Iron Mountain shares owned by Acadian Asset Management
Quarter-by-quarter ownership of Iron Mountain (IRM) shares owned by Acadian Asset Management
from 13F filings
Historical chart of Acadian Asset Management investment in Iron Mountain
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Quarterly reported holdings in Iron Mountain by Acadian Asset Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $6.4M | 62k | 101.86 |
| 2025-06-30 | $206k | 2.0k | 102.54 |
| 2024-12-31 | $2.3M | 22k | 105.05 |
| 2024-09-30 | $67M | 561k | 118.81 |
| 2024-06-30 | $7.5M | 84k | 89.58 |
| 2024-03-31 | $8.6M | 107k | 80.17 |
| 2023-09-30 | $3.6M | 60k | 59.40 |
| 2023-06-30 | $3.0M | 53k | 56.77 |
| 2023-03-31 | $474k | 9.0k | 52.86 |
| 2022-12-31 | $447k | 9.0k | 49.85 |
| 2022-09-30 | $1.8M | 41k | 43.89 |
| 2022-06-30 | $210k | 4.3k | 48.68 |
| 2022-03-31 | $137k | 2.5k | 54.73 |
| 2021-12-31 | $113k | 2.2k | 51.95 |
| 2021-09-30 | $2.8M | 64k | 43.39 |
| 2021-06-30 | $1.4M | 33k | 42.33 |
| 2021-03-31 | $25k | 684 | 36.55 |
| 2020-12-31 | $625k | 21k | 29.48 |
| 2020-09-30 | $460k | 17k | 26.74 |
| 2020-06-30 | $352k | 14k | 26.07 |
| 2015-06-30 | $203k | 6.5k | 31.04 |