Iron Mountain shares owned by Amalgamated Bank
Quarter-by-quarter ownership of Iron Mountain (IRM) shares owned by Amalgamated Bank
from 13F filings
Historical chart of Amalgamated Bank investment in Iron Mountain
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All positions including Iron Mountain held by Amalgamated Bank consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Iron Mountain by Amalgamated Bank
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $5.7M | 56k | 101.95 |
| 2025-06-30 | $5.9M | 57k | 102.57 |
| 2025-03-31 | $5.2M | 60k | 86.04 |
| 2024-12-31 | $6.2M | 59k | 105.10 |
| 2024-09-30 | $7.1M | 60k | 118.84 |
| 2024-06-30 | $5.5M | 61k | 89.62 |
| 2024-03-31 | $4.9M | 62k | 80.21 |
| 2023-12-31 | $5.5M | 79k | 69.98 |
| 2023-09-30 | $4.9M | 82k | 59.45 |
| 2023-06-30 | $4.2M | 74k | 56.82 |
| 2023-03-31 | $5.4M | 102k | 52.91 |
| 2022-12-31 | $5.4M | 109k | 49.85 |
| 2022-09-30 | $4.7M | 107k | 43.97 |
| 2022-06-30 | $5.5M | 113k | 48.69 |
| 2022-03-31 | $5.9M | 106k | 55.41 |
| 2021-12-31 | $5.5M | 106k | 52.33 |
| 2021-09-30 | $5.0M | 115k | 43.45 |
| 2021-06-30 | $5.0M | 118k | 42.32 |
| 2021-03-31 | $1.8M | 49k | 37.02 |
| 2020-12-31 | $1.5M | 52k | 29.48 |
| 2020-09-30 | $1.4M | 52k | 26.78 |
| 2020-06-30 | $1.4M | 53k | 26.09 |
| 2020-03-31 | $1.6M | 67k | 23.80 |
| 2019-12-31 | $2.2M | 68k | 31.87 |
| 2019-09-30 | $2.0M | 62k | 32.39 |
| 2019-06-30 | $1.9M | 62k | 31.30 |
| 2019-03-31 | $2.1M | 58k | 35.46 |
| 2018-12-31 | $1.9M | 57k | 32.40 |
| 2018-09-30 | $2.0M | 57k | 34.53 |
| 2018-06-30 | $2.0M | 58k | 35.01 |
| 2018-03-31 | $2.1M | 64k | 32.87 |
| 2017-12-31 | $2.2M | 59k | 37.73 |
| 2017-09-30 | $2.1M | 54k | 38.90 |
| 2017-06-30 | $1.8M | 53k | 34.37 |
| 2017-03-31 | $1.5M | 42k | 35.67 |
| 2016-12-31 | $1.6M | 50k | 32.49 |
| 2016-09-30 | $255k | 6.8k | 37.54 |
| 2016-06-30 | $1.7M | 46k | 37.04 |
| 2016-03-31 | $879k | 26k | 33.90 |
| 2015-12-31 | $644k | 24k | 27.01 |
| 2015-09-30 | $789k | 25k | 31.01 |
| 2015-06-30 | $775k | 25k | 30.99 |
| 2015-03-31 | $743k | 20k | 36.49 |