Iron Mountain Incorporated (Del

Historical 13F Holders

Symbol
IRM
CUSIP
46284V101
All holders as of
Q3 2025
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings
Period Filings Shares, Excl. Options Value, Excl. Options
2025 Q3 1,047 252 M $25.7 B
2025 Q2 1,081 252 M $25.8 B
2025 Q1 1,029 241 M $20.7 B
2024 Q4 1,110 237 M $24.9 B
2024 Q3 1,107 246 M $29.0 B
2024 Q2 1,012 253 M $22.7 B
2024 Q1 986 247 M $19.7 B
2023 Q4 935 240 M $16.8 B
2023 Q3 870 230 M $13.6 B
2023 Q2 860 228 M $13.0 B
2023 Q1 825 228 M $12.1 B
2022 Q4 823 244 M $12.5 B
2022 Q3 788 228 M $10.0 B
2022 Q2 806 224 M $10.9 B
2022 Q1 819 226 M $12.5 B
2021 Q4 798 229 M $12.0 B
2021 Q3 750 228 M $9.93 B
2021 Q2 729 229 M $9.71 B
2021 Q1 669 227 M $8.42 B
2020 Q4 655 236 M $7.00 B
2020 Q3 633 243 M $6.51 B
2020 Q2 612 247 M $6.45 B
2020 Q1 586 248 M $5.89 B
2019 Q4 624 247 M $7.89 B
2019 Q3 573 245 M $7.94 B
2019 Q2 583 251 M $7.87 B
2019 Q1 572 256 M $9.07 B
2018 Q4 515 261 M $8.46 B
2018 Q3 546 259 M $8.94 B
2018 Q2 523 251 M $8.78 B
2018 Q1 507 253 M $8.37 B
2017 Q4 507 254 M $9.59 B
2017 Q3 436 238 M $9.24 B
2017 Q2 411 232 M $7.96 B
2017 Q1 400 231 M $8.23 B
2016 Q4 404 221 M $7.18 B
2016 Q3 408 216 M $8.13 B
2016 Q2 409 215 M $8.83 B
2016 Q1 367 205 M $6.93 B
2015 Q4 361 205 M $5.54 B
2015 Q3 339 206 M $6.38 B
2015 Q2 365 204 M $6.31 B
2015 Q1 352 196 M $7.16 B
2014 Q4 27 34.0 M $1.31 B
2014 Q3 1 3.20 M $105 M
2014 Q1 2 121 k $3.35 M