Iron Mountain shares owned by State of Wisconsin Investment Board
Quarter-by-quarter ownership of Iron Mountain (IRM) shares owned by State of Wisconsin Investment Board
from 13F filings
Historical chart of State of Wisconsin Investment Board investment in Iron Mountain
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Quarterly reported holdings in Iron Mountain by State of Wisconsin Investment Board
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $18M | 175k | 101.94 |
| 2025-06-30 | $19M | 181k | 102.57 |
| 2025-03-31 | $16M | 188k | 86.04 |
| 2024-12-31 | $19M | 179k | 105.11 |
| 2024-09-30 | $22M | 187k | 118.83 |
| 2024-06-30 | $15M | 168k | 89.62 |
| 2024-03-31 | $14M | 169k | 80.21 |
| 2023-12-31 | $13M | 190k | 69.98 |
| 2023-09-30 | $11M | 187k | 59.45 |
| 2023-06-30 | $9.6M | 169k | 56.82 |
| 2023-03-31 | $8.5M | 160k | 52.91 |
| 2022-12-31 | $5.4M | 109k | 49.85 |
| 2022-09-30 | $4.3M | 97k | 43.97 |
| 2022-06-30 | $6.2M | 127k | 48.69 |
| 2022-03-31 | $7.5M | 135k | 55.41 |
| 2021-12-31 | $7.1M | 136k | 52.33 |
| 2021-09-30 | $6.0M | 138k | 43.45 |
| 2021-06-30 | $5.5M | 129k | 42.32 |
| 2021-03-31 | $4.9M | 133k | 37.01 |
| 2020-12-31 | $4.1M | 138k | 29.48 |
| 2020-09-30 | $4.1M | 152k | 26.79 |
| 2020-06-30 | $3.9M | 151k | 26.10 |
| 2020-03-31 | $3.6M | 153k | 23.80 |
| 2019-12-31 | $6.2M | 196k | 31.87 |
| 2019-06-30 | $1.5M | 49k | 31.31 |
| 2018-09-30 | $6.2M | 180k | 34.52 |
| 2018-06-30 | $8.1M | 231k | 35.01 |
| 2018-03-31 | $7.5M | 230k | 32.86 |
| 2017-12-31 | $9.2M | 244k | 37.73 |
| 2017-09-30 | $9.6M | 246k | 38.90 |
| 2017-06-30 | $8.4M | 244k | 34.36 |
| 2017-03-31 | $9.0M | 251k | 35.67 |
| 2016-12-31 | $7.2M | 223k | 32.48 |
| 2016-09-30 | $9.3M | 249k | 37.53 |
| 2016-06-30 | $10M | 254k | 39.83 |
| 2016-03-31 | $7.3M | 215k | 33.91 |
| 2015-12-31 | $6.0M | 221k | 27.01 |
| 2015-09-30 | $6.9M | 223k | 31.02 |
| 2015-06-30 | $7.0M | 227k | 31.00 |
| 2015-03-31 | $7.2M | 196k | 36.48 |
More positions owned by State of Wisconsin Investment Board
View all positions for State of Wisconsin Investment Board