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Iron Mountain shares owned by Atlantic Trust

Quarter-by-quarter ownership of Iron Mountain (IRM) shares owned by Atlantic Trust from 13F filings

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
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