Iron Mountain shares owned by Chesley, Taft & Associates
Quarter-by-quarter ownership of Iron Mountain (IRM) shares owned by Chesley, Taft & Associates
from 13F filings
Historical chart of Chesley, Taft & Associates investment in Iron Mountain
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Quarterly reported holdings in Iron Mountain by Chesley, Taft & Associates
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $1.2M | 12k | 101.94 |
| 2025-06-30 | $1.2M | 12k | 102.57 |
| 2025-03-31 | $1.0M | 12k | 86.04 |
| 2024-12-31 | $1.2M | 11k | 105.11 |
| 2024-09-30 | $1.4M | 12k | 118.83 |
| 2024-06-30 | $1.2M | 13k | 89.62 |
| 2024-03-31 | $1.2M | 15k | 80.21 |
| 2023-12-31 | $1.0M | 15k | 69.98 |
| 2023-09-30 | $826k | 14k | 59.45 |
| 2015-03-31 | $593k | 16k | 36.46 |
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