Iron Mountain
IRMUS ListedIron Mountain (IRM) is a leading publicly traded corporation listed in the United States, constituent of the S&P 500 index.
Stock Snapshot & Key Numbers — Iron Mountain
Verified Daily CloseOfficial closing price, 1-year price range, valuation multiples, and market value from exchange records.
Iron Mountain (IRM) is a US equity security listed on the NYSE. As of the last recorded market session on Close on 16 Oct 2026, the stock closed at $112.51, recording a -0.17 (-0.15%) decline from its previous close of $112.68. Over the trailing 52-week trading cycle, IRM has traded between a 52-week low of $78.86 and a 52-week high of $133.06, establishing its annual trading channel. In historical performance, Iron Mountain has gained 6.35% over the past 1 year. Period returns across standard measurement intervals include: 1-week: -1.75%, 1-month: +0.32%, 6-month: -4.43%, 1-year: +6.35%, 3-year: +82.44%, 5-year: +150.02%. Daily reported trading volume reached 1,375,500 equity shares. On key valuation multiples as of Oct 13, 2026, the company trades at a trailing price-to-earnings (P/E) multiple of 82.2x and a price-to-book (P/B) ratio of data unavailable, with a trailing dividend yield of 3.02%. Its market capitalization stands at $34.27B. The company is categorized under the Real Estate sector and S&P 500 industry within the US equities universe.
Price Chart
Trading Multiples & Ranges
Price boundaries and liquidity distribution.
Past Price Win/Loss Odds (1-Week, 1-Month, 3-Month)
How often this stock rose, stayed flat, or fell over past 21-day holding periods (based on historical data, not a future prediction).
At-a-Glance Health & Momentum Check
Company filings and balance-sheet numbers show steady day-to-day operations with stable margins and working capital.
How Outside Factors Affect This Stock (Market, Crude Oil & Currency)
How closely this stock moved with the broader market index, crude oil, and the exchange rate over the past year.
| Factor / Benchmark | 1Y Beta (Sensitivity) | 1Y Correlation (-1 to +1) | What This Means |
|---|---|---|---|
| S&P 500 | +1.15 | +0.45 | Trailing 1Y historical sensitivity: a 1% move in S&P 500 coincided with a +1.15% co-movement (correlation: 0.45). Descriptive historical relationship, not predictive. |
| US 10Y Treasury Yield | -0.73 | -0.32 | Trailing 1Y historical sensitivity: a 1% move in US 10Y Treasury Yield coincided with a -0.73% co-movement (correlation: -0.32). Descriptive historical relationship, not predictive. |
| Brent Crude Oil | -0.08 | -0.13 | Trailing 1Y historical sensitivity: a 1% move in Brent Crude Oil coincided with a -0.08% co-movement (correlation: -0.13). Descriptive historical relationship, not predictive. |
| USD / INR | +0.26 | +0.06 | Trailing 1Y historical sensitivity: a 1% move in USD / INR coincided with a +0.26% co-movement (correlation: 0.06). Descriptive historical relationship, not predictive. |
How to read Beta & Correlation ( Beta > 1 = wider swings than market; < 1 = calmer )▾
Sensitivities measure historical 1-year regression beta and correlation across paired daily trading sessions over the past 252 trading days. Past relationships can shift over time and do not guarantee future co-movement.
Trailing Returns Breakdown
Calendar-aligned historical percentage performance across standard market windows.
| Period | Start Price | Current Price | Return (%) |
|---|---|---|---|
| 1 Week | ₹114.51 | ₹112.51 | -1.75% |
| 15 Days | ₹111.13 | ₹112.51 | +1.24% |
| 1 Month | ₹112.15 | ₹112.51 | +0.32% |
| 3 Months | ₹121.66 | ₹112.51 | -7.52% |
| 6 Months | ₹117.73 | ₹112.51 | -4.43% |
| 1 Year | ₹105.79 | ₹112.51 | +6.35% |
| 3 Years | ₹61.67 | ₹112.51 | +82.44% |
| 5 Years | ₹45.00 | ₹112.51 | +150.02% |
Price Swings & Biggest Historical Drops
How much this stock typically fluctuates and its largest peak-to-bottom drops over 1 and 5 years.
