M&T Bank’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
$8.32M Sell
81,486
-2,065
-2% -$205K 0.03% 306
2025
Q4
$6.93M Buy
83,551
+24,690
+42% +$2.31M 0.02% 341
2025
Q3
$6M Sell
58,861
-27,466
-32% -$2.65M 0.02% 348
2025
Q2
$8.85M Buy
86,327
+1,132
+1% +$107K 0.03% 309
2025
Q1
$7.33M Sell
85,195
-1,867
-2% -$180K 0.03% 344
2024
Q4
$9.15M Sell
87,062
-1,153
-1% -$135K 0.03% 313
2024
Q3
$10.5M Buy
88,215
+334
+0.4% +$35.7K 0.03% 293
2024
Q2
$7.88M Sell
87,881
-1,358
-2% -$110K 0.03% 339
2024
Q1
$7.16M Sell
89,239
-3,459
-4% -$250K 0.02% 356
2023
Q4
$6.49M Sell
92,698
-1,008
-1% -$63.2K 0.02% 372
2023
Q3
$5.57M Sell
93,706
-8,170
-8% -$499K 0.02% 385
2023
Q2
$5.79M Buy
101,876
+1,526
+2% +$83.5K 0.02% 392
2023
Q1
$5.31M Sell
100,350
-201
-0.2% -$10.5K 0.02% 408
2022
Q4
$5.01M Sell
100,551
-437
-0.4% -$22.1K 0.02% 412
2022
Q3
$4.44M Sell
100,988
-1,184
-1% -$59.8K 0.02% 409
2022
Q2
$4.91M Buy
102,172
+4,524
+5% +$238K 0.02% 368
2022
Q1
$5.41M Buy
97,648
+32,325
+49% +$1.54M 0.02% 355
2021
Q4
$3.42M Buy
65,323
+5,696
+10% +$269K 0.01% 449
2021
Q3
$2.59M Buy
59,627
+877
+1% +$39.5K 0.01% 502
2021
Q2
$2.49M Buy
58,750
+3,935
+7% +$165K 0.01% 514
2021
Q1
$2.03M Sell
54,815
-1,633
-3% -$54.6K 0.01% 555
2020
Q4
$1.67M Sell
56,448
-5,354
-9% -$149K 0.01% 620
2020
Q3
$1.66M Sell
61,802
-384
-0.6% -$10.9K 0.01% 571
2020
Q2
$1.62M Sell
62,186
-1,839
-3% -$46.4K 0.01% 566
2020
Q1
$1.52M Buy
64,025
+13,212
+26% +$400K 0.01% 593
2019
Q4
$1.62M Buy
50,813
+3,255
+7% +$107K 0.01% 496
2019
Q3
$1.54M Sell
47,558
-3,105
-6% -$97.5K 0.01% 588
2019
Q2
$1.59M Buy
50,663
+58
+0.1% +$1.9K 0.01% 590
2019
Q1
$1.79M Sell
50,605
-1,957
-4% -$69.1K 0.01% 547
2018
Q4
$1.7M Sell
52,562
-11,270
-18% -$370K 0.01% 532
2018
Q3
$2.2M Sell
63,832
-352
-0.5% -$12.5K 0.01% 518
2018
Q2
$2.25M Sell
64,184
-3,994
-6% -$135K 0.01% 516
2018
Q1
$2.24M Sell
68,178
-5,757
-8% -$194K 0.01% 514
2017
Q4
$2.79M Sell
73,935
-563
-0.8% -$22.3K 0.01% 464
2017
Q3
$2.9M Buy
74,498
+21,771
+41% +$813K 0.02% 458
2017
Q2
$1.81M Sell
52,727
-1,640
-3% -$57.4K 0.01% 560
2017
Q1
$1.94M Sell
54,367
-10,660
-16% -$377K 0.01% 540
2016
Q4
$2.11M Buy
65,027
+6,595
+11% +$219K 0.01% 512
2016
Q3
$2.19M Buy
58,432
+6,479
+12% +$250K 0.01% 506
2016
Q2
$2.07M Buy
51,953
+7,919
+18% +$288K 0.01% 527
2016
Q1
$1.49M Sell
44,034
-3,543
-7% -$102K 0.01% 646
2015
Q4
$1.28M Buy
47,577
+5,314
+13% +$156K 0.01% 704
2015
Q3
$1.31M Buy
42,263
+4,025
+11% +$120K 0.01% 717
2015
Q2
$1.19M Buy
38,238
+18,274
+92% +$640K 0.01% 814
2015
Q1
$729K Sell
19,964
-23,004
-54% -$888K ﹤0.01% 1006
2014
Q4
$1.66M Buy
42,968
+16,108
+60% +$586K 0.01% 671
2014
Q3
$876K Buy
26,860
+26,473
+6,841% +$858K 0.01% 953
2014
Q2
$13K Hold
387
﹤0.01% 899
2014
Q1
$10K Hold
387
﹤0.01% 929
2013
Q4
$11K Hold
387
﹤0.01% 896
2013
Q3
$10K Hold
387
﹤0.01% 847
2013
Q2
$10K Buy
+387
New +$12.5K ﹤0.01% 840

Other funds holding IRM

M&T Bank's IRM Position: Q1 2026 in Review

M&T Bank reduced its Iron Mountain (IRM) stake by 2.5% in Q1 2026, selling an estimated $205K and leaving 81,486 shares worth $8.32M. The position accounts for 0.03% of the portfolio, ranked #306.

M&T Bank first reported a position in IRM in Q2 2013 and has held it in 52 quarters since. The position peaked at $10.5M in Q3 2024. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • M&T Bank held 81,486 shares of Iron Mountain worth $8.32M as of Q1 2026.
  • M&T Bank sold 2,065 Iron Mountain shares in Q1 2026, an estimated $205K.
  • Iron Mountain made up 0.03% of M&T Bank's portfolio in Q1 2026, its #306 holding.
  • M&T Bank first reported a position in Iron Mountain in Q2 2013 and has held it in 52 quarters since.
  • M&T Bank's Iron Mountain position peaked at $10.5M in Q3 2024.
  • 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on M&T Bank's 13F filing for Q1 2026, filed 12 May 2026.