Capital Fund Management (CFM)’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
Sell
-67,500
Closed -$5.6M 2313
2025
Q4
$5.6M Sell
67,500
-40,100
-37% -$3.75M 0.02% 1131
2025
Q3
$11M Sell
107,600
-84,600
-44% -$8.15M 0.03% 774
2025
Q2
$19.7M Sell
192,200
-49,400
-20% -$4.66M 0.05% 467
2025
Q1
$20.8M Buy
241,600
+99,400
+70% +$9.58M 0.06% 424
2024
Q4
$14.9M Buy
142,200
+19,100
+16% +$2.24M 0.04% 575
2024
Q3
$14.6M Buy
123,100
+200
+0.2% +$21.4K 0.04% 576
2024
Q2
$11M Sell
122,900
-44,400
-27% -$3.59M 0.03% 632
2024
Q1
$13.4M Buy
167,300
+124,800
+294% +$9.03M 0.04% 599
2023
Q4
$2.97M Buy
+42,500
New +$2.67M 0.01% 1338
2023
Q2
Sell
-26,700
Closed -$1.41M 1781
2023
Q1
$1.41M Buy
+26,700
New +$1.4M 0.01% 1175
2022
Q3
Sell
-31,300
Closed -$1.52M 1535
2022
Q2
$1.52M Buy
+31,300
New +$1.65M 0.01% 926
2022
Q1
Sell
-52,500
Closed -$2.75M 1611
2021
Q4
$2.75M Buy
52,500
+20,200
+63% +$955K 0.02% 894
2021
Q3
$1.4M Buy
32,300
+3,000
+10% +$135K 0.01% 1063
2021
Q2
$1.24M Buy
29,300
+15,600
+114% +$654K 0.01% 1101
2021
Q1
$507K Buy
+13,700
New +$458K 0.01% 1134
2020
Q1
Sell
-13,200
Closed -$421K 1790
2019
Q4
$421K Sell
13,200
-8,600
-39% -$282K ﹤0.01% 1464
2019
Q3
$706K Buy
21,800
+8,600
+65% +$270K 0.01% 1131
2019
Q2
$413K Buy
13,200
+4,900
+59% +$161K ﹤0.01% 1274
2019
Q1
$294K Sell
8,300
-5,400
-39% -$191K ﹤0.01% 1449
2018
Q4
$444K Sell
13,700
-38,100
-74% -$1.25M ﹤0.01% 1432
2018
Q3
$1.79M Buy
51,800
+14,100
+37% +$502K 0.01% 1163
2018
Q2
$1.32M Buy
37,700
+3,300
+10% +$111K 0.01% 1232
2018
Q1
$1.13M Buy
34,400
+14,100
+69% +$475K 0.01% 1194
2017
Q4
$766K Buy
+20,300
New +$806K ﹤0.01% 1311
2017
Q1
Sell
-16,200
Closed -$526K 1638
2016
Q4
$526K Buy
16,200
+6,600
+69% +$219K ﹤0.01% 1244
2016
Q3
$360K Buy
9,600
+4,200
+78% +$162K ﹤0.01% 1325
2016
Q2
$215K Buy
+5,400
New +$197K ﹤0.01% 1423
2015
Q2
Sell
-7,000
Closed -$255K 1578
2015
Q1
$255K Buy
+7,000
New +$270K ﹤0.01% 1302

Other funds holding IRM

Capital Fund Management (CFM)'s IRM Position: Q4 2025 in Review

Capital Fund Management (CFM) sold out of Iron Mountain (IRM) in Q4 2025, closing a stake of 118,570 shares — an estimated $11.1M sold.

Capital Fund Management (CFM) first reported a position in IRM in Q2 2013 and held it in 12 quarters. The position peaked at $16.1M in Q2 2025. 1,006 funds tracked by Wall St. Rank hold IRM as of Q4 2025.

  • Capital Fund Management (CFM) reported no remaining Iron Mountain position as of Q4 2025 after selling out during the quarter.
  • Capital Fund Management (CFM) sold 118,570 Iron Mountain shares in Q4 2025, an estimated $11.1M.
  • Capital Fund Management (CFM) first reported a position in Iron Mountain in Q2 2013 and held it in 12 quarters.
  • Capital Fund Management (CFM)'s Iron Mountain position peaked at $16.1M in Q2 2025.
  • 1,006 funds tracked by Wall St. Rank held Iron Mountain as of Q4 2025.

Based on Capital Fund Management (CFM)'s 13F filing for Q4 2025, filed 17 Feb 2026.