Bank of Montreal’s Iron Mountain IRM Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $41.5M | Sell |
406,013
-30,332
| -7% | -$3.02M | 0.02% | 601 |
|
|
2025
Q4 | $36.2M | Buy |
436,345
+38,165
| +10% | +$3.57M | 0.01% | 666 |
|
|
2025
Q3 | $40.6M | Buy |
398,180
+31,746
| +9% | +$3.06M | 0.02% | 564 |
|
|
2025
Q2 | $37.6M | Sell |
366,434
-52,102
| -12% | -$4.91M | 0.02% | 515 |
|
|
2025
Q1 | $36M | Sell |
418,536
-212,173
| -34% | -$20.4M | 0.02% | 527 |
|
|
2024
Q4 | $66.3M | Sell |
630,709
-8,276
| -1% | -$972K | 0.03% | 385 |
|
|
2024
Q3 | $74.6M | Buy |
638,985
+18,476
| +3% | +$1.98M | 0.03% | 366 |
|
|
2024
Q2 | $55M | Buy |
620,509
+40,328
| +7% | +$3.26M | 0.02% | 434 |
|
|
2024
Q1 | $46.5M | Sell |
580,181
-28,037
| -5% | -$2.03M | 0.01% | 461 |
|
|
2023
Q4 | $43M | Buy |
608,218
+61,509
| +11% | +$3.86M | 0.01% | 533 |
|
|
2023
Q3 | $34.6M | Sell |
546,709
-34,578
| -6% | -$2.11M | 0.01% | 533 |
|
|
2023
Q2 | $33M | Buy |
581,287
+83,869
| +17% | +$4.59M | 0.01% | 541 |
|
|
2023
Q1 | $26.3M | Sell |
497,418
-799,074
| -62% | -$41.9M | 0.01% | 584 |
|
|
2022
Q4 | $71.4M | Buy |
1,296,492
+830,061
| +178% | +$41.9M | 0.03% | 305 |
|
|
2022
Q3 | $25.8K | Buy |
466,431
+19,691
| +4% | +$994K | 0.01% | 597 |
|
|
2022
Q2 | $22K | Sell |
446,740
-288,273
| -39% | -$15.2M | 0.01% | 723 |
|
|
2022
Q1 | $40.8M | Buy |
735,013
+322,238
| +78% | +$15.3M | 0.02% | 540 |
|
|
2021
Q4 | $21.8M | Sell |
412,775
-57,724
| -12% | -$2.73M | 0.01% | 714 |
|
|
2021
Q3 | $20.9M | Buy |
470,499
+55,454
| +13% | +$2.5M | 0.01% | 910 |
|
|
2021
Q2 | $17.9M | Buy |
415,045
+185,231
| +81% | +$7.77M | 0.01% | 961 |
|
|
2021
Q1 | $8.59M | Sell |
229,814
-17,111
| -7% | -$572K | 0.01% | 1097 |
|
|
2020
Q4 | $6.92M | Buy |
246,925
+90,615
| +58% | +$2.51M | ﹤0.01% | 1219 |
|
|
2020
Q3 | $4.24M | Sell |
156,310
-64,974
| -29% | -$1.85M | ﹤0.01% | 1301 |
|
|
2020
Q2 | $5.79M | Buy |
221,284
+9,802
| +5% | +$248K | 0.01% | 1097 |
|
|
2020
Q1 | $4.55M | Sell |
211,482
-93,957
| -31% | -$2.84M | 0.01% | 1024 |
|
|
2019
Q4 | $9.73M | Sell |
305,439
-93,023
| -23% | -$3.05M | 0.01% | 997 |
|
|
2019
Q3 | $12.9M | Sell |
398,462
-122,887
| -24% | -$3.86M | 0.01% | 776 |
|
|
2019
Q2 | $16.3M | Buy |
521,349
+175,701
| +51% | +$5.76M | 0.01% | 710 |
|
|
2019
Q1 | $12.3M | Buy |
345,648
+21,510
| +7% | +$760K | 0.01% | 781 |
|
|
2018
Q4 | $10.5M | Buy |
324,138
+3,181
| +1% | +$104K | 0.01% | 761 |
|
|
2018
Q3 | $11.1M | Buy |
320,957
+4,962
| +2% | +$177K | 0.01% | 862 |
|
|
2018
Q2 | $11.1M | Sell |
315,995
-53,055
| -14% | -$1.79M | 0.01% | 852 |
|
|
2018
Q1 | $12.1M | Buy |
