Iron Mountain Inc. (IRM) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for IRM. 13F holdings as of 2026-06-30.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Asset Management One Co., Ltd | 554,607 | $70M | INCREASED |
| Robeco Institutional Asset Management B.V | 297,899 | $38M | INCREASED |
| Swedbank AB | 287,064 | $36M | INCREASED |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 286,428 | $36M | INCREASED |
| Border to Coast Pensions Partnership | 275,000 | $35M | DECREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Theodore R. Samuels II (Director) | AWARD | 99 | $12K | 2026-07-06 |
| Doyle Simons (Director) | AWARD | 339 | $40K | 2026-07-06 |
| Theodore R. Samuels II (Director) | AWARD | 310 | $36K | 2026-07-02 |
| Mark Kidd (EVP, GM Data Centers & ALM) | SELL | 6,000 | $754K | 2026-07-01 |
| William L Meaney (President and CEO) | EXERCISE | 38,474 | $1M | 2026-07-01 |
Full institutional holdings, insider history, and congressional trades for Iron Mountain Inc. on SentiSense.