Mitsubishi UFJ Trust & Banking’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
$17.9M Buy
141,549
+24,001
+20% +$2.94M 0.04% 374
2026
Q1
$12M Buy
117,548
+609
+0.5% +$60.6K 0.03% 463
2025
Q4
$9.7M Sell
116,939
-1,089
-0.9% -$102K 0.02% 527
2025
Q3
$12M Sell
118,028
-6,205
-5% -$598K 0.03% 513
2025
Q2
$12.7M Sell
124,233
-730
-0.6% -$68.8K 0.03% 487
2025
Q1
$10.8M Sell
124,963
-6,559
-5% -$632K 0.03% 519
2024
Q4
$13.8M Sell
131,522
-30,347
-19% -$3.57M 0.03% 491
2024
Q3
$19.2M Buy
161,869
+7,687
+5% +$822K 0.04% 399
2024
Q2
$13.8M Sell
154,182
-15,340
-9% -$1.24M 0.03% 480
2024
Q1
$13.6M Buy
169,522
+716
+0.4% +$51.8K 0.03% 500
2023
Q4
$11.8M Sell
168,806
-14,994
-8% -$941K 0.03% 509
2023
Q3
$10.9M Sell
183,800
-3,582
-2% -$219K 0.03% 513
2023
Q2
$10.6M Sell
187,382
-24,288
-11% -$1.33M 0.02% 541
2023
Q1
$11.2M Sell
211,670
-32,065
-13% -$1.68M 0.03% 523
2022
Q4
$12.2M Buy
243,735
+95
+0% +$4.8K 0.03% 502
2022
Q3
$10.7M Buy
243,640
+39,406
+19% +$1.99M 0.03% 507
2022
Q2
$9.94M Sell
204,234
-64,179
-24% -$3.38M 0.03% 544
2022
Q1
$14.9M Sell
268,413
-3,379
-1% -$161K 0.03% 473
2021
Q4
$14.2M Buy
271,792
+85,704
+46% +$4.05M 0.03% 515
2021
Q3
$8.09M Buy
186,088
+2,439
+1% +$110K 0.02% 650
2021
Q2
$7.79M Sell
183,649
-19,639
-10% -$824K 0.02% 680
2021
Q1
$7.22M Sell
203,288
-45,811
-18% -$1.53M 0.02% 675
2020
Q4
$7.34M Sell
249,099
-13,387
-5% -$371K 0.01% 684
2020
Q3
$7.03M Buy
262,486
+6,861
+3% +$195K 0.02% 656
2020
Q2
$6.67M Sell
255,625
-18,037
-7% -$455K 0.02% 646
2020
Q1
$6.51M Buy
273,662
+20,720
+8% +$627K 0.02% 596
2019
Q4
$8.06M Sell
252,942
-507
-0.2% -$16.6K 0.02% 648
2019
Q3
$8.16M Buy
253,449
+30,700
+14% +$964K 0.02% 625
2019
Q2
$6.88M Sell
222,749
-32,627
-13% -$1.07M 0.02% 603
2019
Q1
$9.1M Sell
255,376
-9,776
-4% -$345K 0.03% 522
2018
Q4
$8.59M Sell
265,152
-9,839
-4% -$323K 0.04% 497
2018
Q3
$9.49M Sell
274,991
-561,174
-67% -$20M 0.03% 518
2018
Q2
$29.3M Sell
836,165
-169,075
-17% -$5.71M 0.05% 418
2018
Q1
$33M Buy
1,005,240
+29,216
+3% +$985K 0.06% 357
2017
Q4
$36.8M Buy
976,024
+78,403
+9% +$3.11M 0.06% 337
2017
Q3
$34.9M Buy
897,621
+134
+0% +$5.01K 0.06% 338
2017
Q2
$30.8M Buy
897,487
+158,973
+22% +$5.56M 0.06% 367
2017
Q1
$26.3M Buy
738,514
+5,679
+0.8% +$201K 0.05% 408
2016
Q4
$23.8M Sell
732,835
-221,954
-23% -$7.38M 0.05% 422
2016
Q3
$35.8M Buy
954,789
+79,842
+9% +$3.08M 0.07% 308
2016
Q2
$34.8M Buy
874,947
+284,961
+48% +$10.4M 0.08% 301
2016
Q1
$20M Buy
589,986
+187,529
+47% +$5.39M 0.04% 448
2015
Q4
$10.9M Buy
402,457
+22,622
+6% +$664K 0.02% 602
2015
Q3
$11.8M Sell
379,835
-4,552
-1% -$136K 0.03% 579
2015
Q2
$11.9M Buy
384,387
+69,425
+22% +$2.43M 0.03% 607
2015
Q1
$11.5M Buy
314,962
+7,173
+2% +$277K 0.03% 597
2014
Q4
$11.9M Buy
307,789
+14,564
+5% +$530K 0.03% 588
2014
Q3
$9.57M Sell
293,225
-43,390
-13% -$1.41M 0.02% 603
2014
Q2
$11M Buy
336,615
+39,666
+13% +$1.08M 0.03% 596
2014
Q1
$7.57M Buy
296,949
+6,120
+2% +$157K 0.02% 642
2013
Q4
$8.16M Sell
290,829
-3,464
-1% -$88.7K 0.02% 638
2013
Q3
$7.35M Buy
294,293
+3,486
+1% +$88.5K 0.02% 640
2013
Q2
$7.15M Buy
+290,807
New +$9.39M 0.02% 630

Other funds holding IRM

Mitsubishi UFJ Trust & Banking's IRM Position: Q2 2026 in Review

Mitsubishi UFJ Trust & Banking increased its Iron Mountain (IRM) stake by 20% in Q2 2026, buying an estimated $2.94M and bringing the position to 141,549 shares worth $17.9M. The position accounts for 0.04% of the portfolio, ranked #374.

Mitsubishi UFJ Trust & Banking first reported a position in IRM in Q2 2013 and has held it in 53 quarters since. The position peaked at $36.8M in Q4 2017. 1,169 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • Mitsubishi UFJ Trust & Banking held 141,549 shares of Iron Mountain worth $17.9M as of Q2 2026.
  • Mitsubishi UFJ Trust & Banking bought 24,001 Iron Mountain shares in Q2 2026, an estimated $2.94M.
  • Iron Mountain made up 0.04% of Mitsubishi UFJ Trust & Banking's portfolio in Q2 2026, its #374 holding.
  • Mitsubishi UFJ Trust & Banking first reported a position in Iron Mountain in Q2 2013 and has held it in 53 quarters since.
  • Mitsubishi UFJ Trust & Banking's Iron Mountain position peaked at $36.8M in Q4 2017.
  • 1,169 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Mitsubishi UFJ Trust & Banking's 13F filing for Q2 2026, filed 6 Aug 2026.