Iron Mountain shares owned by Atlantic Trust
Historical chart of Atlantic Trust investment in Iron Mountain
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All positions including Iron Mountain held by Atlantic Trust consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Iron Mountain by Atlantic Trust
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $74M | 721k | 101.94 |
| 2025-06-30 | $75M | 733k | 102.57 |
| 2025-03-31 | $57M | 737k | 76.93 |
| 2024-12-31 | $105M | 1.0M | 102.85 |
| 2024-09-30 | $122M | 1.0M | 118.83 |
| 2024-06-30 | $97M | 1.0M | 92.87 |
| 2024-03-31 | $84M | 1.1M | 79.54 |
| 2023-09-30 | $65M | 1.1M | 59.45 |
| 2023-06-30 | $71M | 1.3M | 56.82 |
| 2023-03-31 | $154M | 1.2M | 129.16 |
| 2022-12-31 | $59M | 1.2M | 49.85 |
| 2022-09-30 | $54M | 1.2M | 44.20 |
| 2022-06-30 | $59M | 1.2M | 48.69 |
| 2022-03-31 | $41M | 736k | 55.41 |
| 2021-12-31 | $3.1M | 60k | 52.33 |
| 2021-09-30 | $849k | 20k | 43.47 |
| 2021-06-30 | $1.1M | 25k | 42.34 |
| 2021-03-31 | $947k | 26k | 37.03 |
| 2020-12-31 | $760k | 26k | 29.52 |
| 2020-09-30 | $271k | 10k | 26.81 |
| 2020-03-31 | $1.0M | 43k | 23.79 |
| 2019-12-31 | $443k | 14k | 31.87 |
| 2019-09-30 | $400k | 12k | 32.39 |
| 2019-06-30 | $387k | 12k | 31.33 |
| 2019-03-31 | $433k | 12k | 35.47 |
| 2018-12-31 | $392k | 12k | 32.39 |
| 2018-09-30 | $419k | 12k | 34.52 |
| 2018-06-30 | $424k | 12k | 35.04 |
| 2018-03-31 | $398k | 12k | 32.89 |
| 2017-12-31 | $425k | 11k | 37.74 |
| 2017-09-30 | $438k | 11k | 38.90 |