Nissay Asset Management’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
$8.66M Buy
84,739
+1,862
+2% +$185K 0.05% 239
2025
Q4
$6.87M Buy
82,877
+2,194
+3% +$205K 0.04% 275
2025
Q3
$8.22M Sell
80,683
-133
-0.2% -$12.8K 0.05% 238
2025
Q2
$8.29M Buy
80,816
+1,867
+2% +$176K 0.05% 249
2025
Q1
$6.79M Buy
78,949
+1,241
+2% +$120K 0.04% 261
2024
Q4
$8.14M Buy
77,708
+1,636
+2% +$192K 0.05% 238
2024
Q3
$9.04M Buy
76,072
+2,632
+4% +$282K 0.06% 221
2024
Q2
$6.58M Buy
73,440
+3,469
+5% +$281K 0.04% 256
2024
Q1
$5.61M Buy
69,971
+1,090
+2% +$78.9K 0.04% 272
2023
Q4
$4.82M Buy
68,881
+2,881
+4% +$181K 0.04% 260
2023
Q3
$3.92M Buy
66,000
+2,527
+4% +$154K 0.03% 285
2023
Q2
$3.61M Buy
63,473
+428
+0.7% +$23.4K 0.03% 311
2023
Q1
$3.34M Buy
63,045
+291
+0.5% +$15.2K 0.03% 319
2022
Q4
$3.13M Sell
62,754
-939
-1% -$47.4K 0.03% 322
2022
Q3
$2.8M Buy
63,693
+2,976
+5% +$150K 0.03% 334
2022
Q2
$2.96M Buy
60,717
+305
+0.5% +$16.1K 0.03% 327
2022
Q1
$3.35M Buy
60,412
+983
+2% +$46.8K 0.03% 344
2021
Q4
$3.11M Buy
59,429
+868
+1% +$41K 0.02% 374
2021
Q3
$2.54M Buy
58,561
+2,772
+5% +$125K 0.02% 395
2021
Q2
$2.36M Buy
55,789
+101
+0.2% +$4.24K 0.02% 407
2021
Q1
$2.06M Buy
55,688
+736
+1% +$24.6K 0.02% 418
2020
Q4
$1.62M Sell
54,952
-2,378
-4% -$66K 0.02% 462
2020
Q3
$1.54M Buy
57,330
+1,483
+3% +$42.2K 0.03% 420
2020
Q2
$1.46M Sell
55,847
-38,949
-41% -$984K 0.03% 427
2020
Q1
$2.26M Buy
94,796
+1,572
+2% +$47.6K 0.06% 298
2019
Q4
$2.97M Buy
93,224
+1,826
+2% +$59.9K 0.07% 310
2019
Q3
$2.96M Buy
91,398
+1,126
+1% +$35.4K 0.07% 298
2019
Q2
$2.83M Buy
90,272
+503
+0.6% +$16.5K 0.07% 305
2019
Q1
$3.18M Buy
89,769
+1,358
+2% +$48K 0.08% 280
2018
Q4
$2.87M Buy
88,411
+1,098
+1% +$36K 0.09% 275
2018
Q3
$3.01M Buy
87,313
+2,144
+3% +$76.4K 0.08% 287
2018
Q2
$2.98M Buy
85,169
+2,615
+3% +$88.3K 0.09% 285
2018
Q1
$2.71M Sell
82,554
-15,304
-16% -$516K 0.08% 288
2017
Q4
$3.69M Buy
+97,858
New +$3.88M 0.11% 235

Other funds holding IRM

Nissay Asset Management's IRM Position: Q1 2026 in Review

Nissay Asset Management increased its Iron Mountain (IRM) stake by 2.2% in Q1 2026, buying an estimated $185K and bringing the position to 84,739 shares worth $8.66M. The position accounts for 0.05% of the portfolio, ranked #239.

Nissay Asset Management first reported a position in IRM in Q4 2017 and has held it in 34 quarters since. The position peaked at $9.04M in Q3 2024. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • Nissay Asset Management held 84,739 shares of Iron Mountain worth $8.66M as of Q1 2026.
  • Nissay Asset Management bought 1,862 Iron Mountain shares in Q1 2026, an estimated $185K.
  • Iron Mountain made up 0.05% of Nissay Asset Management's portfolio in Q1 2026, its #239 holding.
  • Nissay Asset Management first reported a position in Iron Mountain in Q4 2017 and has held it in 34 quarters since.
  • Nissay Asset Management's Iron Mountain position peaked at $9.04M in Q3 2024.
  • 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on Nissay Asset Management's 13F filing for Q1 2026, filed 15 May 2026.