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Iron Mountain shares owned by Bamco

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

Historical chart of Bamco investment in Iron Mountain

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All positions including Iron Mountain held by Bamco consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Iron Mountain by Bamco

Quarter filed Position value Share count Share price at filing
2025-09-30 $45M 437k 101.94
2025-06-30 $11M 108k 102.57
2024-12-31 $9.5M 90k 105.11
2024-09-30 $19M 159k 118.83