Shell Asset Management’s Iron Mountain IRM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
$871K Sell
8,544
-28,870
-77% -$2.78M 0.09% 255
2025
Q2
$3.84M Buy
37,414
+7,917
+27% +$746K 0.13% 155
2025
Q1
$2.54M Sell
29,497
-7,347
-20% -$708K 0.12% 166
2024
Q4
$3.87M Sell
36,844
-3,907
-10% -$459K 0.17% 105
2024
Q3
$4.84M Buy
+40,751
New +$4.36M 0.21% 88
2024
Q1
$4M Buy
44,646
+6,912
+18% +$500K 0.18% 97
2023
Q4
$2.64M Sell
37,734
-9,812
-21% -$616K 0.12% 174
2023
Q3
$2.83M Sell
47,546
-753
-2% -$46K 0.12% 181
2023
Q2
$2.74M Buy
48,299
+2,730
+6% +$149K 0.11% 191
2023
Q1
$2.41M Sell
45,569
-133
-0.3% -$6.97K 0.1% 208
2022
Q4
$2.28M Buy
45,702
+5,020
+12% +$253K 0.1% 216
2022
Q3
$1.79M Sell
40,682
-9,842
-19% -$497K 0.07% 266
2022
Q2
$2.46M Buy
50,524
+1,545
+3% +$81.3K 0.07% 262
2022
Q1
$2.71M Buy
48,979
+1,998
+4% +$95.2K 0.06% 273
2021
Q4
$2.46M Buy
46,981
+7,243
+18% +$342K 0.05% 316
2021
Q3
$1.73M Buy
39,738
+3,939
+11% +$177K 0.04% 365
2021
Q2
$1.51M Sell
35,799
-7,340
-17% -$308K 0.03% 426
2021
Q1
$1.6M Buy
43,139
+8,225
+24% +$275K 0.03% 402
2020
Q4
$1.03M Buy
34,914
+6,345
+22% +$176K 0.02% 502
2020
Q3
$765K Hold
28,569
0.02% 525
2020
Q2
$746K Buy
28,569
+1,756
+7% +$44.3K 0.02% 519
2020
Q1
$638K Sell
26,813
-2,300
-8% -$69.6K 0.02% 568
2019
Q4
$928K Buy
29,113
+14,559
+100% +$477K 0.02% 576
2019
Q3
$471K Hold
14,554
0.01% 931
2019
Q2
$456K Sell
14,554
-3,632
-20% -$119K 0.01% 956
2019
Q1
$645K Hold
18,186
0.01% 788
2018
Q4
$589K Sell
18,186
-5,822
-24% -$191K 0.01% 781
2018
Q3
$829K Buy
24,008
+9,504
+66% +$339K 0.02% 770
2018
Q2
$508K Buy
14,504
+899
+7% +$30.4K 0.01% 928
2018
Q1
$447K Hold
13,605
0.01% 943
2017
Q4
$513K Buy
13,605
+1,961
+17% +$77.8K 0.01% 902
2017
Q3
$453K Sell
11,644
-4,028
-26% -$151K 0.01% 902
2017
Q2
$538K Hold
15,672
0.01% 883
2017
Q1
$559K Buy
15,672
+285
+2% +$10.1K 0.01% 856
2016
Q4
$500K Buy
15,387
+128
+0.8% +$4.25K 0.01% 878
2016
Q3
$573K Sell
15,259
-2,490
-14% -$96K 0.01% 813
2016
Q2
$707K Buy
17,749
+5,783
+48% +$210K 0.02% 656
2016
Q1
$406K Buy
11,966
+4,357
+57% +$125K 0.01% 739
2015
Q4
$206K Buy
+7,609
New +$223K ﹤0.01% 820
2015
Q3
Sell
-15,473
Closed -$480K 872
2015
Q2
$480K Sell
15,473
-601
-4% -$21K 0.01% 771
2015
Q1
$586K Sell
16,074
-4,821
-23% -$186K 0.01% 757
2014
Q4
$808K Buy
20,895
+2,345
+13% +$85.3K 0.01% 741
2014
Q3
$606K Sell
18,550
-1,527
-8% -$49.5K 0.01% 775
2014
Q2
$658K Sell
20,077
-5,816
-22% -$158K 0.01% 780
2014
Q1
$660K Hold
25,893
0.01% 765
2013
Q4
$726K Sell
25,893
-11,911
-32% -$305K 0.01% 747
2013
Q3
$944K Sell
37,804
-7,052
-16% -$179K 0.02% 714
2013
Q2
$1.1M Buy
+44,856
New +$1.45M 0.02% 667

Other funds holding IRM

Shell Asset Management's IRM Position: Q3 2025 in Review

Shell Asset Management reduced its Iron Mountain (IRM) stake by 77% in Q3 2025, selling an estimated $2.78M and leaving 8,544 shares worth $871K. The position accounts for 0.09% of the portfolio, ranked #255.

Shell Asset Management first reported a position in IRM in Q2 2013 and has held it in 48 quarters since. The position peaked at $4.84M in Q3 2024. 1,016 funds tracked by Wall St. Rank hold IRM as of Q3 2025.

  • Shell Asset Management held 8,544 shares of Iron Mountain worth $871K as of Q3 2025.
  • Shell Asset Management sold 28,870 Iron Mountain shares in Q3 2025, an estimated $2.78M.
  • Iron Mountain made up 0.09% of Shell Asset Management's portfolio in Q3 2025, its #255 holding.
  • Shell Asset Management first reported a position in Iron Mountain in Q2 2013 and has held it in 48 quarters since.
  • Shell Asset Management's Iron Mountain position peaked at $4.84M in Q3 2024.
  • 1,016 funds tracked by Wall St. Rank held Iron Mountain as of Q3 2025.

Based on Shell Asset Management's 13F filing for Q3 2025, filed 7 Nov 2025.