Iron Mountain Inc

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Iron Mountain Inc
TickerIRM
CIK #0001020569
CUSIP462846106
SectorEnergy & Transportation - Public Warehousing & Storage
Address745 Atlantic Avenue, Boston, MA 02111
Source [EDGAR]
CIK Filing 2011 - 2026
[0001020569] 10-K
[0001020569] 10-Q
[0001020569] 3
[0001020569] 4
[0001020569] 5
[0001020569] 8-K
[0001020569] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
State Street Corp Iron Mountain Inc [2024-10-17] 5.7
Cohen & Steers Inc Iron Mountain Inc [2024-02-14] 7.85
Price T Rowe Associates Inc /MD/ Iron Mountain Inc [2016-02-12] 7.0
Capital International Investors Iron Mountain Inc [2016-02-12] 6.9
BlackRock Inc Iron Mountain Inc [2016-01-28] 6.3
Parnassus Investments /CA Iron Mountain Inc [2015-02-12] 5.03
Vanguard Specialized Funds Iron Mountain Inc [2015-02-06] 5.8
BlackRock Inc Iron Mountain Inc [2015-02-02] 6.2
Vanguard Group Inc Iron Mountain Inc [2014-02-11] 6.07
Capital World Investors Iron Mountain Inc [2012-11-09] 10.7
Highfields Capital Management LP Iron Mountain Inc [2012-08-02] 5.4
Janus Capital Management LLC Iron Mountain Inc [2012-02-14] 7.2
BlackRock Inc Iron Mountain Inc [2012-02-09] 5.05
Vanguard Group Inc Iron Mountain Inc [2012-02-08] 5.94
Form 3/4/5 Filer 2011 - 2026
Meaney William L
Iron Mountain Inc
McIntosh Greg W
Kidd Mark
Matlock Robin
Samuels Theodore R. II
Simons Doyle
Bailey Clark H
Rakowich Walter C
Ford Monte E
Felix June Yee
Dauten Kent P
Arway Pamela M
Allerton Jennifer
Hytinen Barry
Altamura Michelle Vervais
Borges Daniel
Bhargava Mithu
Johns Jemma
Baker-Greene Edward
Murdock Wendy J.
Marson Deborah
Tomovcsik John
Maciel Andre
Hwang Wing Cheung
Verrecchia Alfred J
Evens Deirdre
Halvorsen KRIS
Cloutier Ernest W
Deninger Paul F
Antenucci Ted R
Russo Fidelma
Keddy Patrick J
Brown Stuart B
MacLean Theodore
Bicks Edward
Jeffries Emma
Allen Peter A
Fox Raymond
Sweeney Eileen
Chatfield Neil
Duale Marc A
Tsolakis Anastasios
Day Roderick
Lamach Michael W
Drapeau Anne S
Ryan Vincent J
Little Arthur D
Ebbighausen Harold E
Tucker Laurie Anne
McKeon Brian P
Reese C Richard
Loren Allan Z
Form 13F Holdings
Firm Period DFND Voting Shares
Vanguard Group Inc [2025-06-30] SOLE 0 45,485,034
BlackRock, Inc. [2025-06-30] SOLE 28,490,587 31,278,337
State Street Corp [2025-06-30] DFND 9,664,377 16,809,643
Geode Capital Management LLC [2025-06-30] DFND 8,028,465 8,086,718
FMR LLC [2025-06-30] DFND 6,343,849 6,697,419
Invesco Ltd. [2025-06-30] DFND 0 4,289,583
Norges Bank [2025-06-30] SOLE 4,089,466 4,089,466
Dimensional Fund Advisors LP [2025-06-30] SOLE 3,989,131 4,022,952
Northern Trust Corp [2025-06-30] DFND 3,889,383 3,901,221
Charles Schwab Investment Management Inc [2025-06-30] SOLE 3,625,707 3,625,808
Morgan Stanley [2025-06-30] DFND 2,359,852 3,506,483
Deutsche Bank AG [2025-06-30] DFND 493,129 3,421,903
Legal & General Group Plc [2025-06-30] DFND 3,085,308 3,283,276
Principal Financial Group Inc [2025-06-30] DFND 2,584,856 2,584,856
Pictet Asset Management Holding SA [2025-06-30] SOLE 2,325,213 2,475,671
Contour Asset Management LLC [2025-06-30] SOLE 2,335,348 2,335,348
Capital World Investors [2025-06-30] DFND 2,117,169 2,117,169
Nuveen, LLC [2025-06-30] DFND 2,020,567 2,054,789
CenterSquare Investment Management LLC [2025-06-30] DFND 2,030,916 2,030,916
Royal Bank of Canada [2025-06-30] DFND 1,955,727 1,971,328
JPMorgan Chase & Co [2025-06-30] DFND 1,561,045 1,962,852
Prudential Financial Inc [2025-06-30] DFND 1,320,506 1,945,769
Goldman Sachs Group Inc [2025-06-30] DFND 1,728,957 1,879,971
UBS Group AG [2025-06-30] DFND 1,621,875 1,800,227
Bank of New York Mellon Corp [2025-06-30] DFND 1,347,677 1,707,444
Ameriprise Financial Inc [2025-06-30] DFND 0 1,705,824
Amundi [2025-06-30] DFND 1,600,818 1,600,818
Vanguard Group Inc [2025-06-30] DFND 2,100 1,579,853
PGGM Investments [2025-06-30] SOLE 1,565,792 1,565,792
Wellington Management Group LLP [2025-06-30] DFND 0 1,493,923
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