Oppenheimer & Co’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
$587K Sell
5,746
-19
-0.3% -$1.89K 0.01% 1120
2025
Q4
$478K Sell
5,765
-3,226
-36% -$302K 0.01% 1089
2025
Q3
$917K Sell
8,991
-169
-2% -$16.3K 0.01% 936
2025
Q2
$940K Buy
9,160
+186
+2% +$17.5K 0.01% 881
2025
Q1
$772K Sell
8,974
-4,012
-31% -$387K 0.01% 915
2024
Q4
$1.36M Sell
12,986
-6,206
-32% -$729K 0.02% 676
2024
Q3
$2.28M Buy
19,192
+5,086
+36% +$544K 0.03% 511
2024
Q2
$1.26M Buy
14,106
+2,620
+23% +$212K 0.02% 683
2024
Q1
$921K Sell
11,486
-36
-0.3% -$2.61K 0.02% 768
2023
Q4
$806K Buy
11,522
+4,208
+58% +$264K 0.01% 787
2023
Q3
$435K Sell
7,314
-167
-2% -$10.2K 0.01% 995
2023
Q2
$425K Buy
7,481
+1,092
+17% +$59.8K 0.01% 1033
2023
Q1
$338K Sell
6,389
-23
-0.4% -$1.21K 0.01% 1097
2022
Q4
$320K Buy
6,412
+61
+1% +$3.08K 0.01% 1064
2022
Q3
$280K Sell
6,351
-9,164
-59% -$463K 0.01% 1084
2022
Q2
$755K Sell
15,515
-7,371
-32% -$388K 0.02% 782
2022
Q1
$1.27M Sell
22,886
-7,305
-24% -$348K 0.02% 649
2021
Q4
$1.58M Sell
30,191
-1,295
-4% -$61.2K 0.03% 595
2021
Q3
$1.37M Buy
31,486
+14,526
+86% +$654K 0.03% 632
2021
Q2
$718K Buy
16,960
+5,224
+45% +$219K 0.01% 876
2021
Q1
$435K Sell
11,736
-9,922
-46% -$332K 0.01% 1019
2020
Q4
$638K Buy
21,658
+9,918
+84% +$275K 0.01% 801
2020
Q3
$315K Sell
11,740
-289
-2% -$8.22K 0.01% 963
2020
Q2
$314K Sell
12,029
-527
-4% -$13.3K 0.01% 953
2020
Q1
$299K Sell
12,556
-24,703
-66% -$748K 0.01% 901
2019
Q4
$1.19M Sell
37,259
-17,429
-32% -$571K 0.03% 566
2019
Q3
$1.77M Sell
54,688
-101,820
-65% -$3.2M 0.05% 428
2019
Q2
$4.9M Buy
156,508
+66,236
+73% +$2.17M 0.13% 176
2019
Q1
$3.2M Buy
90,272
+64,857
+255% +$2.29M 0.09% 270
2018
Q4
$823K Buy
25,415
+9
+0% +$295 0.03% 580
2018
Q3
$877K Buy
25,406
+461
+2% +$16.4K 0.02% 641
2018
Q2
$874K Buy
24,945
+91
+0.4% +$3.07K 0.02% 643
2018
Q1
$817K Buy
24,854
+6,964
+39% +$235K 0.02% 680
2017
Q4
$675K Buy
17,890
+417
+2% +$16.5K 0.02% 755
2017
Q3
$680K Buy
17,473
+118
+0.7% +$4.41K 0.02% 737
2017
Q2
$596K Buy
17,355
+5,702
+49% +$199K 0.02% 771
2017
Q1
$415K Buy
11,653
+2,243
+24% +$79.4K 0.01% 871
2016
Q4
$305K Buy
9,410
+2,018
+27% +$67.1K 0.01% 988
2016
Q3
$277K Sell
7,392
-4,522
-38% -$174K 0.01% 1025
2016
Q2
$475K Buy
11,914
+1,830
+18% +$66.6K 0.01% 810
2016
Q1
$341K Buy
+10,084
New +$290K 0.01% 888
2015
Q2
Sell
-6,874
Closed -$251K 1510
2015
Q1
$251K Sell
6,874
-8,696
-56% -$336K 0.01% 1180
2014
Q4
$602K Buy
15,570
+1,477
+10% +$53.7K 0.02% 755
2014
Q3
$460K Buy
14,093
+4,400
+45% +$143K 0.01% 887
2014
Q2
$317K Hold
9,693
0.01% 1032
2014
Q1
$247K Buy
9,693
+541
+6% +$13.8K 0.01% 1134
2013
Q4
$257K Sell
9,152
-2,164
-19% -$55.4K 0.01% 1082
2013
Q3
$283K Hold
11,316
0.01% 996
2013
Q2
$278K Buy
+11,316
New +$365K 0.01% 961

Other funds holding IRM

Oppenheimer & Co's IRM Position: Q1 2026 in Review

Oppenheimer & Co reduced its Iron Mountain (IRM) stake by 0.33% in Q1 2026, selling an estimated $1.89K and leaving 5,746 shares worth $587K. The position accounts for 0.01% of the portfolio, ranked #1120.

Oppenheimer & Co first reported a position in IRM in Q2 2013 and has held it in 49 quarters since. The position peaked at $4.9M in Q2 2019. 1,084 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • Oppenheimer & Co held 5,746 shares of Iron Mountain worth $587K as of Q1 2026.
  • Oppenheimer & Co sold 19 Iron Mountain shares in Q1 2026, an estimated $1.89K.
  • Iron Mountain made up 0.01% of Oppenheimer & Co's portfolio in Q1 2026, its #1120 holding.
  • Oppenheimer & Co first reported a position in Iron Mountain in Q2 2013 and has held it in 49 quarters since.
  • Oppenheimer & Co's Iron Mountain position peaked at $4.9M in Q2 2019.
  • 1,084 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on Oppenheimer & Co's 13F filing for Q1 2026, filed 24 Apr 2026.