue streams via component harvesting and OEM resale, but introduce cyclical risk.
Risks
Iron Mountain’s transformation is exposed to several risks: hyperscale and government contract timing remains lumpy and unpredictable, with multi-quarter sales cycles; memory and component pricing could normalize, impacting ALM margins; and legacy RIM growth, while robust this quarter, faces secular digitization headwinds long term. Management’s raised outlook assumes continued strong demand and execution across geographies and verticals, but any disruption in supply chains, government budgets, or hyperscale deployment could pressure results.
Forward Outlook
For Q2 2026, Iron Mountain guided to:
- Revenue of approximately $1.965 billion, up 15% YoY
- Adjusted EBITDA of approximately $715 million, up 14% YoY
- AFFO of approximately $418 million, or $1.40 per share
For full-year 2026, management raised guidance:
- Total revenue of $7.825 to $7.925 billion (14% YoY growth at midpoint)
- Adjusted EBITDA of $2.925 to $2.965 billion (14% YoY growth at midpoint)
- AFFO of $1.735 to $1.755 billion (13% YoY growth at midpoint)
Management cited ALM outperformance (raising full-year ALM revenue guidance by $100 million), stronger data center leasing, and digital/government wins as drivers of the guide-up. No FX benefit is assumed in the revised outlook.
- ALM and digital will drive the majority of incremental revenue for the balance of the year
- Ongoing margin discipline expected despite services mix shift
Takeaways
Iron Mountain’s Q1 2026 performance demonstrates a meaningful pivot from legacy storage to a diversified, technology-led growth profile.
- Growth Segments Now Core: Data center, ALM, and digital are no longer peripheral, but the main growth engines and represent a third of total revenue.
- Margin and Cash Flow Durability: Margin expansion and record cash flow support both reinvestment and capital returns, even as services mix rises.
- Structural Tailwinds in Government and Enterprise: Public sector digitization and Fortune 1000 cross-sell offer multi-year upside, but investors should monitor contract lumpiness and supply chain dynamics.
Conclusion
Iron Mountain’s Q1 results and guidance raise reflect a business successfully shifting from a legacy storage REIT to a diversified, growth-oriented digital infrastructure provider. The company’s execution in data center, ALM, and digital, combined with disciplined capital allocation, positions it for sustained double-digit growth and margin resilience, though execution risk and cyclical factors warrant continued vigilance.
Industry Read-Through
Iron Mountain’s Q1 underscores a broader industry pivot: demand for hyperscale and enterprise data center capacity remains robust, supporting secular tailwinds for digital infrastructure REITs. The surge in ALM and IT asset disposition highlights growing enterprise and OEM focus on secure, global-scale hardware lifecycle management, especially amid supply chain constraints. Public sector digitization is accelerating, with FedRAMP and similar certifications becoming table stakes for federal workloads. Investors should watch for similar mix shifts and margin dynamics across the digital infrastructure and IT services landscape, as well as the durability of value-based pricing in a more competitive market.