Iron Mountain (IRM) Q2 2026 earnings review
Top-Line Surge Masks Underlying Margin Compression
Iron Mountain delivered a record quarter characterized by accelerating top-line growth. Revenue surged 18.5% YoY to $2.03B, largely propelled by its 'Growth Businesses' (Data Center, ALM, and Digital Solutions) which collectively grew over 50%. The company successfully flipped a $(43M) net loss in 25Q2 to a $106M net income in 26Q2. While management raised full-year guidance across all metrics, the shift toward a highly services-heavy mix is applying visible pressure to margins, requiring strict monitoring of capital efficiency as the company leans heavily into its data center pipeline.
🐂 Bull Case
The ALM and Data Center segments are proving to be powerful secular drivers. Data Center revenue grew 39% YoY with a massive 110 MW leased YTD, while ALM revenue rocketed 88%. These segments are successfully accelerating the overall enterprise growth rate.
An upward revision to FY26 guidance—now projecting ~16% top-line and ~15% Adjusted EBITDA growth—demonstrates high confidence in the pre-leased data center backlog and ongoing ALM cross-selling momentum.
🐻 Bear Case
The accelerating shift toward lower-margin services (like ALM and Digital) is dragging down consolidated profitability rates. Services Gross Margin compressed 240 basis points YoY to 30.7%, pulling total Adjusted EBITDA margin down to 35.8%.
The company's data center ambitions require massive capital outlays. With 160 MW under construction and a 10.2-year weighted-average lease expiry, IRM is committing heavy capital at a 4.8x leverage ratio in a highly competitive hyperscaler market.
⚖️ Verdict: 🟢
Bullish. Iron Mountain has successfully transformed its narrative from a slow-growth physical storage REIT to a high-growth infrastructure and services player. Despite near-term margin mix pressures, the sheer volume of data center leasing and ALM adoption points to sustained absolute cash flow generation.
Key Themes
Data Center Leasing Accelerated by Hyperscale Demand
Iron Mountain's Data Center business is firing on all cylinders, driven by the macro tailwind of AI inference and cloud build-outs. Segment revenue grew 39% YoY. More importantly, leasing momentum is accelerating: 110 MW leased YTD through July (including 75 MW in July alone). The portfolio now has 529 MW operating (97.1% leased) and another 160 MW under construction.
ALM Hits Escape Velocity
Asset Lifecycle Management (ALM) continues its hyper-growth trajectory, with revenue soaring 88% YoY (82% organic). This segment is leveraging Iron Mountain's trusted chain-of-custody reputation to win massive enterprise decommissioning and hyperscale hardware recycling deals, rapidly becoming a core pillar of the company's growth story.
Synergistic Cross-Selling the Core Base
Management's strategy of utilizing its stable Global RIM segment (which houses 240,000 global customers and 95% of the Fortune 1000) as an acquisition funnel for high-growth services is working. The physical storage business remains a cash cow (69.8% gross margin) that funds the digital transformation of its client base through the Insight DXP AI platform and ALM services.
Contradictory Signal: Record Profits Mask Margin Degradation
Despite celebrating record Adjusted EBITDA ($727M), the company's margin profile is actually decelerating due to an aggressive mix shift. Total Service Revenue grew 27.4% YoY, but Service Gross Margin plummeted from 33.1% in 25Q2 down to 30.7% in 26Q2. Consequently, the consolidated Adjusted EBITDA margin dropped 90 basis points YoY to 35.8%. The company is trading margin percentage for absolute dollar growth.
Heavy Capital Intensity
Operating a fast-growing data center business requires immense capital. Total cash paid for capital expenditures in H1 2026 was $1.1B, with total expected investments in current data center expansion/development phases exceeding $1.44B. While leverage is currently stable at 4.8x, execution missteps on hyperscale build-outs could strain the balance sheet.
Innovation: Insight DXP Platform
Iron Mountain's transition into unstructured data management is underpinned by its Insight DXP platform. Leveraging AI and machine learning to process and digitize legacy records, DXP is enabling the company to win massive, multi-year government and fintech managed services contracts, expanding its total addressable market.
ALM Commodity Price Sensitivity
While ALM volume is growing, the segment remains inherently exposed to the secondary market pricing of IT components (like memory and hard drives). Prior quarters indicated some moderation in component pricing, meaning a portion of the 88% revenue surge could be vulnerable to cyclical hardware pricing downturns.
Other KPIs
Stable. Grew 12.3% YoY on a reported basis (11.3% organic). Global RIM volume continues to inch upward to a record 747.8M cubic feet, boasting an exceptional 93.4% retention rate. This segment remains the high-margin anchor (69.8% gross margin) that funds the broader corporate transition.
Accelerating. Up 17.0% YoY, representing $1.44 per share. This cash flow generation comfortably covers the newly declared quarterly dividend of $0.864 per share, translating to a highly sustainable TTM AFFO payout ratio of 60.0%.
Stable. The company remains safely within its target leverage range of 4.5x - 5.5x, holding flat sequentially from Q1 2026 despite heavy capital deployment into the data center pipeline.
Guidance
Accelerating. The midpoint of ~$7.98B represents a ~16% YoY increase. This is a notable raise driven by broad-based outperformance in the first half of the year, heavily supported by ALM and Data Center strength.
Accelerating. The midpoint of $2.96B represents a ~15% YoY increase. While absolute dollars are accelerating, the fact that EBITDA is guided to grow slower than Revenue (15% vs 16%) confirms management's expectation of continued margin mix compression.
Accelerating. Represents a ~14% YoY increase at the midpoint. This flows directly into the company's commitment to grow the dividend in tandem with AFFO per share.
Decelerating sequentially. Implies a ~13% YoY growth rate, which is a step down from the 18.5% YoY pace achieved in 26Q2. This likely reflects tougher base comparisons or cautious timing of ALM component remarketing.
Key Questions
Margin Floor Expectations
Given the rapid mix shift toward Services and ALM, where do you see the floor for consolidated Adjusted EBITDA margins, and at what scale do ALM and Digital begin to show meaningful margin accretion?
Data Center Hyperscale Concentration Risk
With 110 MW leased year-to-date largely to hyperscalers, how is the company hedging against potential sudden changes in capital deployment plans by these few massive clients as the AI inference build-out matures?
ALM Organic Volume vs. Pricing
Of the 88% YoY growth in ALM, can management quantify the exact split between volume growth (more assets processed) versus favorable secondary market component pricing?
Data Center Development Capital Sourcing
With over 684 MW held for development and $1.44B total expected investment in current projects, will future funding rely entirely on internally generated cash and debt, or are joint ventures being considered to manage leverage?