Iron Mountain shares owned by Two Sigma Advisers
Quarter-by-quarter ownership of Iron Mountain (IRM) shares owned by Two Sigma Advisers
from 13F filings
Historical chart of Two Sigma Advisers investment in Iron Mountain
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Quarterly reported holdings in Iron Mountain by Two Sigma Advisers
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-12-31 | $11M | 130k | 82.95 |
| 2025-09-30 | $663k | 6.5k | 101.94 |
| 2025-06-30 | $3.7M | 36k | 102.57 |
| 2025-03-31 | $5.4M | 63k | 86.04 |
| 2024-12-31 | $809k | 7.7k | 105.11 |
| 2021-09-30 | $1.6M | 36k | 43.46 |
| 2021-06-30 | $2.3M | 55k | 42.31 |
| 2021-03-31 | $3.1M | 83k | 37.01 |
| 2020-12-31 | $2.7M | 93k | 29.48 |
| 2020-09-30 | $11M | 404k | 26.79 |
| 2020-06-30 | $9.0M | 345k | 26.10 |
| 2020-03-31 | $13M | 536k | 23.80 |
| 2019-12-31 | $13M | 395k | 31.87 |
| 2019-09-30 | $14M | 436k | 32.39 |
| 2019-06-30 | $15M | 482k | 31.30 |
| 2019-03-31 | $19M | 543k | 35.46 |
| 2018-12-31 | $4.0M | 122k | 32.41 |
| 2018-09-30 | $820k | 24k | 34.53 |
| 2018-03-31 | $4.7M | 144k | 32.86 |
| 2017-12-31 | $5.1M | 136k | 37.73 |
| 2017-09-30 | $4.9M | 125k | 38.90 |
| 2017-06-30 | $919k | 27k | 34.36 |
| 2017-03-31 | $395k | 11k | 35.68 |
| 2016-12-31 | $1.7M | 51k | 32.47 |
| 2016-09-30 | $1.9M | 51k | 37.53 |
| 2016-06-30 | $6.4M | 160k | 39.83 |
| 2016-03-31 | $2.7M | 78k | 33.91 |
| 2015-12-31 | $4.3M | 158k | 27.01 |
| 2015-09-30 | $655k | 21k | 31.03 |