Asset Management One’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 | $55.9M | Sell |
547,474
-8,500
| -2% | -$846K | 0.16% | 107 |
|
|
2025
Q4 | $45.9M | Buy |
555,974
+4,260
| +0.8% | +$399K | 0.13% | 136 |
|
|
2025
Q3 | $56.2M | Sell |
551,714
-4,236
| -0.8% | -$408K | 0.16% | 114 |
|
|
2025
Q2 | $57M | Buy |
555,950
+936
| +0.2% | +$88.2K | 0.18% | 110 |
|
|
2025
Q1 | $47.8M | Sell |
555,014
-7,527
| -1% | -$725K | 0.17% | 120 |
|
|
2024
Q4 | $58.9M | Sell |
562,541
-7,696
| -1% | -$904K | 0.2% | 92 |
|
|
2024
Q3 | $67.8M | Buy |
570,237
+3,571
| +0.6% | +$382K | 0.24% | 79 |
|
|
2024
Q2 | $50.8M | Sell |
566,666
-13,536
| -2% | -$1.1M | 0.19% | 96 |
|
|
2024
Q1 | $46.5M | Sell |
580,202
-9,496
| -2% | -$687K | 0.18% | 109 |
|
|
2023
Q4 | $41.6M | Buy |
589,698
+22,424
| +4% | +$1.41M | 0.17% | 118 |
|
|
2023
Q3 | $33.7M | Sell |
567,274
-108,110
| -16% | -$6.61M | 0.15% | 129 |
|
|
2023
Q2 | $38.4M | Buy |
675,384
+4,839
| +0.7% | +$265K | 0.16% | 116 |
|
|
2023
Q1 | $35.5M | Sell |
670,545
-23,139
| -3% | -$1.21M | 0.16% | 129 |
|
|
2022
Q4 | $34.8M | Buy |
693,684
+66,419
| +11% | +$3.35M | 0.17% | 125 |
|
|
2022
Q3 | $27.6M | Sell |
627,265
-15,058
| -2% | -$760K | 0.14% | 148 |
|
|
2022
Q2 | $31.3M | Sell |
642,323
-63,202
| -9% | -$3.33M | 0.15% | 140 |
|
|
2022
Q1 | $39.1M | Sell |
705,525
-38,833
| -5% | -$1.85M | 0.15% | 135 |
|
|
2021
Q4 | $39.3M | Buy |
744,358
+41,969
| +6% | +$1.98M | 0.14% | 144 |
|
|
2021
Q3 | $30.5M | Sell |
702,389
-75,640
| -10% | -$3.4M | 0.12% | 178 |
|
|
2021
Q2 | $32.9M | Sell |
778,029
-29,685
| -4% | -$1.24M | 0.12% | 172 |
|
|
2021
Q1 | $29.9M | Sell |
807,714
-45,598
| -5% | -$1.52M | 0.12% | 176 |
|
|
2020
Q4 | $25.1M | Buy |
853,312
+34,954
| +4% | +$970K | 0.1% | 196 |
|
|
2020
Q3 | $21.9M | Buy |
818,358
+37,352
| +5% | +$1.06M | 0.1% | 194 |
|
|
2020
Q2 | $20.4M | Buy |
781,006
+176,286
| +29% | +$4.45M | 0.1% | 203 |
|
|
2020
Q1 | $14.4M | Sell |
604,720
-81,867
| -12% | -$2.48M | 0.08% | 232 |
|
|
2019
Q4 | $21.9M | Sell |
686,587
-8,375
| -1% | -$275K | 0.1% | 219 |
|
|
2019
Q3 | $22.5M | Sell |
694,962
-3,811
| -0.5% | -$120K | 0.11% | 205 |
|
|
2019
Q2 | $21.9M | Buy |
698,773
+9,532
| +1% | +$312K | 0.11% | 204 |
|
|
2019
Q1 | $24.4M | Sell |
689,241
-294,591
| -30% | -$10.4M | 0.13% | 160 |
|
|
2018
Q4 | $31.8M | Sell |
983,832
-30,570
| -3% | -$1M | 0.08% | 280 |
|
|
2018
Q3 | $34.8M | Buy |
1,014,402
+41,837
| +4% | +$1.49M | 0.07% | 294 |
|
|
2018
Q2 | $33.9M | Sell |
972,565
-37,610
| -4% | -$1.27M | 0.07% | 298 |
|
|
2018
Q1 | $33.2M | Sell |
1,010,175
-45,454
