Principal Financial Group’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
$552M Sell
4,373,424
-192,669
-4% -$23.6M 0.27% 81
2026
Q1
$466M Buy
4,566,093
+358,497
+9% +$35.7M 0.25% 80
2025
Q4
$349M Buy
4,207,596
+1,680,438
+66% +$157M 0.18% 116
2025
Q3
$258M Sell
2,527,158
-57,698
-2% -$5.56M 0.13% 152
2025
Q2
$265M Buy
2,584,856
+1,680,672
+186% +$158M 0.14% 145
2025
Q1
$77.8M Buy
904,184
+488,816
+118% +$47.1M 0.04% 328
2024
Q4
$43.7M Buy
415,368
+62,917
+18% +$7.39M 0.02% 503
2024
Q3
$41.9M Buy
352,451
+11,685
+3% +$1.25M 0.02% 519
2024
Q2
$30.5M Sell
340,766
-6,498
-2% -$526K 0.02% 636
2024
Q1
$27.9M Buy
347,264
+10,011
+3% +$725K 0.02% 719
2023
Q4
$23.6M Sell
337,253
-16,411
-5% -$1.03M 0.02% 775
2023
Q3
$21M Buy
353,664
+9,971
+3% +$609K 0.02% 777
2023
Q2
$19.5M Sell
343,693
-13,714
-4% -$751K 0.01% 862
2023
Q1
$18.9M Buy
357,407
+1,651
+0.5% +$86.5K 0.01% 886
2022
Q4
$17.7M Sell
355,756
-6,915
-2% -$349K 0.01% 902
2022
Q3
$15.9M Sell
362,671
-10,906
-3% -$551K 0.01% 918
2022
Q2
$18.2M Buy
373,577
+14,155
+4% +$745K 0.01% 890
2022
Q1
$19.9M Sell
359,422
-3,906
-1% -$186K 0.01% 906
2021
Q4
$19M Sell
363,328
-7,571
-2% -$358K 0.01% 992
2021
Q3
$16.1M Buy
370,899
+6,746
+2% +$304K 0.01% 1105
2021
Q2
$15.4M Buy
364,153
+7,013
+2% +$294K 0.01% 1175
2021
Q1
$13.2M Sell
357,140
-29,954
-8% -$1M 0.01% 1234
2020
Q4
$11.4M Sell
387,094
-31,281
-7% -$868K 0.01% 1153
2020
Q3
$11.2M Sell
418,375
-35,037
-8% -$997K 0.01% 1005
2020
Q2
$11.8M Buy
453,412
+28,951
+7% +$731K 0.01% 959
2020
Q1
$10.1M Buy
424,461
+22,815
+6% +$691K 0.01% 895
2019
Q4
$12.8M Sell
401,646
-14,129
-3% -$463K 0.01% 1111
2019
Q3
$13.5M Buy
415,775
+1,458
+0.4% +$45.8K 0.01% 1043
2019
Q2
$13M Sell
414,317
-7,072
-2% -$232K 0.01% 1081
2019
Q1
$14.9M Sell
421,389
-2,020
-0.5% -$71.4K 0.01% 977
2018
Q4
$13.7M Sell
423,409
-13,803
-3% -$453K 0.01% 956
2018
Q3
$15.1M Buy
437,212
+18,941
+5% +$675K 0.01% 1060
2018
Q2
$14.6M Sell
418,271
-13,402
-3% -$453K 0.01% 1046
2018
Q1
$14.2M Buy
431,673
+6,112
+1% +$206K 0.01% 1026
2017
Q4
$16.1M Buy
425,561
+16,002
+4% +$635K 0.01% 972
2017
Q3
$15.9M Buy
409,559
+10,718
+3% +$400K 0.02% 947
2017
Q2
$13.7M Buy
398,841
+18,515
+5% +$648K 0.01% 1019
2017
Q1
$13.6M Sell
380,326
-1,268
-0.3% -$44.9K 0.02% 1008
2016
Q4
$12.4M Sell
381,594
-8,692
-2% -$289K 0.02% 1040
2016
Q3
$14.6M Buy
390,286
+12,002
+3% +$463K 0.02% 859
2016
Q2
$15.1M Buy
378,284
+97,671
+35% +$3.55M 0.02% 789
2016
Q1
$9.52M Buy
280,613
+24
+0% +$689 0.01% 1025
2015
Q4
$7.58M Buy
280,589
+7,243
+3% +$212K 0.01% 1126
2015
Q3
$8.48M Buy
273,346
+9,343
+4% +$279K 0.01% 1037
2015
Q2
$8.18M Sell
264,003
-3,419
-1% -$120K 0.01% 1141
2015
Q1
$9.76M Sell
267,422
-2,745
-1% -$106K 0.01% 997
2014
Q4
$10.4M Buy
270,167
+64,951
+32% +$2.36M 0.02% 925
2014
Q3
$6.7M Sell
205,216
-9,248
-4% -$300K 0.01% 1168
2014
Q2
$7.03M Buy
214,464
+17,634
+9% +$478K 0.01% 1174
2014
Q1
$5.01M Buy
196,830
+3,706
+2% +$94.8K 0.01% 1360
2013
Q4
$5.42M Buy
193,124
+1,548
+0.8% +$39.7K 0.01% 1308
2013
Q3
$4.78M Sell
191,576
-1,331,600
-87% -$33.8M 0.01% 1300
2013
Q2
$37.5M Buy
+1,523,176
New +$49.2M 0.08% 282

Other funds holding IRM

Principal Financial Group's IRM Position: Q2 2026 in Review

Principal Financial Group reduced its Iron Mountain (IRM) stake by 4.2% in Q2 2026, selling an estimated $23.6M and leaving 4,373,424 shares worth $552M. The position accounts for 0.27% of the portfolio, ranked #81.

Principal Financial Group first reported a position in IRM in Q2 2013 and has held it in 53 quarters since. 1,165 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • Principal Financial Group held 4,373,424 shares of Iron Mountain worth $552M as of Q2 2026.
  • Principal Financial Group sold 192,669 Iron Mountain shares in Q2 2026, an estimated $23.6M.
  • Iron Mountain made up 0.27% of Principal Financial Group's portfolio in Q2 2026, its #81 holding.
  • Principal Financial Group first reported a position in Iron Mountain in Q2 2013 and has held it in 53 quarters since.
  • 1,165 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Principal Financial Group's 13F filing for Q2 2026, filed 4 Aug 2026.