Commonwealth of Pennsylvania Public School Employees Retirement System’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
$36.2M Buy
286,428
+84,112
+42% +$10.3M 0.18% 111
2026
Q1
$20.7M Buy
202,316
+37,605
+23% +$3.74M 0.11% 168
2025
Q4
$13.7M Sell
164,711
-2,462
-1% -$230K 0.07% 227
2025
Q3
$17M Sell
167,173
-239
-0.1% -$23K 0.09% 198
2025
Q2
$17.2M Buy
167,412
+5,518
+3% +$520K 0.09% 199
2025
Q1
$13.9M Buy
161,894
+4,777
+3% +$460K 0.08% 214
2024
Q4
$16.5M Buy
157,117
+42,326
+37% +$4.97M 0.1% 175
2024
Q3
$13.6M Sell
114,791
-1,131
-1% -$121K 0.09% 208
2024
Q2
$10.4M Buy
115,922
+51,822
+81% +$4.19M 0.07% 234
2024
Q1
$5.14M Buy
64,100
+158
+0.2% +$11.4K 0.04% 391
2023
Q4
$4.47M Buy
63,942
+5,260
+9% +$330K 0.03% 401
2023
Q3
$3.49M Buy
58,682
+7,822
+15% +$478K 0.03% 412
2023
Q2
$2.89M Buy
50,860
+1,577
+3% +$86.3K 0.02% 695
2023
Q1
$2.61M Buy
49,283
+142
+0.3% +$7.44K 0.02% 693
2022
Q4
$2.45M Buy
49,141
+6,623
+16% +$334K 0.02% 714
2022
Q3
$1.87M Buy
42,518
+212
+0.5% +$10.7K 0.02% 750
2022
Q2
$2.06M Buy
42,306
+3,563
+9% +$188K 0.02% 725
2022
Q1
$2.15M Buy
38,743
+2,399
+7% +$114K 0.02% 770
2021
Q4
$1.9M Buy
36,344
+70
+0.2% +$3.31K 0.02% 852
2021
Q3
$1.58M Buy
36,274
+99
+0.3% +$4.46K 0.02% 948
2021
Q2
$1.53M Buy
36,175
+103
+0.3% +$4.32K 0.02% 995
2021
Q1
$1.33M Buy
36,072
+65
+0.2% +$2.17K 0.02% 1080
2020
Q4
$1.06M Buy
36,007
+9,309
+35% +$258K 0.02% 1109
2020
Q3
$715K Buy
26,698
+10,237
+62% +$291K 0.01% 1161
2020
Q2
$430K Sell
16,461
-1,884
-10% -$47.6K 0.01% 1200
2020
Q1
$437K Sell
18,345
-146
-0.8% -$4.42K 0.01% 1064
2019
Q4
$589K Buy
18,491
+93
+0.5% +$3.05K 0.01% 993
2019
Q3
$596K Buy
18,398
+1,556
+9% +$48.9K 0.01% 916
2019
Q2
$527K Buy
16,842
+100
+0.6% +$3.28K 0.01% 1005
2019
Q1
$594K Buy
16,742
+1,128
+7% +$39.8K 0.01% 922
2018
Q4
$506K Sell
15,614
-7,867
-34% -$258K 0.01% 951
2018
Q3
$811K Sell
23,481
-5,980
-20% -$213K 0.01% 807
2018
Q2
$1.03M Buy
29,461
+4,278
+17% +$145K 0.01% 783
2018
Q1
$828K Buy
25,183
+9
+0% +$303 0.01% 870
2017
Q4
$950K Buy
25,174
+3,672
+17% +$146K 0.01% 661
2017
Q3
$836K Buy
21,502
+3,253
+18% +$122K 0.01% 670
2017
Q2
$627K Buy
18,249
+56
+0.3% +$1.96K 0.01% 791
2017
Q1
$649K Buy
18,193
+4,148
+30% +$147K 0.01% 786
2016
Q4
$456K Buy
14,045
+62
+0.4% +$2.06K 0.01% 899
2016
Q3
$525K Sell
13,983
-5,154
-27% -$199K 0.01% 788
2016
Q2
$762K Buy
19,137
+4,854
+34% +$177K 0.01% 727
2016
Q1
$484K Buy
14,283
+1,729
+14% +$49.7K 0.01% 884
2015
Q4
$339K Buy
12,554
+228
+2% +$6.69K 0.01% 1045
2015
Q3
$382K Sell
12,326
-8,717
-41% -$260K 0.01% 1000
2015
Q2
$652K Sell
21,043
-406
-2% -$14.2K 0.01% 952
2015
Q1
$782K Sell
21,449
-12,573
-37% -$485K 0.01% 881
2014
Q4
$1.31M Buy
34,022
+2,501
+8% +$91K 0.02% 690
2014
Q3
$1.03M Sell
31,521
-2,335
-7% -$75.7K 0.02% 678
2014
Q2
$1.11M Sell
33,856
-1,476
-4% -$40K 0.02% 779
2014
Q1
$900K Buy
35,332
+185
+0.5% +$4.73K 0.01% 854
2013
Q4
$986K Sell
35,147
-2,438
-6% -$62.5K 0.02% 807
2013
Q3
$939K Sell
37,585
-24,809
-40% -$630K 0.02% 824
2013
Q2
$1.53M Buy
+62,394
New +$2.01M 0.03% 580

Other funds holding IRM

Commonwealth of Pennsylvania Public School Employees Retirement System's IRM Position: Q2 2026 in Review

Commonwealth of Pennsylvania Public School Employees Retirement System increased its Iron Mountain (IRM) stake by 42% in Q2 2026, buying an estimated $10.3M and bringing the position to 286,428 shares worth $36.2M. The position accounts for 0.18% of the portfolio, ranked #111.

Commonwealth of Pennsylvania Public School Employees Retirement System first reported a position in IRM in Q2 2013 and has held it in 53 quarters since. 797 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • Commonwealth of Pennsylvania Public School Employees Retirement System held 286,428 shares of Iron Mountain worth $36.2M as of Q2 2026.
  • Commonwealth of Pennsylvania Public School Employees Retirement System bought 84,112 Iron Mountain shares in Q2 2026, an estimated $10.3M.
  • Iron Mountain made up 0.18% of Commonwealth of Pennsylvania Public School Employees Retirement System's portfolio in Q2 2026, its #111 holding.
  • Commonwealth of Pennsylvania Public School Employees Retirement System first reported a position in Iron Mountain in Q2 2013 and has held it in 53 quarters since.
  • 797 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Commonwealth of Pennsylvania Public School Employees Retirement System's 13F filing for Q2 2026, filed 17 Jul 2026.