Iron Mountain shares owned by Nomura Asset Management
Quarter-by-quarter ownership of Iron Mountain (IRM) shares owned by Nomura Asset Management
from 13F filings
Historical chart of Nomura Asset Management investment in Iron Mountain
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Quarterly reported holdings in Iron Mountain by Nomura Asset Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $54M | 529k | 101.94 |
| 2025-06-30 | $53M | 518k | 102.57 |
| 2025-03-31 | $43M | 498k | 86.04 |
| 2024-12-31 | $50M | 475k | 105.11 |
| 2024-09-30 | $54M | 456k | 118.83 |
| 2024-03-31 | $34M | 425k | 80.21 |
| 2023-12-31 | $29M | 413k | 69.98 |
| 2023-09-30 | $24M | 406k | 59.45 |
| 2023-06-30 | $23M | 402k | 56.82 |
| 2023-03-31 | $21M | 393k | 52.91 |
| 2022-12-31 | $19M | 388k | 49.85 |
| 2022-09-30 | $16M | 363k | 43.97 |
| 2022-06-30 | $17M | 344k | 48.69 |
| 2022-03-31 | $19M | 335k | 55.41 |
| 2021-12-31 | $18M | 346k | 52.33 |
| 2021-09-30 | $14M | 324k | 43.45 |
| 2021-06-30 | $15M | 353k | 42.32 |
| 2021-03-31 | $13M | 356k | 37.01 |
| 2020-12-31 | $8.8M | 299k | 29.48 |
| 2020-09-30 | $7.7M | 289k | 26.79 |
| 2020-06-30 | $7.0M | 267k | 26.10 |
| 2020-03-31 | $6.2M | 261k | 23.64 |
| 2019-12-31 | $8.1M | 255k | 31.87 |
| 2019-09-30 | $7.7M | 239k | 32.39 |
| 2019-06-30 | $7.3M | 235k | 31.30 |
| 2019-03-31 | $8.4M | 237k | 35.46 |
| 2018-12-31 | $7.7M | 239k | 32.41 |
| 2018-09-30 | $8.1M | 234k | 34.52 |
| 2018-06-30 | $7.8M | 222k | 35.01 |
| 2018-03-31 | $7.4M | 225k | 32.92 |
| 2017-12-31 | $7.9M | 210k | 37.73 |
| 2017-09-30 | $7.8M | 201k | 38.90 |
| 2017-06-30 | $6.6M | 193k | 34.17 |
| 2017-03-31 | $6.9M | 192k | 35.83 |
| 2016-12-31 | $6.3M | 191k | 32.92 |
| 2016-09-30 | $6.8M | 180k | 37.53 |
| 2016-06-30 | $7.1M | 179k | 39.83 |
| 2016-03-31 | $4.8M | 142k | 33.91 |
| 2015-12-31 | $3.6M | 133k | 27.01 |
| 2015-09-30 | $3.9M | 124k | 31.02 |
| 2015-06-30 | $3.5M | 113k | 31.00 |
| 2015-03-31 | $3.6M | 100k | 36.48 |