369,050
+69,405
| +23% | +$2.34M | 0.01% | 783 |
|
|
2017
Q4 | $11.3M | Buy |
299,645
+119,380
| +66% | +$4.74M | 0.01% | 812 |
|
|
2017
Q3 | $7.01M | Buy |
180,265
+10,419
| +6% | +$389K | 0.01% | 1003 |
|
|
2017
Q2 | $5.84M | Buy |
169,846
+13,242
| +8% | +$463K | 0.01% | 1092 |
|
|
2017
Q1 | $5.58M | Buy |
156,604
+4,075
| +3% | +$144K | 0.01% | 1023 |
|
|
2016
Q4 | $5.03M | Sell |
152,529
-8,313
| -5% | -$276K | 0.01% | 1085 |
|
|
2016
Q3 | $6.04M | Sell |
160,842
-382,580
| -70% | -$14.8M | 0.01% | 1029 |
|
|
2016
Q2 | $21.6M | Buy |
543,422
+224,981
| +71% | +$8.19M | 0.02% | 517 |
|
|
2016
Q1 | $10.8M | Buy |
318,441
+176,716
| +125% | +$5.08M | 0.01% | 713 |
|
|
2015
Q4 | $3.83M | Buy |
141,725
+90,016
| +174% | +$2.64M | ﹤0.01% | 1097 |
|
|
2015
Q3 | $1.6M | Buy |
51,709
+4,424
| +9% | +$132K | ﹤0.01% | 1385 |
|
|
2015
Q2 | $1.47M | Buy |
47,285
+4,819
| +11% | +$169K | ﹤0.01% | 1501 |
|
|
2015
Q1 | $1.55M | Sell |
42,466
-49,036
| -54% | -$1.89M | ﹤0.01% | 1458 |
|
|
2014
Q4 | $3.54M | Sell |
91,502
-64,722
| -41% | -$2.35M | ﹤0.01% | 1169 |
|
|
2014
Q3 | $5.1M | Buy |
156,224
+5,429
| +4% | +$176K | 0.01% | 1075 |
|
|
2014
Q2 | $4.94M | Buy |
150,795
+55,529
| +58% | +$1.51M | 0.01% | 1088 |
|
|
2014
Q1 | $2.43M | Buy |
95,266
+33,926
| +55% | +$868K | ﹤0.01% | 1249 |
|
|
2013
Q4 | $1.72M | Buy |
61,340
+30,189
| +97% | +$773K | ﹤0.01% | 1242 |
|
|
2013
Q3 | $778K | Sell |
31,151
-522
| -2% | -$13.3K | ﹤0.01% | 1571 |
|
|
2013
Q2 | $779K | Buy |
+31,673
| New | +$1.02M | ﹤0.01% | 1518 |
|
Other funds holding IRM
VPM
VCM
Bank of Montreal's IRM Position: Q1 2026 in Review
Bank of Montreal reduced its Iron Mountain (IRM) stake by 7% in Q1 2026, selling an estimated $3.02M and leaving 406,013 shares worth $41.5M. The position accounts for 0.02% of the portfolio, ranked #601.
Bank of Montreal first reported a position in IRM in Q2 2013 and has held it in 52 quarters since. The position peaked at $74.6M in Q3 2024. 1,084 funds tracked by Wall St. Rank hold IRM as of Q1 2026.
- Bank of Montreal held 406,013 shares of Iron Mountain worth $41.5M as of Q1 2026.
- Bank of Montreal sold 30,332 Iron Mountain shares in Q1 2026, an estimated $3.02M.
- Iron Mountain made up 0.02% of Bank of Montreal's portfolio in Q1 2026, its #601 holding.
- Bank of Montreal first reported a position in Iron Mountain in Q2 2013 and has held it in 52 quarters since.
- Bank of Montreal's Iron Mountain position peaked at $74.6M in Q3 2024.
- 1,084 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.
Based on Bank of Montreal's 13F filing for Q1 2026, filed 13 May 2026.