IRM vs MSFT: Iron Mountain Incorporated vs Microsoft Corporation Historical Returns & Investment Comparison

This IRM vs MSFT comparison analyzes the historical stock performance of Iron Mountain Incorporated and Microsoft Corporation side-by-side. Using real, adjusted market data, this tool shows how identical investments in both stocks would have performed over time—highlighting differences in annual returns and consistency across market cycles.

Use the interactive calculator below to adjust the investment amount and time period, visualizing how Iron Mountain Incorporated and Microsoft Corporation have historically performed against each other.

Company Profiles

1

Iron Mountain Incorporated

IRM

Iron Mountain Incorporated is a global leader in storage and information management services. It provides a broad range of solutions including records and information management, data management, information governance and compliance, data centers, asset lifecycle management, secure destruction, and art storage and logistics. The company operates on a hybrid business model integrating physical and digital storage solutions and is structured as a Real Estate Investment Trust (REIT).

Key Innovations

  • Integration of advanced data analytics and automation into core operational workflows.
  • Commitment to sustainability with a goal for net-zero carbon emissions by 2040, demonstrating leadership in environmental responsibility within the industry.
  • Strategic R&D investment driving next-generation solution design and market differentiation.
  • Pioneering a hybrid business model that seamlessly integrates physical and digital storage solutions to meet evolving client needs.
  • Expansion of digital transformation initiatives across product engineering and customer delivery.
  • Significant expansion into the data center market, offering robust colocation and interconnection services as critical digital infrastructure.
  • Proprietary technology architecture developed by Iron Mountain Incorporated to optimize operational performance.

Business Segments

  • Records and Information Management
    Secure offsite storage for physical documents, digital transformation services, and secure shredding solutions.
  • Data Management & Data Centers
    Data backup and recovery, cloud storage, tape storage, and secure colocation and interconnection services within its data centers.
  • Asset Lifecycle Management & Secure Destruction
    Services for managing the full lifecycle of physical assets, including secure destruction and IT asset disposition.
2

Microsoft Corporation

MSFT

Microsoft Corporation is a global technology powerhouse that develops, licenses, and supports a wide range of software products, services, and devices. As of 2026, the company has successfully transitioned into an 'AI-first' organization, leveraging its strategic partnership with OpenAI to integrate generative AI across its entire tech stack. Microsoft is the dominant provider in enterprise computing through its Windows operating system and Office productivity suite, and it is a leading player in the global cloud market with Azure. Its business model centers on digital transformation, cloud infrastructure, and the emerging economy of autonomous AI agents.

Key Innovations

  • Azure AI Services & Copilot Ecosystem
  • Windows 11 and Next-Gen 'Copilot+' AI PC architecture
  • Microsoft 365 Copilot (Generative AI for productivity)
  • HoloLens and Mixed Reality (Industrial Metaverse)
  • Custom Silicon: Azure Maia AI Accelerator and Azure Cobalt CPU
  • Topological Quantum Computing (Majorana 1 chip)
  • Agentic AI: Autonomous digital coworkers built on Copilot Studio

Business Segments

  • Intelligent Cloud
    The company's primary growth engine, consisting of public, private, and hybrid server products and cloud services. Key offerings include Azure—a comprehensive cloud platform for computing, networking, and AI—as well as SQL Server, Windows Server, GitHub, and Nuance Healthcare. In 2026, this segment is heavily focused on scaling AI 'superfactories' and providing the infrastructure for large-scale generative AI workloads.
  • Productivity and Business Processes
    Focuses on productivity, communication, and information services. It includes Microsoft 365 (formerly Office), which has evolved into a Copilot-integrated subscription service for both commercial and consumer users. This segment also encompasses LinkedIn (talent and marketing solutions), Dynamics 365 (cloud-based ERP and CRM), and the Microsoft Power Platform for low-code development and hyperautomation.
  • More Personal Computing
    Encompasses products and services geared toward end-users and developers across devices. This includes Windows OEM and commercial licensing, Surface devices, Search and news advertising (Bing and Copilot), and Gaming. Following the acquisition of Activision Blizzard, the Gaming division includes Xbox hardware, content, and services like Game Pass, making Microsoft one of the largest video game publishers globally.

How This Comparison Works

Our stock comparison tool uses adjusted closing prices to calculate year-by-year returns for both stocks. This ensures an apples-to-apples comparison that accounts for:

  • Dividends: Prices are dividend-adjusted, reflecting the effect of dividend payments over time
  • Stock splits: Historical prices are adjusted for all splits
  • Head-to-head record: Shows which stock outperformed each year
  • Statistical analysis: Average returns, best/worst years, and win rates

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Important Disclaimer

This comparison tool is for educational and informational purposes only and does not constitute financial, investment, or trading advice. Past performance is not indicative of future results. Historical returns include dividends and stock splits but do not account for taxes, fees, inflation, or individual circumstances. Stock market investments carry risk, including the potential loss of principal. Always consult with a qualified financial advisor before making investment decisions. The data presented is based on historical market data and may contain inaccuracies or delays.