Iron Mountain shares owned by Sumitomo Mitsui Asset Management Company
Quarter-by-quarter ownership of Iron Mountain (IRM) shares owned by Sumitomo Mitsui Asset Management Company
from 13F filings
Historical chart of Sumitomo Mitsui Asset Management Company investment in Iron Mountain
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All positions including Iron Mountain held by Sumitomo Mitsui Asset Management Company consolidated in one spreadsheet with up to 7 years of data
Download as csvQuarterly reported holdings in Iron Mountain by Sumitomo Mitsui Asset Management Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $10M | 100k | 101.94 |
| 2025-06-30 | $10M | 97k | 102.57 |
| 2025-03-31 | $8.2M | 95k | 86.04 |
| 2024-12-31 | $9.7M | 93k | 105.11 |
| 2024-09-30 | $10M | 85k | 118.83 |
| 2024-06-30 | $7.2M | 81k | 89.62 |
| 2024-03-31 | $6.2M | 78k | 80.21 |
| 2023-12-31 | $5.4M | 77k | 69.98 |
| 2023-09-30 | $4.4M | 73k | 59.45 |
| 2023-06-30 | $3.9M | 69k | 56.82 |
| 2023-03-31 | $3.6M | 67k | 52.91 |
| 2022-12-31 | $3.2M | 64k | 49.85 |
| 2022-09-30 | $2.7M | 62k | 43.97 |
| 2022-06-30 | $2.6M | 54k | 48.68 |
| 2022-03-31 | $2.8M | 50k | 55.40 |
| 2021-12-31 | $2.4M | 46k | 52.32 |
| 2021-09-30 | $1.9M | 43k | 43.45 |
| 2021-06-30 | $1.8M | 42k | 42.30 |
| 2021-03-31 | $1.4M | 39k | 37.00 |
| 2020-12-31 | $1.1M | 36k | 29.47 |
| 2020-09-30 | $997k | 37k | 26.78 |
| 2020-06-30 | $915k | 35k | 26.08 |
| 2020-03-31 | $764k | 32k | 23.78 |
| 2019-12-31 | $1.1M | 33k | 31.86 |
| 2019-09-30 | $1.0M | 31k | 32.37 |
| 2019-06-30 | $840k | 27k | 31.28 |
| 2019-03-31 | $3.0M | 86k | 35.45 |
| 2018-12-31 | $3.0M | 91k | 32.41 |
| 2018-09-30 | $3.5M | 100k | 34.51 |
| 2018-06-30 | $3.8M | 110k | 35.01 |
| 2018-03-31 | $3.6M | 110k | 32.85 |
| 2017-12-31 | $3.9M | 104k | 37.73 |
| 2017-09-30 | $1.1M | 29k | 38.87 |
| 2017-06-30 | $942k | 27k | 34.34 |
| 2017-03-31 | $1.2M | 34k | 35.65 |
| 2016-12-31 | $1.0M | 32k | 32.46 |
| 2016-09-30 | $1.1M | 30k | 37.51 |
| 2016-06-30 | $1.1M | 28k | 39.82 |
| 2016-03-31 | $698k | 21k | 33.90 |
| 2015-12-31 | $608k | 23k | 26.99 |
| 2015-09-30 | $639k | 21k | 31.01 |
| 2015-06-30 | $682k | 22k | 30.97 |
| 2015-03-31 | $685k | 19k | 36.44 |
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