Canada Pension Plan Investment Board’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
Q2 | $3.71M | Buy |
+29,362
| New | +$3.6M | ﹤0.01% | 834 |
|
|
2026
Q1 | – | Sell |
-88,145
| Closed | -$7.31M | – | 1857 |
|
|
2025
Q4 | $7.31M | Sell |
88,145
-122,138
| -58% | -$11.4M | ﹤0.01% | 715 |
|
|
2025
Q3 | $21.4M | Buy |
210,283
+102,327
| +95% | +$9.86M | 0.02% | 484 |
|
|
2025
Q2 | $11.1M | Sell |
107,956
-1,387
| -1% | -$131K | 0.01% | 571 |
|
|
2025
Q1 | $9.41M | Sell |
109,343
-107,925
| -50% | -$10.4M | 0.01% | 582 |
|
|
2024
Q4 | $22.8M | Sell |
217,268
-851,842
| -80% | -$100M | 0.02% | 440 |
|
|
2024
Q3 | $127M | Buy |
1,069,110
+337,595
| +46% | +$36.1M | 0.12% | 170 |
|
|
2024
Q2 | $65.6M | Sell |
731,515
-165,475
| -18% | -$13.4M | 0.06% | 242 |
|
|
2024
Q1 | $71.9M | Sell |
896,990
-50,000
| -5% | -$3.62M | 0.08% | 239 |
|
|
2023
Q4 | $66.3M | Buy |
946,990
+87,500
| +10% | +$5.49M | 0.08% | 226 |
|
|
2023
Q3 | $51.1M | Sell |
859,490
-8,100
| -0.9% | -$495K | 0.07% | 245 |
|
|
2023
Q2 | $49.3M | Buy |
867,590
+2,000
| +0.2% | +$109K | 0.07% | 239 |
|
|
2023
Q1 | $45.8M | Buy |
865,590
+43,238
| +5% | +$2.27M | 0.07% | 238 |
|
|
2022
Q4 | $41M | Sell |
822,352
-45,238
| -5% | -$2.28M | 0.07% | 236 |
|
|
2022
Q3 | $38.1M | Buy |
867,590
+867,580
| +8,675,800% | +$43.8M | 0.06% | 251 |
|
|
2022
Q2 | $0 | Sell |
10
-116,600
| -100% | -$6.14M | ﹤0.01% | 1334 |
|
|
2022
Q1 | $6.46M | Sell |
116,610
-72,208
| -38% | -$3.44M | 0.01% | 566 |
|
|
2021
Q4 | $9.88M | Sell |
188,818
-57,795
| -23% | -$2.73M | 0.01% | 579 |
|
|
2021
Q3 | $10.7M | Buy |
246,613
+241,891
| +5,123% | +$10.9M | 0.01% | 560 |
|
|
2021
Q2 | $200K | Sell |
4,722
-161,753
| -97% | -$6.78M | ﹤0.01% | 956 |
|
|
2021
Q1 | $6.16M | Sell |
166,475
-359,720
| -68% | -$12M | 0.01% | 599 |
|
|
2020
Q4 | $15.5M | Buy |
526,195
+447,260
| +567% | +$12.4M | 0.02% | 408 |
|
|
2020
Q3 | $2.12M | Buy |
78,935
+43,110
| +120% | +$1.23M | ﹤0.01% | 623 |
|
|
2020
Q2 | $935K | Buy |
35,825
+11,104
| +45% | +$280K | ﹤0.01% | 936 |
|
|
2020
Q1 | $589K | Buy |
24,721
+6,082
| +33% | +$184K | ﹤0.01% | 952 |
|
|
2019
Q4 | $594K | Sell |
18,639
-8,100
| -30% | -$266K | ﹤0.01% | 1135 |
|
|
2019
Q3 | $866K | Buy |
26,739
+26,242
| +5,280% | +$824K | ﹤0.01% | 977 |
|
|
2019
Q2 | $16K | Sell |
497
-324,670
| -100% | -$10.6M | ﹤0.01% | 1180 |
|
|
2019
Q1 | $11.5M | Buy |
325,167
+83,057
| +34% | +$2.93M | 0.02% | 545 |
|
|
2018
Q4 | $7.85M | Buy |
242,110
+124,757
| +106% | +$4.09M | 0.02% | 640 |
|
|
2018
Q3 | $4.05M | Buy |
117,353
+112,733
| +2,440% | +$4.02M | 0.01% | 871 |
|
|
2018
Q2 | $162K | Sell |
4,620
-3,357
| -42% | -$113K | ﹤0.01% | 1155 |
|
|
2018
Q1 | $262K | Buy |
7,977
+5,267
| +194% | +$177K | ﹤0.01% | 1136 |
|
|
2017
