Iron Mountain shares owned by Chicago Capital
Quarter-by-quarter ownership of Iron Mountain (IRM) shares owned by Chicago Capital
from 13F filings
Historical chart of Chicago Capital investment in Iron Mountain
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Quarterly reported holdings in Iron Mountain by Chicago Capital
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $8.6M | 84k | 101.94 |
| 2025-06-30 | $10M | 98k | 102.57 |
| 2025-03-31 | $8.5M | 99k | 86.04 |
| 2024-12-31 | $11M | 103k | 105.11 |
| 2024-09-30 | $12M | 103k | 118.83 |
| 2024-06-30 | $7.6M | 85k | 89.62 |
| 2024-03-31 | $6.9M | 86k | 80.21 |
| 2023-12-31 | $6.1M | 87k | 69.98 |
| 2023-09-30 | $5.5M | 92k | 59.45 |
| 2023-06-30 | $5.2M | 92k | 56.82 |
| 2023-03-31 | $4.9M | 92k | 52.91 |
| 2022-12-31 | $4.6M | 92k | 49.85 |
| 2022-09-30 | $4.1M | 92k | 43.97 |
| 2022-06-30 | $4.5M | 93k | 48.69 |
| 2022-03-31 | $5.1M | 93k | 55.41 |
| 2021-12-31 | $4.9M | 94k | 52.33 |
| 2021-09-30 | $4.1M | 94k | 43.45 |
| 2021-06-30 | $4.0M | 94k | 42.32 |
| 2021-03-31 | $3.5M | 94k | 37.01 |
| 2020-12-31 | $2.9M | 97k | 29.48 |
| 2020-09-30 | $2.7M | 100k | 26.79 |
| 2020-06-30 | $2.9M | 111k | 26.10 |
| 2020-03-31 | $13M | 546k | 23.80 |
| 2019-12-31 | $21M | 658k | 31.87 |
| 2019-09-30 | $29M | 895k | 32.39 |
| 2019-06-30 | $28M | 895k | 31.30 |
| 2019-03-31 | $31M | 881k | 35.46 |
| 2018-12-31 | $27M | 835k | 32.41 |
| 2018-09-30 | $30M | 868k | 34.52 |
| 2018-06-30 | $27M | 777k | 35.01 |
| 2018-03-31 | $12M | 350k | 32.86 |