Companies / Iron Mountain Inc / Activity

Activity — Iron Mountain Inc

291 moves.

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InsidersInstitutions
DateActorActionSecurityValueShares ΔPosition afterImpact
Q1 2026
as of
Norges Bank
13F manager
ExitCommon stock$-368.89M-4.4M
-100.00%
0
high
Q2 2026
as of
State Street Corporation
13F manager
AddCommon stock$94.76M+745K
+4.41%
17,634,044
5.92% of shares
high
Q1 2026
as of
AQR Capital Management, LLC
13F manager
AddCommon stock$91.52M+923K
+99.97%
1,846,073
0.62% of shares
high
Q2 2026
as of
BlackRock, Inc.
13F manager
AddCommon stock$82.26M+651K
+1.98%
33,570,910
11.28% of shares
high
Q2 2026
as of
Deutsche Bank AG
13F manager
AddCommon stock$64.05M+507K
+19.95%
3,049,079
1.02% of shares
high
Q4 2025
as of
Norges Bank
13F manager
AddCommon stock$62.68M+756K
+20.47%
4,447,133
1.49% of shares
high
Q1 2026
as of
Bamco Inc /Ny
13F manager
NewCommon stock$53.65M+525K
525,270
0.18% of shares
high
Q1 2026
as of
Clark Capital Management Group, Inc.
13F manager
NewCommon stock$47.84M+468K
468,365
0.16% of shares
medium
Q2 2026
as of
Centersquare Investment Management LLC
13F manager
TrimCommon stock$-38.84M-307K
-11.68%
2,323,974
0.78% of shares
medium
Q1 2026
as of
Principal Financial Group Inc
13F manager
AddCommon stock$36.62M+358K
+8.52%
4,566,093
1.53% of shares
medium
Q1 2023
as of
Barclays PLC
13F manager
TrimCommon stock$-32.57M-616K
-65.94%
317,976
0.11% of shares
medium
Q1 2026
as of
Amundi
13F manager
TrimCommon stock$-24.73M-242K
-18.15%
1,091,574
0.37% of shares
medium
Q1 2026
as of
Public Employees Retirement System of Ohio
13F manager
AddCommon stock$23.72M+232K
+121.25%
423,714
0.14% of shares
medium
Q1 2026
as of
Heitman Real Estate Securities LLC
13F manager
TrimCommon stock$-23.59M-231K
-47.08%
259,594
0.09% of shares
medium
Q4 2025
as of
Bank of America Corp /De
13F manager
AddCommon stock$23.42M+282K
+23.00%
1,510,345
0.51% of shares
medium
Q1 2026
as of
Cbre Investment Management Listed Real Assets LLC
13F manager
TrimCommon stock$-21.31M-209K
-14.43%
1,237,915
0.42% of shares
medium
Q1 2025
as of
Barclays PLC
13F manager
AddCommon stock$20.53M+239K
+58.86%
644,046
0.22% of shares
medium
Q3 2025
as of
Barclays PLC
13F manager
AddCommon stock$20.00M+196K
+36.09%
739,890
0.25% of shares
medium
Q1 2026
as of
Geode Capital Management, LLC
13F manager
AddCommon stock$19.69M+193K
+2.33%
8,486,127
2.85% of shares
medium
Q4 2024
as of
Barclays PLC
13F manager
TrimCommon stock$-19.54M-186K
-31.44%
405,421
0.14% of shares
medium
Q1 2026
as of
Hudson Bay Capital Management LP
13F manager
NewCommon stock$19.50M+191K
190,884
0.06% of shares
medium
Q2 2026
as of
Mitsubishi UFJ Asset Management Co., Ltd.
13F manager
AddCommon stock$18.07M+143K
+17.04%
982,596
0.33% of shares
medium
Q1 2026
as of
Regions Financial Corp
13F manager
TrimCommon stock$-17.89M-175K
-81.59%
39,516
0.01% of shares
medium
Q2 2023
as of
Barclays PLC
13F manager
AddCommon stock$16.00M+282K
+88.57%
599,593
0.20% of shares
medium
Q1 2024
as of
