Ancora Advisors’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
$2.13M Sell
20,892
-1,156
-5% -$115K 0.05% 279
2025
Q4
$1.83M Sell
22,048
-406
-2% -$38K 0.04% 312
2025
Q3
$2.29M Sell
22,454
-386
-2% -$37.2K 0.05% 268
2025
Q2
$2.34M Buy
22,840
+100
+0.4% +$9.43K 0.05% 265
2025
Q1
$1.96M Hold
22,740
0.04% 278
2024
Q4
$2.39M Sell
22,740
-401
-2% -$47.1K 0.05% 254
2024
Q3
$2.75M Sell
23,141
-1,173
-5% -$125K 0.06% 234
2024
Q2
$2.18M Sell
24,314
-150
-0.6% -$12.1K 0.05% 256
2024
Q1
$1.96M Sell
24,464
-581
-2% -$42.1K 0.04% 277
2023
Q4
$1.75M Sell
25,045
-503
-2% -$31.6K 0.04% 291
2023
Q3
$1.52M Sell
25,548
-118
-0.5% -$7.21K 0.04% 292
2023
Q2
$1.46M Sell
25,666
-511
-2% -$28K 0.04% 292
2023
Q1
$1.39M Buy
26,177
+803
+3% +$42.1K 0.04% 305
2022
Q4
$1.26M Sell
25,374
-259
-1% -$13.1K 0.04% 316
2022
Q3
$1.13M Sell
25,633
-5,277
-17% -$266K 0.03% 332
2022
Q2
$1.5M Sell
30,910
-24
-0.1% -$1.26K 0.04% 297
2022
Q1
$1.71M Sell
30,934
-941
-3% -$44.8K 0.04% 303
2021
Q4
$1.67M Buy
31,875
+454
+1% +$21.5K 0.04% 309
2021
Q3
$1.36M Sell
31,421
-996
-3% -$44.8K 0.04% 332
2021
Q2
$1.37M Sell
32,417
-796
-2% -$33.4K 0.04% 339
2021
Q1
$1.23M Buy
33,213
+20,051
+152% +$670K 0.03% 344
2020
Q4
$388K Buy
13,162
+20
+0.2% +$555 0.01% 515
2020
Q3
$352K Buy
13,142
+5,730
+77% +$163K 0.01% 501
2020
Q2
$193K Buy
+7,412
New +$187K 0.01% 593
2018
Q4
Sell
-155
Closed -$5K 909
2018
Q3
$5K Buy
+155
New +$5.52K ﹤0.01% 1252
2017
Q1
Sell
-155
Closed -$5K 842
2016
Q4
$5K Buy
+155
New +$5.15K ﹤0.01% 1118

Other funds holding IRM

Ancora Advisors's IRM Position: Q1 2026 in Review

Ancora Advisors reduced its Iron Mountain (IRM) stake by 5.2% in Q1 2026, selling an estimated $115K and leaving 20,892 shares worth $2.13M. The position accounts for 0.05% of the portfolio, ranked #279.

Ancora Advisors first reported a position in IRM in Q4 2016 and has held it in 26 quarters since. The position peaked at $2.75M in Q3 2024. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • Ancora Advisors held 20,892 shares of Iron Mountain worth $2.13M as of Q1 2026.
  • Ancora Advisors sold 1,156 Iron Mountain shares in Q1 2026, an estimated $115K.
  • Iron Mountain made up 0.05% of Ancora Advisors's portfolio in Q1 2026, its #279 holding.
  • Ancora Advisors first reported a position in Iron Mountain in Q4 2016 and has held it in 26 quarters since.
  • Ancora Advisors's Iron Mountain position peaked at $2.75M in Q3 2024.
  • 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on Ancora Advisors's 13F filing for Q1 2026, filed 15 May 2026.