Stifel Financial’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
$26.1M Buy
255,348
+28,114
+12% +$2.8M 0.02% 536
2025
Q4
$18.8M Buy
227,234
+9,097
+4% +$851K 0.02% 658
2025
Q3
$22.2M Buy
218,137
+2,901
+1% +$279K 0.02% 583
2025
Q2
$22.1M Buy
215,236
+10,064
+5% +$949K 0.02% 560
2025
Q1
$17.7M Sell
205,172
-64,662
-24% -$6.23M 0.02% 611
2024
Q4
$28.4M Sell
269,834
-10,127
-4% -$1.19M 0.03% 457
2024
Q3
$33.3M Sell
279,961
-106,556
-28% -$11.4M 0.03% 416
2024
Q2
$34.6M Sell
386,517
-75,227
-16% -$6.09M 0.04% 377
2024
Q1
$37M Sell
461,744
-15,869
-3% -$1.15M 0.04% 365
2023
Q4
$33.4M Sell
477,613
-5,906
-1% -$370K 0.04% 368
2023
Q3
$28.7M Sell
483,519
-32,848
-6% -$2.01M 0.04% 367
2023
Q2
$29.3M Sell
516,367
-91,044
-15% -$4.98M 0.04% 367
2023
Q1
$32.1M Buy
607,411
+10,303
+2% +$540K 0.05% 343
2022
Q4
$29.8M Buy
597,108
+46,291
+8% +$2.34M 0.04% 349
2022
Q3
$24.2M Buy
550,817
+104,550
+23% +$5.28M 0.04% 375
2022
Q2
$21.7M Sell
446,267
-22,731
-5% -$1.2M 0.03% 423
2022
Q1
$26M Sell
468,998
-5,312
-1% -$253K 0.04% 421
2021
Q4
$24.8M Buy
474,310
+89,480
+23% +$4.23M 0.03% 435
2021
Q3
$16.7M Buy
384,830
+96,031
+33% +$4.32M 0.02% 532
2021
Q2
$12.2M Buy
288,799
+34,620
+14% +$1.45M 0.02% 632
2021
Q1
$9.41M Sell
254,179
-41,435
-14% -$1.39M 0.02% 682
2020
Q4
$8.71M Buy
295,614
+14,278
+5% +$396K 0.02% 634
2020
Q3
$7.54M Sell
281,336
-8,098
-3% -$230K 0.02% 617
2020
Q2
$7.55M Sell
289,434
-1,653,661
-85% -$41.8M 0.02% 586
2020
Q1
$46.1M Sell
1,943,095
-22,356
-1% -$677K 0.13% 177
2019
Q4
$62.6M Sell
1,965,451
-11,359
-0.6% -$372K 0.13% 176
2019
Q3
$63.9M Buy
1,976,810
+12,665
+0.6% +$398K 0.16% 158
2019
Q2
$61.5M Buy
1,964,145
+9,510
+0.5% +$312K 0.16% 159
2019
Q1
$69.3M Buy
1,954,635
+13,712
+0.7% +$484K 0.2% 136
2018
Q4
$62.9M Buy
1,940,923
+1,566,863
+419% +$51.4M 0.2% 129
2018
Q3
$12.9M Buy
374,060
+22,847
+7% +$814K 0.04% 436
2018
Q2
$12.4M Buy
351,213
+12,368
+4% +$418K 0.04% 469
2018
Q1
$11.1M Buy
338,845
+50,455
+17% +$1.7M 0.04% 499
2017
Q4
$10.9M Sell
288,390
-37,235
-11% -$1.48M 0.03% 493
2017
Q3
$12.7M Buy
325,625
+18,876
+6% +$705K 0.04% 418
2017
Q2
$10.5M Buy
306,749
+166,346
+118% +$5.82M 0.04% 451
2017
Q1
$5.02M Buy
140,403
+26,524
+23% +$939K 0.02% 692
2016
Q4
$3.68M Buy
113,879
+28,348
+33% +$942K 0.02% 771
2016
Q3
$3.2M Buy
85,531
+39,549
+86% +$1.53M 0.01% 805
2016
Q2
$1.83M Buy
+45,982
New +$1.67M 0.01% 1041
2016
Q1
Sell
-48,657
Closed -$1.31M 2312
2015
Q4
$1.31M Sell
48,657
-1,001,573
-95% -$29.4M 0.01% 1167
2015
Q3
$32.6M Buy
1,050,230
+180,129
+21% +$5.37M 0.18% 140
2015
Q2
$27M Sell
870,101
-23,566
-3% -$825K 0.14% 169
2015
Q1
$32.6M Buy
893,667
+861,309
+2,662% +$33.3M 0.18% 146
2014
Q4
$1.25M Buy
32,358
+845
+3% +$30.7K 0.01% 1147
2014
Q3
$1.03M Buy
31,513
+11,696
+59% +$379K 0.01% 1113
2014
Q2
$649K Buy
19,817
+472
+2% +$12.8K 0.01% 1343
2014
Q1
$493K Buy
+19,345
New +$495K ﹤0.01% 1452

Other funds holding IRM

Stifel Financial's IRM Position: Q1 2026 in Review

Stifel Financial increased its Iron Mountain (IRM) stake by 12% in Q1 2026, buying an estimated $2.8M and bringing the position to 255,348 shares worth $26.1M. The position accounts for 0.02% of the portfolio, ranked #536.

Stifel Financial first reported a position in IRM in Q1 2014 and has held it in 48 quarters since. The position peaked at $69.3M in Q1 2019. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • Stifel Financial held 255,348 shares of Iron Mountain worth $26.1M as of Q1 2026.
  • Stifel Financial bought 28,114 Iron Mountain shares in Q1 2026, an estimated $2.8M.
  • Iron Mountain made up 0.02% of Stifel Financial's portfolio in Q1 2026, its #536 holding.
  • Stifel Financial first reported a position in Iron Mountain in Q1 2014 and has held it in 48 quarters since.
  • Stifel Financial's Iron Mountain position peaked at $69.3M in Q1 2019.
  • 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on Stifel Financial's 13F filing for Q1 2026, filed 12 May 2026.