Barclays PLC
13F manager
TrimCommon stock$-14.87M-185K
-24.01%
586,904
0.20% of shares
medium
Q4 2023
as of
Barclays PLC
13F manager
AddCommon stock$14.54M+208K
+36.82%
772,320
0.26% of shares
medium
Q1 2026
as of
Royal Bank of Canada
13F manager
AddCommon stock$12.75M+125K
+9.71%
1,410,720
0.47% of shares
medium
Q1 2026
as of
APG Asset Management US Inc.
13F manager
AddCommon stock$12.29M+122K
+20.91%
703,912
0.24% of shares
medium
Q1 2026
as of
Millennium Management LLC
13F manager
TrimCommon stock$-11.70M-115K
-23.42%
374,463
0.13% of shares
medium
Q1 2026
as of
Two Sigma Investments, LP
13F manager
TrimCommon stock$-11.33M-111K
-38.24%
179,202
0.06% of shares
medium
Q1 2026
as of
Prudential Financial Inc
13F manager
AddCommon stock$10.78M+106K
+4.57%
2,416,063
0.81% of shares
medium
Q2 2025
as of
Barclays PLC
13F manager
TrimCommon stock$-10.29M-100K
-15.58%
543,696
0.18% of shares
medium
Q1 2026
as of
Balyasny Asset Management L.P.
13F manager
TrimCommon stock$-7.98M-78K
-37.77%
128,692
0.04% of shares
medium
Q1 2026
as of
Intech Investment Management LLC
13F manager
TrimCommon stock$-7.35M-72K
-76.36%
22,268
<0.01% of shares
medium
Q1 2026
as of
CPPIB Crestone Peak Resources Canada Inc.
13F manager
ExitCommon stock$-7.31M-88K
-100.00%
0
medium
Q1 2026
as of
Polar Asset Management Partners Inc.
13F manager
ExitCommon stock$-7.17M-86K
-100.00%
0
medium
Q1 2026
as of
Adage Capital Partners Gp, L.L.C.
13F manager
TrimCommon stock$-6.82M-67K
-10.17%
590,052
0.20% of shares
medium
Q1 2026
as of
Federated Hermes Inc
13F manager
AddCommon stock$6.74M+66K
+44.52%
214,126
0.07% of shares
medium
Q1 2026
as of
Mariner, LLC
13F manager
AddCommon stock$6.71M+66K
+103.71%
129,019
0.04% of shares
medium
Q1 2026
as of
Bank of New York Mellon Corp/The
13F manager
TrimCommon stock$-6.25M-61K
-3.63%
1,624,836
0.55% of shares
medium
Q2 2026
as of
Forsta Ap-Fonden
13F manager
ExitCommon stock$-5.88M-71K
-100.00%
0
medium
Q1 2026
as of
Peak6 LLC
13F manager
AddCommon stock$5.62M+55K
+1035.75%
60,388
0.02% of shares
medium
Q1 2026
as of
BNP Paribas Financial Markets
13F manager
TrimCommon stock$-5.49M-54K
-9.56%
508,511
0.17% of shares
medium
Q3 2024
as of
Barclays PLC
13F manager
TrimCommon stock$-5.43M-46K
-7.17%
591,302
0.20% of shares
medium
Q3 2025
as of
Alberta Investment Management Corp
13F manager
ExitCommon stock$-4.61M-45K
-100.00%
0
low
Q1 2026
as of
Brookfield Corporation
13F manager
AddCommon stock$4.59M+45K
+31.35%
188,255
0.06% of shares
low
Q2 2024
as of
Barclays PLC
13F manager
AddCommon stock$4.49M+50K
+8.53%
636,961
0.21% of shares
low
Q1 2026
as of
Victory Capital Management, Inc.
13F manager
AddCommon stock$4.00M+39K
+19.67%
238,190
0.08% of shares
low
Q1 2026
as of
Commonwealth of Pennsylvania Public School Empls Retrmt Sys
13F manager
AddCommon stock$3.84M+38K
+22.83%
202,316
0.07% of shares
low
Q2 2026
as of
Victory Capital Management, Inc.
13F manager
AddCommon stock$3.79M+30K
+12.60%
268,209
0.09% of shares
low
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