Iron Mountain Inc. (IRM)

IRM · Real Estate · United States

Iron Mountain Inc. (IRM) is a company in the Real Estate sector, based in United States. The stock is held in 16 ETFs we track – with its largest weight of 0.05 % in SPYL (sp500). Anyone holding one of these ETFs also owns a small indirect stake in Iron Mountain.

Above-average ETF coverage: 16 of the 95 ETFs we cover hold Iron Mountain, spread across 7 indices. That puts the stock in more ETFs than 76.4 % of the 4,334 stocks we cover.

Held in16 ETFs

Highest weight0.05 %

Indices7

SectorReal Estate

CountryUnited States

ISINUS46284V1017

WKNA14MS9

Data note 1

Price chart

Data note 2

Performance

Performance
Year to date	+35.2 %	1 year	+11.8 %
1 month	-13.7 %	3 months	-10.6 %
Calendar year 2025	-21.1 %

52W

Data note 3

Measured in euros, Iron Mountain returned +37.7 % year to date and +14.4 % over one year. The gap to the dollar figures above comes from the exchange rate alone: each daily price is converted at the ECB euro reference rate for the same day.

Data note 4

Risk metrics

Max drawdown-40.0 %

Volatility p.a.32.5 %

Data note 5

Below peak-15.7 %

Beta to S&P 5001.10

Correlation to S&P 5000.43

The close on Sep 16, 2026 was 15.7 % below the highest close since Aug 12, 2024, reached on Jun 23, 2026. Over the last 252 trading days, on days when the S&P 500 rose or fell 1 %, Iron Mountain moved on average 1.10 % in the same direction. The correlation of 0.43 shows how reliable that average is: the broad market explained part of the daily moves, but far from all.

Data note 6

Correlated with

The strongest co-movers on top, the most inverse below. Low or negative values improve portfolio diversification.

Correlated with
Instrument	r	−1 … +1
Equinix Inc.	+0.72
Digital Realty Trust Inc.	+0.70
Russell 2000	+0.52
AMETEK Inc.	+0.52
Emerson Electric Co.	+0.51
Caterpillar Inc.	+0.50
McDonald's Corporation	-0.35
Coca-Cola Company	-0.34
Netflix Inc.	-0.33

Data note 7

Key financials

Latest reported fiscal year (FY2025, period end 2025-12-31) as filed with the SEC.

Revenue6.9 bn $

Diluted EPS0.49 $

Equity ratio-4.6 %

Revenue growth+12.2 %

Revenue and profit by fiscal year
Fiscal year	Revenue	Net income	Margin
FY2023	5.5	–	–
FY2024	6.1	–	–
FY2025	6.9	–	–

Data note 8

Held in these ETFs

Held in these ETFs
ETF	Index	Weight	per €1,000 in the ETF
SPYL / SPY5	sp500	0.05 %	€0.50
SXR8	sp500	0.05 %	€0.50
XD9U / XD9D	msci-usa	0.05 %	€0.50
XDEM	msci-world-momentum	0.05 %	€0.50
SWWD	msci-world	0.04 %	€0.40
EUNL	msci-world	0.04 %	€0.40
IUSQ	msci-acwi	0.04 %	€0.40
SPPW	msci-world	0.04 %	€0.40
XDWD / XDWL	msci-world	0.04 %	€0.40
WIMI	msci-world-imi	0.03 %	€0.30
SPYY	msci-acwi	0.03 %	€0.30
SPYI / SPSA	msci-acwi-imi	0.02 %	€0.20

Data note 9

The last column turns the weight into euros: this much of €1,000 invested in one of these funds is allocated to Iron Mountain as of the fund's latest holdings list.

Weight in EUNL since 2019

Sep 30, 2019Sep 16, 2026

In EUNL, a fund tracking the MSCI World, Iron Mountain had a weight of 0.02 % on Sep 30, 2019 and 0.04 % on Sep 16, 2026. Its share peaked at 0.05 % on Sep 30, 2024. The weight rises and falls with the stock's price relative to the other index members, and it also shifts when the index provider changes the composition.

Data note 10

How much Iron Mountain Inc. overlaps with other holdings in a portfolio is shown by the Portfolio X-Ray and the ETF overlap check.

Stocks with similar ETF exposure

Names that reach a portfolio through largely the same funds as Iron Mountain — the figure counts the ETFs holding both.

Data note 11

Key figures side by side

Key figures compared with stocks of similar ETF exposure
Stock	1 year	Volatility p.a.	Net margin	Revenue growth
Iron Mountain	+11.8 %	32.5 %	–	+12.2 %
Equinix	+30.4 %	25.6 %	14.6 %	+5.4 %
Ventas	+29.6 %	21.9 %	–	+18.5 %
Welltower	+41.9 %	22.0 %	11.1 %	+40.2 %
Essex Property Trust	+2.2 %	22.5 %	–	-8.6 %
Extra Space Storage	-4.9 %	24.5 %	752.3 %	+7.1 %
Invitation Homes	-7.9 %	21.0 %	21.5 %	+4.2 %
Kimco Realty Corporation	+2.2 %	20.6 %	25.9 %	+5.1 %
Realty Income Corporation	-4.7 %	17.3 %	18.4 %	+9.1 %

Return and volatility from our daily closing prices in US dollars; margin and growth from the latest SEC annual filing. Fiscal years do not all end on the same date.