Companies: 10,795·Total market cap: $144.5T
Iron Mountain Incorporated

Iron Mountain Incorporated

IRMNYSEReal Estate● Active
$126.07
+$1.41(+1.13%)
Market Cap$37.5B
P/E Ratio
52W High$134.09
52W Low$77.77
Overview

Iron Mountain Incorporated (IRM) PE Ratio — Current & Historical Data

Trailing twelve months (TTM) P/E, forward P/E, PEG, and annual PE history — from market prices and filings.

irm · pe ratio · data through Dec 31, 2025

Core PE Ratio Metrics

Trailing 12 months · TTM

The price-to-earnings (P/E) ratio for Iron Mountain Incorporated (IRM) measures how much investors pay for each dollar of the company's trailing earnings. IRM's current PE ratio of 135.90x is calculated by dividing its stock price of $126.07 by its TTM earnings per share of $0.92. +32.9% elevated vs 5Y avg 102.2x

135.90x
P/E Ratio (TTM)+32.9%

Source: FMP · /ratios-ttm · /analyst-estimates · 2025-12-31

Forward P/E
48.48x
FY2027 est. EPS $2.60
Based on 4 analysts
EPS (TTM)
$0.92
TTM · diluted EPS
PEG Ratio
1.11
Source: FMP · /ratios-ttm · /ratios annual · /analyst-estimates · /stock-peers · Iron Mountain Incorporated SEC 10-K & 10-Q filings · US GAAPUpdated: 2026-06-08

PE Ratio History

2006 – 2025 · Annual
PE Ratio (TTM)
5Y Avg 102.2x
EPS (Annual)

▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare (Annual)

Historical PE Range

Past 19 fiscal years · Front-end computed
Average
56.5x
19-yr mean
Median
42.4x
19-yr midpoint
Minimum
15.2x
Lowest year
Maximum
171.2x
Highest year
135.9x ← Now
15.2x
Min
Q1 · 25%42.4x
Median
Q3 · 75%171.2x
Max
Historically Elevated

At 135.90x, IRM's current P/E is higher than in 89% of its annual fiscal year readings over the past 19 years — historically elevated.

89th percentileHigher than 17 of 19 historical fiscal year readings

Percentile calculated from annual fiscal year data points, not by trading day. Years where PE ≤ 0 or > 9,999 are excluded.

PE Ratio vs Peers

REIT - Specialty · 6 peers · Annual PE
CompanyMarket CapPE (Annual)vs AvgEPS (TTM)
Iron Mountain Incorporated
Iron Mountain IncorporatedYou
IRM
$37.5B135.90x-80.5%$0.92
AvalonBay Communities, Inc.
AvalonBay Communities, Inc.
AVB
$26.9B24.26x-96.5%$7.47
Crown Castle Inc.
Crown Castle Inc.
CCI
$40.7B87.07x-87.5%$1.02
CoStar Group, Inc.
CoStar Group, Inc.
CSGP
$13.5B4003.66x+473.8%$0.02
Equity Residential
Equity Residential
EQR
$25.6B21.34x-96.9%$2.95
Extra Space Storage Inc.
Extra Space Storage Inc.
EXR
$30.5B28.32x-95.9%$4.60
Lamar Advertising Company
Lamar Advertising Company
LAMR
$15.4B21.89x-96.9%$5.78
Industry Average
6 peers with valid PE
697.76xbaseline

* N/A — Company is not profitable (TTM) · excluded from industry average · ▸ FMP /stock-peers + /ratios?limit=1 · priceToEarningsRatio

Annual PE Ratio History

Showing 10 of 20 years
Fiscal Year EndPE RatioEPS (TTM)YoY ChangePE vs Max
2025-12-31Latest
FY2025
169.47x$0.49-1.0%
2024-12-31
FY2024
171.16x$0.61+54.4%
2023-12-31
FY2023
110.89x$0.63+326.0%
2022-12-31
FY2022
26.03x$1.92-22.6%
2021-12-31
FY2021
33.64x$1.56+35.7%
2020-12-31
FY2020
24.79x$1.19-27.5%
2019-12-31
FY2019
34.21x$0.93+34.1%
2018-12-31
FY2018
25.50x$1.27-53.3%
2017-12-31
FY2017
54.58x$0.69-28.5%
2016-12-31
FY2016
76.28x$0.43+65.1%

▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare · Zero extra API

About PE Ratio & Methodology

The price-to-earnings (P/E) ratio for Iron Mountain Incorporated (IRM) measures how much investors pay for each dollar of the company's trailing earnings. IRM's current PE ratio of 135.90x is calculated by dividing its stock price of $126.07 by its TTM earnings per share of $0.92.

PE Ratio = Stock Price ÷ EPS (TTM)
= $126.07 ÷ $0.92 = 135.90x
TTMTrailing Twelve Months — sum of the most recent 4 quarterly EPS figures
Forward PEStock price ÷ analyst consensus EPS estimate for the next fiscal year
PEGPE ÷ earnings growth rate — values below 1.0 suggest growth may justify the premium
Figures tie to SEC 10-K/10-Q and FMP ratio endpoints where noted.

Frequently asked questions

IRM pe ratio · 6 questions

IRM's current PE ratio is 135.90x as of 2026-06-08, based on a stock price of $126.07 and TTM EPS of $0.92. Data sourced from Financial Modeling Prep via IRM's SEC 10-K and 10-Q filings.

IRM PE ratioWhat is IRM PE ratioCurrent PE ratio of IRMIRM PE ratio today

Source: FMP · /ratios-ttm · /ratios annual · /analyst-estimates · /stock-peers · Iron Mountain Incorporated SEC 10-K & 10-Q filings · US GAAP · Updated: 2026-06-08