Iron Mountain Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

DB:I5M Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
04 Mar 25	Sell€20,176,009	William Meaney	Individual	237,402	€87.68
03 Mar 25	Sell€543,517	Daniel Borges	Individual	6,145	€88.45
03 Mar 25	Sell€9,043,148	William Meaney	Individual	103,427	€88.16
23 Dec 24	Sell€830,419	Mithu Bhargava	Individual	8,263	€100.50
17 Sep 24	Sell€889,812	Wendy Murdock	Individual	8,500	€104.68
03 Sep 24	Sell€368,023	Deborah Marson	Individual	3,600	€102.23
20 Aug 24	Sell€223,603	Edward Baker-Greene	Individual	2,262	€98.85
19 Aug 24	Sell€99,451	John Tomovcsik	Individual	1,000	€99.45
01 Aug 24	Sell€279,022	John Tomovcsik	Individual	2,866	€97.36
16 Jul 24	Sell€229,725	John Tomovcsik	Individual	2,500	€91.89
20 Jun 24	Sell€511,179	Edward Baker-Greene	Individual	6,200	€82.45
20 Jun 24	Sell€2,906,025	John Tomovcsik	Individual	35,084	€83.44
18 Jun 24	Sell€740,029	Barry Hytinen	Individual	9,000	€82.23
17 Jun 24	Sell€250,626	Daniel Borges	Individual	3,095	€80.98
13 Jun 24	Sell€812,039	Greg McIntosh	Individual	10,000	€81.20
05 Jun 24	Sell€71,405	Walter Rakowich	Individual	954	€74.85

Insider Trading Volume

Insider Buying: I5M insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of I5M?
Owner Type	Number of Shares	Ownership Percentage
State or Government	303,144	0.103%
Individual Insiders	2,322,334	0.787%
General Public	45,004,722	15.3%
Institutions	247,413,696	83.9%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 58.05% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
15.9%	The Vanguard Group, Inc.	46,825,734	€4.2b	0.47%	0.07%
11.9%	BlackRock, Inc.	35,150,238	€3.1b	9.8%	0.05%
5.66%	State Street Global Advisors, Inc.	16,705,119	€1.5b	0.5%	0.06%
4.57%	Cohen & Steers Capital Management, Inc.	13,481,902	€1.2b	-9.57%	2.3%
2.81%	Geode Capital Management, LLC	8,283,383	€742.1m	4.69%	0.05%
1.74%	FMR LLC	5,143,643	€460.8m	863%	0.03%
1.45%	Northern Trust Global Investments	4,267,324	€382.3m	-1.37%	0.06%
1.44%	Dimensional Fund Advisors LP	4,256,417	€381.3m	0.88%	0.06%
1.18%	Charles Schwab Investment Management, Inc.	3,487,479	€312.4m	0.25%	0.05%
1.12%	Norges Bank Investment Management	3,313,186	€296.8m	0%	0.02%
1.08%	Legal & General Investment Management Limited	3,183,998	€285.3m	0.05%	0.07%
0.97%	Daiwa Asset Management Co., Ltd.	2,855,198	€255.8m	-6.38%	0.19%
0.84%	Pictet Asset Management Limited	2,476,597	€221.9m	6.34%	0.17%
0.79%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	2,343,005	€209.9m	0%	0.05%
0.76%	Invesco Capital Management LLC	2,240,694	€200.7m	16.4%	0.08%
0.72%	Capital Research and Management Company	2,117,169	€189.7m	-44.5%	0.01%
0.63%	RREEF America L.L.C.	1,849,011	€165.7m	-14%	1.1%
0.62%	BNY Asset Management	1,840,756	€164.9m	-2.44%	0.03%
0.61%	Morgan Stanley, Investment Banking and Brokerage Investments	1,788,721	€160.3m	-3.16%	0.02%
0.6%	Russell Investment Management, LLC	1,771,114	€158.7m	-4.56%	0.2%
0.58%	CenterSquare Investment Management LLC	1,703,174	€152.6m	20%	2.01%
0.54%	PGGM	1,597,968	€143.2m	47.4%	1.83%
0.53%	UBS Asset Management AG	1,571,509	€140.8m	18.2%	0.01%
0.53%	Columbia Management Investment Advisers, LLC	1,554,684	€139.3m	-2.24%	0.04%
0.5%	Eaton Vance Management	1,463,079	€131.1m	6.2%	0.03%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/05/20 16:42
End of Day Share Price	2025/05/20 00:00
Earnings	2025/03/31
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Iron Mountain Incorporated is covered by 28 analysts. 9 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Andrew Wittmann	Baird
Brendan Lynch	Barclays
Gary Bisbee	Barclays