Iron Mountain shares owned by Two Sigma Investments
Quarter-by-quarter ownership of Iron Mountain (IRM) shares owned by Two Sigma Investments
from 13F filings
Historical chart of Two Sigma Investments investment in Iron Mountain
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Quarterly reported holdings in Iron Mountain by Two Sigma Investments
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2026-03-31 | $19M | 188k | 102.14 |
| 2025-12-31 | $24M | 290k | 82.95 |
| 2025-03-31 | $15M | 176k | 86.04 |
| 2024-03-31 | $3.7M | 46k | 80.21 |
| 2023-03-31 | $308k | 5.8k | 52.91 |
| 2022-12-31 | $1.8M | 36k | 49.85 |
| 2022-09-30 | $644k | 15k | 43.94 |
| 2021-12-31 | $2.5M | 49k | 52.33 |
| 2021-09-30 | $487k | 11k | 43.44 |
| 2021-06-30 | $419k | 9.9k | 42.32 |
| 2021-03-31 | $477k | 13k | 36.98 |
| 2020-12-31 | $598k | 20k | 29.47 |
| 2020-09-30 | $736k | 28k | 26.77 |
| 2020-06-30 | $1.4M | 54k | 26.13 |
| 2020-03-31 | $4.9M | 204k | 23.80 |
| 2019-12-31 | $2.7M | 84k | 31.87 |
| 2019-09-30 | $29M | 897k | 32.37 |
| 2019-06-30 | $10M | 325k | 31.30 |
| 2019-03-31 | $40M | 1.1M | 35.46 |
| 2018-12-31 | $1.9M | 58k | 32.43 |
| 2018-09-30 | $735k | 21k | 34.51 |
| 2018-06-30 | $1.8M | 52k | 35.01 |
| 2018-03-31 | $1.3M | 41k | 32.86 |
| 2017-06-30 | $619k | 18k | 34.36 |
| 2016-12-31 | $5.4M | 167k | 32.48 |
| 2016-09-30 | $6.9M | 183k | 37.54 |
| 2016-06-30 | $46M | 1.1M | 39.83 |
| 2016-03-31 | $4.0M | 117k | 33.91 |
| 2015-12-31 | $16M | 604k | 27.01 |