Horizon Kinetics Asset Management’s Iron Mountain IRM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$3.33M Hold
32,455
0.04% 90
2025
Q1
$2.79M Sell
32,455
-445
-1% -$38.3K 0.03% 102
2024
Q4
$3.46M Sell
32,900
-1,550
-4% -$163K 0.04% 88
2024
Q3
$4.09M Buy
34,450
+10,350
+43% +$1.23M 0.06% 80
2024
Q2
$2.16M Sell
24,100
-400
-2% -$35.8K 0.04% 99
2024
Q1
$1.97M Sell
24,500
-1,950
-7% -$156K 0.04% 104
2023
Q4
$1.85M Sell
26,450
-908
-3% -$63.5K 0.04% 103
2023
Q3
$1.63M Hold
27,358
0.03% 113
2023
Q2
$1.55M Hold
27,358
0.03% 119
2023
Q1
$1.45M Sell
27,358
-150
-0.5% -$7.94K 0.03% 123
2022
Q4
$1.37M Hold
27,508
0.02% 124
2022
Q3
$1.21M Sell
27,508
-50
-0.2% -$2.2K 0.02% 129
2022
Q2
$1.34M Sell
27,558
-100
-0.4% -$4.87K 0.03% 133
2022
Q1
$1.53M Buy
27,658
+2,450
+10% +$136K 0.03% 140
2021
Q4
$1.32M Buy
25,208
+350
+1% +$18.3K 0.03% 158
2021
Q3
$1.08M Sell
24,858
-1,800
-7% -$78.2K 0.03% 170
2021
Q2
$1.13M Hold
26,658
0.02% 168
2021
Q1
$987K Buy
26,658
+1,850
+7% +$68.5K 0.02% 176
2020
Q4
$731K Buy
24,808
+4,320
+21% +$127K 0.02% 197
2020
Q3
$549K Buy
20,488
+4,130
+25% +$111K 0.02% 229
2020
Q2
$427K Sell
16,358
-2,400
-13% -$62.6K 0.02% 250
2020
Q1
$446K Buy
18,758
+9,700
+107% +$231K 0.02% 225
2019
Q4
$289K Buy
+9,058
New +$289K 0.01% 349