Chicago Capital’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
$8.83M Sell
69,881
-14,070
-17% -$1.72M 0.21% 67
2026
Q1
$8.57M Buy
83,951
+789
+0.9% +$78.5K 0.23% 61
2025
Q4
$6.9M Sell
83,162
-854
-1% -$79.9K 0.17% 75
2025
Q3
$8.56M Sell
84,016
-13,620
-14% -$1.31M 0.21% 68
2025
Q2
$10M Sell
97,636
-1,578
-2% -$149K 0.25% 66
2025
Q1
$8.54M Sell
99,214
-3,863
-4% -$372K 0.24% 64
2024
Q4
$10.8M Buy
103,077
+24
+0% +$2.82K 0.29% 62
2024
Q3
$12.2M Buy
103,053
+17,961
+21% +$1.92M 0.34% 56
2024
Q2
$7.63M Sell
85,092
-940
-1% -$76.1K 0.23% 68
2024
Q1
$6.9M Sell
86,032
-490
-0.6% -$35.5K 0.21% 68
2023
Q4
$6.05M Sell
86,522
-5,634
-6% -$353K 0.22% 66
2023
Q3
$5.48M Hold
92,156
0.26% 53
2023
Q2
$5.24M Hold
92,156
0.24% 54
2023
Q1
$4.88M Hold
92,156
0.24% 57
2022
Q4
$4.59M Hold
92,156
0.25% 61
2022
Q3
$4.05M Sell
92,156
-300
-0.3% -$15.2K 0.23% 62
2022
Q2
$4.5M Sell
92,456
-473
-0.5% -$24.9K 0.25% 60
2022
Q1
$5.15M Sell
92,929
-536
-0.6% -$25.5K 0.22% 62
2021
Q4
$4.89M Hold
93,465
0.18% 64
2021
Q3
$4.06M Sell
93,465
-24
-0% -$1.08K 0.15% 63
2021
Q2
$3.96M Sell
93,489
-927
-1% -$38.9K 0.15% 63
2021
Q1
$3.49M Sell
94,416
-2,404
-2% -$80.4K 0.15% 63
2020
Q4
$2.85M Sell
96,820
-2,792
-3% -$77.5K 0.13% 66
2020
Q3
$2.67M Sell
99,612
-11,306
-10% -$322K 0.14% 72
2020
Q2
$2.9M Sell
110,918
-434,645
-80% -$11M 0.17% 69
2020
Q1
$13M Sell
545,563
-112,275
-17% -$3.4M 1.05% 37
2019
Q4
$21M Sell
657,838
-236,893
-26% -$7.77M 1.28% 41
2019
Q3
$29M Buy
894,731
+237
+0% +$7.44K 1.94% 21
2019
Q2
$28M Buy
894,494
+13,997
+2% +$459K 1.79% 23
2019
Q1
$31.2M Buy
880,497
+45,951
+6% +$1.62M 2.12% 13
2018
Q4
$27M Sell
834,546
-33,107
-4% -$1.09M 2.21% 10
2018
Q3
$30M Buy
867,653
+90,488
+12% +$3.22M 2.07% 16
2018
Q2
$27.2M Buy
777,165
+426,848
+122% +$14.4M 2.19% 8
2018
Q1
$11.5M Buy
+350,317
New +$11.8M 1.54% 31

Other funds holding IRM

Chicago Capital's IRM Position: Q2 2026 in Review

Chicago Capital reduced its Iron Mountain (IRM) stake by 17% in Q2 2026, selling an estimated $1.72M and leaving 69,881 shares worth $8.83M. The position accounts for 0.21% of the portfolio, ranked #67.

Chicago Capital first reported a position in IRM in Q1 2018 and has held it in 34 quarters since. The position peaked at $31.2M in Q1 2019. 449 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • Chicago Capital held 69,881 shares of Iron Mountain worth $8.83M as of Q2 2026.
  • Chicago Capital sold 14,070 Iron Mountain shares in Q2 2026, an estimated $1.72M.
  • Iron Mountain made up 0.21% of Chicago Capital's portfolio in Q2 2026, its #67 holding.
  • Chicago Capital first reported a position in Iron Mountain in Q1 2018 and has held it in 34 quarters since.
  • Chicago Capital's Iron Mountain position peaked at $31.2M in Q1 2019.
  • 449 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Chicago Capital's 13F filing for Q2 2026, filed 28 Jul 2026.