Brown Brothers Harriman & Co’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
$564K Buy
5,495
+515
+10% +$52.8K ﹤0.01% 427
2025
Q1
$428K Sell
4,980
-577
-10% -$49.6K ﹤0.01% 422
2024
Q4
$584K Sell
5,557
-2,978
-35% -$313K ﹤0.01% 381
2024
Q3
$1.01M Buy
8,535
+6
+0.1% +$713 0.01% 290
2024
Q2
$764K Sell
8,529
-228
-3% -$20.4K 0.01% 320
2024
Q1
$702K Hold
8,757
0.01% 317
2023
Q4
$613K Hold
8,757
0.01% 328
2023
Q3
$521K Buy
8,757
+3,940
+82% +$234K ﹤0.01% 339
2023
Q2
$274K Sell
4,817
-3
-0.1% -$170 ﹤0.01% 425
2023
Q1
$255K Buy
4,820
+187
+4% +$9.89K ﹤0.01% 442
2022
Q4
$231K Sell
4,633
-99
-2% -$4.94K ﹤0.01% 451
2022
Q3
$208K Hold
4,732
﹤0.01% 455
2022
Q2
$230K Buy
4,732
+99
+2% +$4.81K ﹤0.01% 435
2022
Q1
$257K Sell
4,633
-24
-0.5% -$1.33K ﹤0.01% 464
2021
Q4
$244 Hold
4,657
﹤0.01% 448
2021
Q3
$202 Hold
4,657
﹤0.01% 453
2021
Q2
$197 Buy
4,657
+4
+0.1% ﹤0.01% 443
2021
Q1
$172 Buy
4,653
+24
+0.5% +$1 ﹤0.01% 444
2020
Q4
$136K Buy
+4,629
New +$136K ﹤0.01% 504
2020
Q2
Sell
-20
Closed 1082
2020
Q1
$0 Buy
+20
New ﹤0.01% 1195
2019
Q4
Sell
-125
Closed -$4K 1189
2019
Q3
$4K Buy
125
+106
+558% +$3.39K ﹤0.01% 1019
2019
Q2
$1K Sell
19
-29
-60% -$1.53K ﹤0.01% 1022
2019
Q1
$2K Buy
+48
New +$2K ﹤0.01% 953
2018
Q2
Sell
-371
Closed -$12K 837
2018
Q1
$12K Hold
371
﹤0.01% 643
2017
Q4
$14K Hold
371
﹤0.01% 708
2017
Q3
$14K Hold
371
﹤0.01% 632
2017
Q2
$13K Hold
371
﹤0.01% 638
2017
Q1
$13K Buy
371
+36
+11% +$1.26K ﹤0.01% 631
2016
Q4
$11K Hold
335
﹤0.01% 691
2016
Q3
$13K Hold
335
﹤0.01% 598
2016
Q2
$13K Sell
335
-1,000
-75% -$38.8K ﹤0.01% 601
2016
Q1
$45K Sell
1,335
-2,360
-64% -$79.6K ﹤0.01% 448
2015
Q4
$100K Hold
3,695
﹤0.01% 392
2015
Q3
$115K Buy
3,695
+1,360
+58% +$42.3K ﹤0.01% 379
2015
Q2
$72K Hold
2,335
﹤0.01% 466
2015
Q1
$85K Hold
2,335
﹤0.01% 441
2014
Q4
$90K Buy
2,335
+157
+7% +$6.05K ﹤0.01% 455
2014
Q3
$71K Sell
2,178
-179
-8% -$5.84K ﹤0.01% 472
2014
Q2
$77K Hold
2,357
﹤0.01% 462
2014
Q1
$60K Hold
2,357
﹤0.01% 472
2013
Q4
$66K Hold
2,357
﹤0.01% 425
2013
Q3
$59K Hold
2,357
﹤0.01% 448
2013
Q2
$58K Buy
+2,357
New +$58K ﹤0.01% 517