Iron Mountain shares owned by California State Teachers Retirement System
Quarter-by-quarter ownership of Iron Mountain (IRM) shares owned by California State Teachers Retirement System
from 13F filings
Historical chart of California State Teachers Retirement System investment in Iron Mountain
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Quarterly reported holdings in Iron Mountain by California State Teachers Retirement System
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $45M | 441k | 101.94 |
| 2025-06-30 | $46M | 452k | 102.57 |
| 2025-03-31 | $37M | 431k | 86.04 |
| 2024-12-31 | $46M | 435k | 105.11 |
| 2024-09-30 | $56M | 470k | 118.83 |
| 2024-06-30 | $43M | 475k | 89.62 |
| 2024-03-31 | $38M | 468k | 80.21 |
| 2023-09-30 | $27M | 455k | 59.45 |
| 2023-06-30 | $27M | 476k | 56.82 |
| 2023-03-31 | $26M | 487k | 52.91 |
| 2022-12-31 | $25M | 491k | 49.85 |
| 2022-09-30 | $21M | 487k | 43.97 |
| 2022-06-30 | $24M | 491k | 48.69 |
| 2022-03-31 | $27M | 491k | 55.41 |
| 2021-12-31 | $27M | 518k | 52.33 |
| 2021-09-30 | $22M | 510k | 43.45 |
| 2021-06-30 | $22M | 519k | 42.32 |
| 2021-03-31 | $20M | 538k | 37.01 |
| 2020-12-31 | $16M | 533k | 29.48 |
| 2020-09-30 | $14M | 533k | 26.79 |
| 2020-06-30 | $14M | 522k | 26.10 |
| 2020-03-31 | $12M | 501k | 23.80 |
| 2019-12-31 | $15M | 473k | 31.87 |
| 2019-09-30 | $15M | 473k | 31.30 |
| 2019-06-30 | $15M | 473k | 31.30 |
| 2019-03-31 | $17M | 468k | 35.46 |
| 2018-12-31 | $16M | 479k | 32.41 |
| 2018-09-30 | $17M | 492k | 34.52 |
| 2018-06-30 | $17M | 492k | 35.01 |
| 2018-03-31 | $15M | 460k | 32.86 |
| 2017-12-31 | $18M | 467k | 37.73 |
| 2017-09-30 | $18M | 449k | 38.90 |
| 2017-06-30 | $17M | 486k | 34.36 |
| 2017-03-31 | $19M | 517k | 35.67 |
| 2016-12-31 | $18M | 541k | 32.48 |
| 2016-09-30 | $21M | 556k | 37.53 |
| 2016-06-30 | $22M | 551k | 39.83 |
| 2016-03-31 | $15M | 455k | 33.91 |
| 2015-12-31 | $11M | 398k | 27.01 |
| 2015-09-30 | $12M | 392k | 31.02 |
| 2015-06-30 | $12M | 385k | 31.00 |
| 2015-03-31 | $12M | 341k | 36.48 |
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