Iron Mountain shares owned by Stifel Financial
Quarter-by-quarter ownership of Iron Mountain (IRM) shares owned by Stifel Financial
from 13F filings
Historical chart of Stifel Financial investment in Iron Mountain
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All positions including Iron Mountain held by Stifel Financial consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Iron Mountain by Stifel Financial
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $22M | 218k | 101.94 |
| 2025-06-30 | $22M | 215k | 102.57 |
| 2025-03-31 | $18M | 205k | 86.04 |
| 2024-12-31 | $28M | 270k | 105.11 |
| 2024-09-30 | $33M | 280k | 118.83 |
| 2024-06-30 | $35M | 387k | 89.62 |
| 2024-03-31 | $37M | 462k | 80.21 |
| 2023-12-31 | $33M | 478k | 69.98 |
| 2023-09-30 | $29M | 484k | 59.45 |
| 2023-06-30 | $29M | 516k | 56.82 |
| 2023-03-31 | $32M | 607k | 52.91 |
| 2022-12-31 | $30M | 597k | 49.85 |
| 2022-09-30 | $25M | 551k | 44.87 |
| 2022-06-30 | $22M | 446k | 48.08 |
| 2022-03-31 | $26M | 469k | 54.49 |
| 2021-12-31 | $25M | 474k | 52.08 |
| 2021-09-30 | $17M | 385k | 44.02 |
| 2021-06-30 | $12M | 289k | 42.52 |
| 2021-03-31 | $9.6M | 254k | 37.86 |
| 2020-12-31 | $8.6M | 296k | 28.99 |
| 2020-09-30 | $7.3M | 281k | 26.12 |
| 2020-06-30 | $7.2M | 289k | 25.00 |
| 2020-03-31 | $46M | 1.9M | 23.74 |
| 2019-12-31 | $62M | 2.0M | 31.77 |
| 2019-09-30 | $64M | 2.0M | 32.40 |
| 2019-06-30 | $61M | 2.0M | 31.04 |
| 2019-03-31 | $69M | 2.0M | 35.53 |
| 2018-12-31 | $63M | 1.9M | 32.40 |
| 2018-09-30 | $13M | 374k | 34.16 |
| 2018-06-30 | $13M | 351k | 35.60 |
| 2018-03-31 | $11M | 339k | 32.32 |
| 2017-12-31 | $11M | 288k | 37.84 |
| 2017-09-30 | $13M | 326k | 38.79 |
| 2017-06-30 | $11M | 307k | 34.26 |
| 2017-03-31 | $5.0M | 140k | 35.76 |
| 2016-12-31 | $3.7M | 114k | 32.34 |
| 2016-09-30 | $3.2M | 86k | 37.44 |
| 2016-06-30 | $1.8M | 46k | 39.82 |
| 2015-12-31 | $1.3M | 49k | 27.06 |
| 2015-09-30 | $33M | 1.1M | 30.99 |
| 2015-06-30 | $27M | 870k | 31.02 |
| 2015-03-31 | $33M | 894k | 36.52 |