| -4% | -$1.53M | 0.07% | 299 |
|
|
2017
Q4 | $40M | Buy |
1,055,629
+55,779
| +6% | +$2.21M | 0.09% | 257 |
|
|
2017
Q3 | $38.8M | Buy |
999,850
+77,206
| +8% | +$2.88M | 0.09% | 249 |
|
|
2017
Q2 | $31.6M | Sell |
922,644
-13,706
| -1% | -$479K | 0.08% | 282 |
|
|
2017
Q1 | $33.3M | Sell |
936,350
-63,999
| -6% | -$2.27M | 0.09% | 262 |
|
|
2016
Q4 | $32.4M | Buy |
1,000,349
+467,552
| +88% | +$15.5M | 0.08% | 275 |
|
|
2016
Q3 | $20.1M | Sell |
532,797
-5,011
| -0.9% | -$193K | 0.3% | 73 |
|
|
2016
Q2 | $21.3M | Buy |
537,808
+82,960
| +18% | +$3.02M | 0.32% | 66 |
|
|
2016
Q1 | $15.3M | Sell |
454,848
-11,150
| -2% | -$320K | 0.22% | 101 |
|
|
2015
Q4 | $13.2M | Sell |
465,998
-9,450
| -2% | -$277K | 0.2% | 117 |
|
|
2015
Q3 | $14.4M | Sell |
475,448
-4,072
| -0.8% | -$121K | 0.22% | 103 |
|
|
2015
Q2 | $14.9M | Sell |
479,520
-22,667
| -5% | -$794K | 0.21% | 107 |
|
|
2015
Q1 | $18.5M | Sell |
502,187
-11,931
| -2% | -$461K | 0.23% | 100 |
|
|
2014
Q4 | $20.5M | Buy |
514,118
+499,185
| +3,343% | +$18.2M | 0.27% | 78 |
|
|
2014
Q3 | $503K | Sell |
14,933
-53,518
| -78% | -$1.74M | 0.01% | 1013 |
|
|
2014
Q2 | $2.21M | Buy |
68,451
+19,909
| +41% | +$540K | 0.03% | 528 |
|
|
2014
Q1 | $1.22M | Sell |
48,542
-3,143
| -6% | -$80.4K | 0.02% | 657 |
|
|
2013
Q4 | $1.46M | Sell |
51,685
-111
| -0.2% | -$2.84K | 0.02% | 614 |
|
|
2013
Q3 | $1.32M | Buy |
51,796
+2,126
| +4% | +$54K | 0.02% | 648 |
|
|
2013
Q2 | $1.23M | Buy |
+49,670
| New | +$1.6M | 0.02% | 623 |
|
Other funds holding IRM
VPM
VCM
Asset Management One's IRM Position: Q1 2026 in Review
Asset Management One reduced its Iron Mountain (IRM) stake by 1.5% in Q1 2026, selling an estimated $846K and leaving 547,474 shares worth $55.9M. The position accounts for 0.16% of the portfolio, ranked #107.
Asset Management One first reported a position in IRM in Q2 2013 and has held it in 52 quarters since. The position peaked at $67.8M in Q3 2024. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.
- Asset Management One held 547,474 shares of Iron Mountain worth $55.9M as of Q1 2026.
- Asset Management One sold 8,500 Iron Mountain shares in Q1 2026, an estimated $846K.
- Iron Mountain made up 0.16% of Asset Management One's portfolio in Q1 2026, its #107 holding.
- Asset Management One first reported a position in Iron Mountain in Q2 2013 and has held it in 52 quarters since.
- Asset Management One's Iron Mountain position peaked at $67.8M in Q3 2024.
- 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.
Based on Asset Management One's 13F filing for Q1 2026, filed 8 May 2026.