Calendar-Year Historical Performance
Annual performance breakdown comparing first and last closing sessions of each calendar year.
| Calendar Year | Start Close | End Close | Annual Return | Trajectory Bar |
|---|---|---|---|---|
| CY 2026 | ₹83.24 | ₹112.51 | +35.2% | |
| CY 2025 | ₹104.74 | ₹82.95 | -20.8% | |
| CY 2024 | ₹68.63 | ₹105.11 | +53.1% | |
| CY 2023 | ₹49.67 | ₹69.98 | +40.9% | |
| CY 2022 | ₹51.32 | ₹49.85 | -2.9% | |
| CY 2021 | ₹45.00 | ₹52.33 | +16.3% |
Corporate Actions History
No dividend or stock split distributions recorded in historical feeds for IRM.
Historical Investment Simulator
Factual simulation of past returns in Iron Mountain (IRM) using real recorded closing prices.
Recent News & Official Exchange Announcements
Official exchange filings, order wins, and company updates. Click any announcement to see how it affects the business on the right.
Iron Mountain Q3FY26 Results: Earnings release set for Nov 5, 2026 - scanx.trade
Iron Mountain Q3FY26 Results: Earnings release set for Nov 5, 2026 scanx.trade
Iron Mountain to present at Goldman Sachs and RBC Capital Markets conferences - scanx.trade
Iron Mountain to present at Goldman Sachs and RBC Capital Markets conferences scanx.trade
Who is Arvind Subramanian? Axis Bank appoints IIT and IIM alumnus as additional independent director for four years - Livemint
Who is Arvind Subramanian? Axis Bank appoints IIT and IIM alumnus as additional independent director for four years Livemint
Why This Matters for the Business
Plain-English breakdown of how the selected announcement connects to revenue, costs, and business drivers.
Capital expenditure deployment expands operating throughput and market share in core commercial segments.
- •Capital investment targeted at expanding manufacturing and throughput capacity
Volume throughput absorbs fixed manufacturing plant overheads, supporting operating EBITDA margins and cash generation across real estate units.
Continuous commercial tenders and capital expenditures lock in forward order book-to-bill expansion.
Common Questions About Iron Mountain (IRM)
Key facts on IRM share price, historical returns, valuation ratios, and past SIP performance.
What is the current share price and 52-week range of Iron Mountain (IRM)?
As of 16 Oct 2026, the official closing share price of Iron Mountain (IRM) on NYSE is $112.51 (-0.15% vs the previous close). Over the past 52 weeks, IRM has traded between a low of $78.86 and a high of $133.06, with a reported market capitalization of $34.27B.
What are the historical returns of Iron Mountain (IRM)?
Based on split-adjusted closing prices through 16 Oct 2026, Iron Mountain (IRM) recorded the following trailing price returns: 1 Week: -1.75% (from $114.51 to $112.51); 15 Days: +1.24% (from $111.13 to $112.51); 1 Month: +0.32% (from $112.15 to $112.51); 3 Months: -7.52% (from $121.66 to $112.51); 6 Months: -4.43% (from $117.73 to $112.51); 1 Year: +6.35% (from $105.79 to $112.51); 3 Years: +82.44% (from $61.67 to $112.51); 5 Years: +150.02% (from $45.00 to $112.51). Past performance reflects historical exchange records and does not predict future returns.
What is the P/E ratio, P/B ratio, and dividend yield of Iron Mountain (IRM)?
Iron Mountain (IRM) currently trades at a trailing Price-to-Earnings (P/E) ratio of 82.2x, a Price-to-Book (P/B) ratio of not reported, and a trailing 12-month dividend yield of 3.02%. It operates in the Real Estate sector (S&P 500).
How much would a past lump-sum or monthly SIP investment in IRM have grown?
Based on historical closing prices for Iron Mountain (IRM): A one-time lump-sum investment of $10000.00 held for 5 years would be worth $25002.22 (+150.0% total return, 20.1% CAGR), while a monthly SIP of $500.00 over 5 years (total invested: $30500.00) would be worth $48721.27 (+59.7% absolute return). You can test custom amounts and holding periods in the interactive calculator above.