State Street’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
$2.24B Buy
17,634,044
+82,411
+0.5% +$10.1M 0.07% 247
2026
Q1
$1.81B Buy
17,551,633
+662,835
+4% +$65.9M 0.06% 267
2025
Q4
$1.42B Sell
16,888,798
-242,989
-1% -$22.7M 0.05% 309
2025
Q3
$1.76B Buy
17,131,787
+322,144
+2% +$31M 0.06% 270
2025
Q2
$1.74B Buy
16,809,643
+104,524
+0.6% +$9.85M 0.07% 261
2025
Q1
$1.45B Buy
16,705,119
+83,336
+0.5% +$8.03M 0.06% 280
2024
Q4
$1.76B Buy
16,621,783
+54,006
+0.3% +$6.35M 0.07% 247
2024
Q3
$1.98B Sell
16,567,777
-948,401
-5% -$101M 0.08% 224
2024
Q2
$1.58B Buy
17,516,178
+3,704,370
+27% +$300M 0.07% 253
2024
Q1
$1.12B Buy
13,811,808
+18,872
+0.1% +$1.37M 0.05% 336
2023
Q4
$974M Buy
13,792,936
+599,533
+5% +$37.6M 0.05% 347
2023
Q3
$793M Sell
13,193,403
-721,701
-5% -$44.1M 0.04% 363
2023
Q2
$799M Buy
13,915,104
+117,817
+0.9% +$6.45M 0.04% 381
2023
Q1
$738M Sell
13,797,287
-451,341
-3% -$23.7M 0.04% 398
2022
Q4
$719M Sell
14,248,628
-251,936
-2% -$12.7M 0.04% 394
2022
Q3
$646M Sell
14,500,564
-395,540
-3% -$20M 0.04% 399
2022
Q2
$734M Buy
14,896,104
+274,095
+2% +$14.4M 0.04% 380
2022
Q1
$819M Buy
14,622,009
+261,765
+2% +$12.5M 0.04% 397
2021
Q4
$760M Buy
14,360,244
+522,760
+4% +$24.7M 0.04% 436
2021
Q3
$610M Buy
13,837,484
+380,178
+3% +$17.1M 0.03% 474
2021
Q2
$578M Buy
13,457,306
+841,781
+7% +$35.3M 0.03% 485
2021
Q1
$475M Sell
12,615,525
-124,595
-1% -$4.17M 0.03% 515
2020
Q4
$383M Sell
12,740,120
-451,921
-3% -$12.5M 0.02% 553
2020
Q3
$361M Sell
13,192,041
-1,073,145
-8% -$30.5M 0.02% 514
2020
Q2
$381M Buy
14,265,186
+384,307
+3% +$9.7M 0.03% 495
2020
Q1
$339M Buy
13,880,879
+314,582
+2% +$9.52M 0.03% 464
2019
Q4
$440M Buy
13,566,297
+580,058
+4% +$19M 0.03% 494
2019
Q3
$428M Buy
12,986,239
+637,543
+5% +$20M 0.03% 483
2019
Q2
$394M Buy
12,348,696
+348,155
+3% +$11.4M 0.03% 508
2019
Q1
$433M Buy
12,000,541
+525,078
+5% +$18.5M 0.03% 470
2018
Q4
$379M Buy
11,475,463
+164,654
+1% +$5.4M 0.03% 460
2018
Q3
$390M Buy
11,310,809
+546,062
+5% +$19.5M 0.03% 496
2018
Q2
$377M Sell
10,764,747
-133,614
-1% -$4.51M 0.03% 489
2018
Q1
$358M Buy
10,898,361
+80,498
+0.7% +$2.71M 0.03% 499
2017
Q4
$408M Buy
10,817,863
+430,308
+4% +$17.1M 0.03% 478
2017
Q3
$404M Buy
10,387,555
+98,089
+1% +$3.66M 0.03% 464
2017
Q2
$354M Sell
10,289,466
-285,599
-3% -$9.99M 0.03% 492
2017
Q1
$377M Buy
10,575,065
+320,851
+3% +$11.4M 0.03% 473
2016
Q4
$333M Sell
10,254,214
-232,849
-2% -$7.74M 0.03% 495
2016
Q3
$394M Buy
10,487,063
+375,956
+4% +$14.5M 0.04% 438
2016
Q2
$403M Buy
10,111,107
+1,786,266
+21% +$65M 0.04% 416
2016
Q1
$282M Sell
8,324,841
-37,658
-0.5% -$1.08M 0.03% 511
2015
Q4
$226M Buy
8,362,499
+192,920
+2% +$5.66M 0.02% 568
2015
Q3
$253M Buy
8,169,579
+474,784
+6% +$14.2M 0.03% 508
2015
Q2
$239M Sell
7,694,795
-147,799
-2% -$5.18M 0.03% 558
2015
Q1
$286M Sell
7,842,594
-608,316
-7% -$23.5M 0.03% 513
2014
Q4
$327M Buy
8,450,910
+898,560
+12% +$32.7M 0.03% 474
2014
Q3
$247M Sell
7,552,350
-113,012
-1% -$3.66M 0.03% 525
2014
Q2
$251M Buy
7,665,362
+318,190
+4% +$8.63M 0.03% 531
2014
Q1
$187M Sell
7,347,172
-290,335
-4% -$7.43M 0.02% 605
2013
Q4
$214M Sell
7,637,507
-1,283,357
-14% -$32.9M 0.02% 564
2013
Q3
$223M Buy
8,920,864
+1,791,473
+25% +$45.5M 0.03% 523
2013
Q2
$175M Buy
+7,129,391
New +$230M 0.02% 572

Other funds holding IRM

State Street's IRM Position: Q2 2026 in Review

State Street increased its Iron Mountain (IRM) stake by 0.47% in Q2 2026, buying an estimated $10.1M and bringing the position to 17,634,044 shares worth $2.24B. The position accounts for 0.07% of the portfolio, ranked #247.

State Street first reported a position in IRM in Q2 2013 and has held it in 53 quarters since. 1,167 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • State Street held 17,634,044 shares of Iron Mountain worth $2.24B as of Q2 2026.
  • State Street bought 82,411 Iron Mountain shares in Q2 2026, an estimated $10.1M.
  • Iron Mountain made up 0.07% of State Street's portfolio in Q2 2026, its #247 holding.
  • State Street first reported a position in Iron Mountain in Q2 2013 and has held it in 53 quarters since.
  • 1,167 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on State Street's 13F filing for Q2 2026, filed 7 Aug 2026.