About Iron Mountain Incorporated (IRM)
Iron Mountain Incorporated is a REIT - Specialty company operating in the Real Estate sector.
IRM trades on the US stock exchanges (NYSE/NASDAQ) and is classified as a large-cap stock .
Key Statistics
- Current Price
- $116.55
- Market Cap
- $34.70B
- 52-Week High
- $134.68
- 52-Week Low
- $77.77
- Sector
- Real Estate
- Industry
- REIT - Specialty
$1,000 Invested in Iron Mountain Incorporated (IRM)
How much would $1,000 invested in IRM be worth today?
What would $1,000 invested in IRM 1 year ago be worth today?
A $1,000 investment in Iron Mountain Incorporated (IRM) in 2025 would be worth $1,189 as of November 2026, representing a +18.9% total return.
What would $1,000 invested in IRM 3 years ago be worth today?
A $1,000 investment in Iron Mountain Incorporated (IRM) in 2023 would be worth $2,173 as of November 2026, representing a +117.3% total return.
What would $1,000 invested in IRM 5 years ago be worth today?
A $1,000 investment in Iron Mountain Incorporated (IRM) in 2021 would be worth $3,063 as of November 2026, representing a +206.3% total return.
What would $1,000 invested in IRM 10 years ago be worth today?
A $1,000 investment in Iron Mountain Incorporated (IRM) in 2016 would be worth $5,896 as of November 2026, representing a +489.6% total return.
What would $1,000 invested in IRM at IPO be worth today?
A $1,000 investment in Iron Mountain Incorporated (IRM) at IPO would be worth $101,943 as of November 2026, representing a +10094.3% total return.
Monthly Returns Heatmap
Over the past 30+ years (368 months), Iron Mountain Incorporated (IRM) has averaged a monthly return of +1.59% with a median return of +1.11%. The stock had 204 positive months (55%) and 163 negative months (44%). The best month in IRM's history was December 1999 with a +33.5% return, while the worst was June 2013 at -25.0%. Historically, December tends to be the strongest month (averaging +3.6%), and January the weakest (-0.7%).
IRM's longest winning streak was 8 consecutive months of gains, while its longest losing streak was 5 consecutive months of losses. The best full year was 2021 with a cumulative return of +67.1%, and the worst was 2008 at -34.0%.
Annual Returns
Over 30 years of trading history, Iron Mountain Incorporated (IRM) has delivered an average annual return of +17.06% with a median return of +16.27%. The compound annual growth rate (CAGR) is +14.25%. The stock posted gains in 22 years (73%) and losses in 8 years (27%).
IRM's best year was 2021 with a +87.75% gain, while the worst was 2008 at -33.20%. The longest streak of consecutive positive years was 5, and the longest losing streak was 2 years. IRM achieved double-digit gains (10%+) in 18 years. It suffered double-digit losses in 3 years.
| Year | Return | Start | End |
|---|---|---|---|
| 2026 | +43.73% | $81.09 | $116.55 |
| 2025 | -18.24% | $99.18 | $81.09 |
| 2024 | +54.48% | $64.20 | $99.18 |
| 2023 | +46.53% | $43.81 | $64.20 |
| 2022 | -0.08% | $43.85 | $43.81 |
| 2021 | +87.75% | $23.35 | $43.85 |
| 2020 | +0.99% | $23.13 | $23.35 |
| 2019 | +5.87% | $21.84 | $23.13 |
| 2018 | -7.97% | $23.74 | $21.84 |
| 2017 | +23.56% | $19.21 | $23.74 |
| 2016 | +27.46% | $15.07 | $19.21 |
| 2015 | -25.68% | $20.28 | $15.07 |
| 2014 | +48.12% | $13.69 | $20.28 |
| 2013 | +1.31% | $13.51 | $13.69 |
| 2012 | +16.86% | $11.56 | $13.51 |
| 2011 | +26.83% | $9.12 | $11.56 |
| 2010 | +11.61% | $8.17 | $9.12 |
| 2009 | -7.97% | $8.88 | $8.17 |
| 2008 | -33.20% | $13.29 | $8.88 |
| 2007 | +34.33% | $9.89 | $13.29 |
| 2006 | -2.08% | $10.10 | $9.89 |
| 2005 | +38.47% | $7.30 | $10.10 |
| 2004 | +15.67% | $6.31 | $7.30 |
| 2003 | +19.78% | $5.27 | $6.31 |
| 2002 | +13.05% | $4.66 | $5.27 |
| 2001 | +17.98% | $3.95 | $4.66 |
| 2000 | -5.56% | $4.18 | $3.95 |
| 1999 | +9.01% | $3.84 | $4.18 |
| 1998 | +50.26% | $2.55 | $3.84 |
| 1997 | +19.01% | $2.14 | $2.55 |
Frequently Asked Questions: IRM
What sector is IRM in? ▼
IRM operates in the Real Estate sector, specifically in the REIT - Specialty industry.
How has IRM performed historically? ▼
Over 30 years of trading history, IRM has posted gains in 22 years (73% of the time). The best year was 2021 with a +87.8% return. Past performance does not guarantee future results.
How can I invest in IRM? ▼
You can invest in IRM through any brokerage account that offers access to US stock exchanges. Popular options include commission-free brokers like Fidelity, Charles Schwab, or Robinhood (US), or international brokers like Interactive Brokers. You can buy individual shares or invest through ETFs that hold IRM.
Last updated: 11/1/2026