Q4 | $102K | Sell |
2,710
-203,225
| -99% | -$8.06M | ﹤0.01% | 1090 |
|
|
2017
Q3 | $8.01M | Buy |
205,935
+140,600
| +215% | +$5.25M | 0.02% | 564 |
|
|
2017
Q2 | $2.25M | Sell |
65,335
-463,500
| -88% | -$16.2M | 0.01% | 804 |
|
|
2017
Q1 | $18.9M | Buy |
528,835
+523,040
| +9,026% | +$18.5M | 0.05% | 308 |
|
|
2016
Q4 | $188K | Sell |
5,795
-35,700
| -86% | -$1.19M | ﹤0.01% | 951 |
|
|
2016
Q3 | $1.56M | Buy |
41,495
+20,000
| +93% | +$771K | 0.01% | 737 |
|
|
2016
Q2 | $856K | Buy |
21,495
+11,484
| +115% | +$418K | ﹤0.01% | 804 |
|
|
2016
Q1 | $339K | Buy |
10,011
+100
| +1% | +$2.87K | ﹤0.01% | 956 |
|
|
2015
Q4 | $268K | Sell |
9,911
-160,800
| -94% | -$4.72M | ﹤0.01% | 985 |
|
|
2015
Q3 | $5.29M | Sell |
170,711
-178,200
| -51% | -$5.32M | 0.02% | 556 |
|
|
2015
Q2 | $10.8M | Hold |
348,911
| – | – | 0.04% | 419 |
|
|
2015
Q1 | $12.7M | Hold |
348,911
| – | – | 0.05% | 383 |
|
|
2014
Q4 | $13.5M | Buy |
348,911
+277,094
| +386% | +$10.1M | 0.04% | 393 |
|
|
2014
Q3 | $2.35M | Buy |
71,817
+65,816
| +1,097% | +$2.13M | 0.01% | 715 |
|
|
2014
Q2 | $197K | Buy |
6,001
+1,987
| +50% | +$53.9K | ﹤0.01% | 992 |
|
|
2014
Q1 | $102K | Buy |
4,014
+757
| +23% | +$19.4K | ﹤0.01% | 1041 |
|
|
2013
Q4 | $91K | Sell |
3,257
-4,802
| -60% | -$123K | ﹤0.01% | 1023 |
|
|
2013
Q3 | $201K | Sell |
8,059
-39,841
| -83% | -$1.01M | ﹤0.01% | 828 |
|
|
2013
Q2 | $1.18M | Buy |
+47,900
| New | +$1.55M | 0.01% | 632 |
|
Other funds holding IRM
Canada Pension Plan Investment Board's IRM Position: Q2 2026 in Review
Canada Pension Plan Investment Board opened a new position in Iron Mountain (IRM) in Q2 2026: 29,362 shares worth $3.71M. The stake represents ﹤0.01% of the portfolio and ranks #834 among its holdings. This is a return to the name: Canada Pension Plan Investment Board previously reported a position in IRM as recently as Q4 2025.
Canada Pension Plan Investment Board first reported a position in IRM in Q2 2013 and has held it in 52 quarters since. The position peaked at $127M in Q3 2024. 1,170 funds tracked by Wall St. Rank hold IRM as of Q2 2026.
- Canada Pension Plan Investment Board held 29,362 shares of Iron Mountain worth $3.71M as of Q2 2026.
- Iron Mountain was a new Canada Pension Plan Investment Board position in Q2 2026.
- Iron Mountain made up ﹤0.01% of Canada Pension Plan Investment Board's portfolio in Q2 2026, its #834 holding.
- Canada Pension Plan Investment Board first reported a position in Iron Mountain in Q2 2013 and has held it in 52 quarters since.
- Canada Pension Plan Investment Board's Iron Mountain position peaked at $127M in Q3 2024.
- 1,170 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.
Based on Canada Pension Plan Investment Board's 13F filing for Q2 2026, filed 14 Aug 2026.