CIBC World Markets’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
Q4
$9.58M Buy
+115,456
New +$10.8M 0.05% 264
2025
Q2
$11.9M Sell
115,626
-1,851
-2% -$174K 0.07% 208
2025
Q1
$10.1M Sell
117,477
-14,237
-11% -$1.37M 0.08% 176
2024
Q4
$13.8M Buy
131,714
+14,380
+12% +$1.69M 0.08% 179
2024
Q3
$13.9M Buy
117,334
+79,544
+210% +$8.51M 0.1% 157
2024
Q2
$3.39M Sell
37,790
-82,379
-69% -$6.67M 0.02% 392
2024
Q1
$9.64M Sell
120,169
-14,285
-11% -$1.03M 0.06% 208
2023
Q4
$9.41M Buy
134,454
+118,346
+735% +$7.42M 0.05% 248
2023
Q3
$958K Sell
16,108
-18,070
-53% -$1.1M 0.01% 478
2023
Q2
$1.94M Sell
34,178
-75,068
-69% -$4.11M 0.02% 466
2023
Q1
$5.78M Sell
109,246
-18,705
-15% -$980K 0.09% 169
2022
Q4
$6.38M Buy
127,951
+4,544
+4% +$229K 0.04% 285
2022
Q3
$5.43M Sell
123,407
-21,338
-15% -$1.08M 0.08% 141
2022
Q2
$7.05M Sell
144,745
-18,618
-11% -$980K 0.07% 178
2022
Q1
$9.05M Buy
163,363
+8,294
+5% +$395K 0.07% 179
2021
Q4
$8.12M Sell
155,069
-29,339
-16% -$1.39M 0.04% 206
2021
Q3
$8.01M Buy
184,408
+53,044
+40% +$2.39M 0.05% 218
2021
Q2
$5.56M Buy
131,364
+103,865
+378% +$4.36M 0.04% 245
2021
Q1
$1.02M Sell
27,499
-204,988
-88% -$6.85M 0.01% 603
2020
Q4
$6.85M Buy
232,487
+197,790
+570% +$5.49M 0.03% 296
2020
Q3
$930K Buy
34,697
+6,421
+23% +$183K 0.01% 520
2020
Q2
$738K Buy
28,276
+7,261
+35% +$183K 0.01% 530
2020
Q1
$500K Sell
21,015
-12,943
-38% -$392K 0.01% 528
2019
Q4
$1.08M Sell
33,958
-966,940
-97% -$31.7M 0.01% 683
2019
Q3
$32.4M Sell
1,000,898
-417,157
-29% -$13.1M 0.3% 85
2019
Q2
$44.4M Buy
1,418,055
+1,380,134
+3,639% +$45.2M 0.34% 71
2019
Q1
$1.34M Sell
37,921
-2,040
-5% -$72.1K 0.01% 569
2018
Q4
$1.29M Buy
39,961
+2,250
+6% +$73.8K 0.01% 531
2018
Q3
$1.3M Sell
37,711
-2,044
-5% -$72.8K 0.01% 586
2018
Q2
$1.39M Buy
39,755
+3,272
+9% +$111K 0.01% 628
2018
Q1
$1.2M Sell
36,483
-17,621
-33% -$594K 0.01% 595
2017
Q4
$2.04M Buy
54,104
+15,589
+40% +$619K 0.01% 539
2017
Q3
$1.5M Buy
38,515
+3,804
+11% +$142K 0.01% 513
2017
Q2
$1.19M Buy
34,711
+9,077
+35% +$318K 0.01% 568
2017
Q1
$914K Buy
25,634
+8,819
+52% +$312K 0.01% 542
2016
Q4
$546K Buy
+16,815
New +$559K 0.01% 531

Other funds holding IRM

CIBC World Markets's IRM Position: Q4 2025 in Review

CIBC World Markets opened a new position in Iron Mountain (IRM) in Q4 2025: 115,456 shares worth $9.58M. The stake represents 0.05% of the portfolio and ranks #264 among its holdings. This is a return to the name: CIBC World Markets previously reported a position in IRM as recently as Q2 2025.

CIBC World Markets first reported a position in IRM in Q4 2016 and has held it in 36 quarters since. The position peaked at $44.4M in Q2 2019. 1,006 funds tracked by Wall St. Rank hold IRM as of Q4 2025.

  • CIBC World Markets held 115,456 shares of Iron Mountain worth $9.58M as of Q4 2025.
  • Iron Mountain was a new CIBC World Markets position in Q4 2025.
  • Iron Mountain made up 0.05% of CIBC World Markets's portfolio in Q4 2025, its #264 holding.
  • CIBC World Markets first reported a position in Iron Mountain in Q4 2016 and has held it in 36 quarters since.
  • CIBC World Markets's Iron Mountain position peaked at $44.4M in Q2 2019.
  • 1,006 funds tracked by Wall St. Rank held Iron Mountain as of Q4 2025.

Based on CIBC World Markets's 13F filing for Q4 2025, filed 12 Feb 2026.