Nomura Holdings’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 | $986K | Sell |
9,655
-5,176
| -35% | -$515K | ﹤0.01% | 1165 |
|
|
2025
Q4 | $1.23M | Sell |
14,831
-121
| -0.8% | -$11.3K | ﹤0.01% | 1267 |
|
|
2025
Q3 | $1.52M | Buy |
+14,952
| New | +$1.44M | ﹤0.01% | 1245 |
|
|
2025
Q2 | – | Sell |
-74,514
| Closed | -$6.41M | – | 1697 |
|
|
2025
Q1 | $6.41M | Buy |
74,514
+30,780
| +70% | +$2.97M | 0.01% | 620 |
|
|
2024
Q4 | $4.6M | Buy |
43,734
+20,551
| +89% | +$2.41M | 0.01% | 800 |
|
|
2024
Q3 | $2.75M | Buy |
23,183
+18,943
| +447% | +$2.03M | 0.01% | 841 |
|
|
2024
Q2 | $380K | Buy |
+4,240
| New | +$343K | ﹤0.01% | 1398 |
|
|
2024
Q1 | – | Sell |
-51,817
| Closed | -$3.63M | – | 1828 |
|
|
2023
Q4 | $3.63M | Buy |
+51,817
| New | +$3.25M | 0.01% | 772 |
|
|
2021
Q3 | – | Sell |
-10,070
| Closed | -$426K | – | 2089 |
|
|
2021
Q2 | $426K | Buy |
+10,070
| New | +$422K | ﹤0.01% | 1434 |
|
|
2021
Q1 | – | Sell |
-13,357
| Closed | -$394K | – | 2090 |
|
|
2020
Q4 | $394K | Buy |
+13,357
| New | +$371K | ﹤0.01% | 1285 |
|
|
2020
Q3 | – | Sell |
-22,260
| Closed | -$580K | – | 1370 |
|
|
2020
Q2 | $580K | Buy |
+22,260
| New | +$562K | ﹤0.01% | 844 |
|
|
2019
Q3 | – | Sell |
-41,534
| Closed | -$1.28M | – | 1294 |
|
|
2019
Q2 | $1.28M | Buy |
41,534
+70
| +0.2% | +$2.29K | 0.01% | 773 |
|
|
2019
Q1 | $1.48M | Buy |
41,464
+34,749
| +517% | +$1.23M | 0.01% | 731 |
|
|
2018
Q4 | $217K | Sell |
6,715
-35,047
| -84% | -$1.15M | ﹤0.01% | 1075 |
|
|
2018
Q3 | $1.44M | Buy |
+41,762
| New | +$1.49M | 0.01% | 815 |
|
|
2018
Q2 | – | Sell |
-22,091
| Closed | -$724 | – | 1416 |
|
|
2018
Q1 | $724 | Buy |
22,091
+4,051
| +22% | +$137K | ﹤0.01% | 1131 |
|
|
2017
Q4 | $681K | Buy |
18,040
+4,585
| +34% | +$182K | ﹤0.01% | 1227 |
|
|
2017
Q3 | $523K | Sell |
13,455
-5,135
| -28% | -$192K | ﹤0.01% | 1240 |
|
|
2017
Q2 | $639K | Buy |
+18,590
| New | +$650K | ﹤0.01% | 1150 |
|
|
2017
Q1 | – | Sell |
-13,490
| Closed | -$438K | – | 1437 |
|
|
2016
Q4 | $438K | Buy |
+13,490
| New | +$448K | ﹤0.01% | 1269 |
|
|
2016
Q1 | – | Sell |
-23,000
| Closed | -$623K | – | 1765 |
|
|
2015
Q4 | $623K | Buy |
+23,000
| New | +$675K | ﹤0.01% | 962 |
|
|
2015
Q3 | – | Sell |
-32,235
| Closed | -$1.01M | – | 1796 |
|
|
2015
Q2 | $1.01M | Buy |
+32,235
| New | +$1.13M | ﹤0.01% | 1036 |
|
|
2014
Q4 | – | Sell |
-253,021
| Closed | -$8.23M | – | 2491 |
|
|
2014
Q3 | $8.23M | Sell |
253,021
-547,383
| -68% | -$17.7M | 0.02% | 497 |
|
|
2014
Q2 | $26M | Buy |
800,404
+579,625
| +263% | +$15.7M | 0.01% | 249 |
|
|
2014
Q1 | $5.62M | Buy |
220,779
+210,074
| +1,962% | +$5.37M | ﹤0.01% | 704 |
|
|
2013
Q4 | $300K | Sell |
10,705
-33,163
| -76% | -$850K | ﹤0.01% | 1544 |
|
|
2013
Q3 | $1.09M | Sell |
43,868
-19,578
| -31% | -$497K | 0.01% | 1046 |
|
|
2013
Q2 | $1.56M | Buy |
+63,446
| New | +$2.05M | 0.01% | 792 |
|
Other funds holding IRM
VPM
VCM
Nomura Holdings's IRM Position: Q1 2026 in Review
Nomura Holdings reduced its Iron Mountain (IRM) stake by 35% in Q1 2026, selling an estimated $515K and leaving 9,655 shares worth $986K. The position accounts for ﹤0.01% of the portfolio, ranked #1165.
Nomura Holdings first reported a position in IRM in Q2 2013 and has held it in 28 quarters since. The position peaked at $26M in Q2 2014. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.
- Nomura Holdings held 9,655 shares of Iron Mountain worth $986K as of Q1 2026.
- Nomura Holdings sold 5,176 Iron Mountain shares in Q1 2026, an estimated $515K.
- Iron Mountain made up ﹤0.01% of Nomura Holdings's portfolio in Q1 2026, its #1165 holding.
- Nomura Holdings first reported a position in Iron Mountain in Q2 2013 and has held it in 28 quarters since.
- Nomura Holdings's Iron Mountain position peaked at $26M in Q2 2014.
- 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.
Based on Nomura Holdings's 13F filing for Q1 2026, filed 15 May 2026.