Iron Mountain shares owned by Millennium Management
Quarter-by-quarter ownership of Iron Mountain (IRM) shares owned by Millennium Management
from 13F filings
Historical chart of Millennium Management investment in Iron Mountain
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Quarterly reported holdings in Iron Mountain by Millennium Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $55M | 541k | 101.94 |
| 2025-06-30 | $66M | 644k | 102.57 |
| 2025-03-31 | $68M | 793k | 86.04 |
| 2024-12-31 | $9.2M | 87k | 105.11 |
| 2024-09-30 | $16M | 137k | 118.83 |
| 2024-06-30 | $8.3M | 92k | 89.62 |
| 2024-03-31 | $81M | 1.0M | 80.21 |
| 2023-12-31 | $4.5M | 64k | 69.98 |
| 2023-09-30 | $6.3M | 106k | 59.45 |
| 2023-06-30 | $31M | 542k | 56.82 |
| 2023-03-31 | $15M | 291k | 52.91 |
| 2022-12-31 | $3.3M | 65k | 49.84 |
| 2022-06-30 | $40M | 815k | 48.69 |
| 2022-03-31 | $38M | 676k | 55.41 |
| 2021-09-30 | $26M | 603k | 43.45 |
| 2021-06-30 | $43M | 1.0M | 42.32 |
| 2021-03-31 | $39M | 1.0M | 37.01 |
| 2020-12-31 | $26M | 880k | 29.48 |
| 2020-09-30 | $30M | 1.1M | 26.79 |
| 2020-06-30 | $1.6M | 62k | 26.09 |
| 2020-03-31 | $15M | 608k | 23.80 |
| 2019-09-30 | $12M | 368k | 32.39 |
| 2019-06-30 | $4.4M | 141k | 31.30 |
| 2019-03-31 | $42M | 1.2M | 35.46 |
| 2018-12-31 | $410k | 13k | 32.41 |
| 2018-09-30 | $1.1M | 31k | 34.52 |
| 2018-03-31 | $22M | 669k | 32.86 |
| 2017-06-30 | $2.5M | 72k | 34.36 |
| 2016-03-31 | $25M | 746k | 33.91 |
| 2015-12-31 | $13M | 474k | 27.01 |