Iron Mountain Incorporated IRM
106.52 USD +1.02 (+0.97%)
At closeNov 6, 2026, 4:48 PM EST
105.69 -0.83 -0.78%
After hours · Nov 6, 4:48 PM ET
103.44 Day range 107.41
77.77 52-week range 134.68
- YTD
- +28.41%
- 1 year
- +5.61%
Ownership
Held by insiders 0.88%
Held by institutions 87.15%
Float held by institutions 87.92%
Institutions 1,588
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Blackrock Inc. | 11.28% | 33,570,910 | 3.57B | Jun 29, 2026 |
| Vanguard Portfolio Management LLC | 8.59% | 25,568,944 | 2.72B | Jun 29, 2026 |
| Vanguard Capital Management LLC | 6.37% | 18,953,705 | 2.02B | Jun 29, 2026 |
| State Street Corporation | 5.92% | 17,634,044 | 1.88B | Jun 29, 2026 |
| Cohen & Steers Inc. | 4.04% | 12,019,735 | 1.28B | Jun 29, 2026 |
| Geode Capital Management, LLC | 2.91% | 8,649,249 | 921.06M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| VANGUARD SPECIALIZED FUNDS-Vanguard Real Estate Index Fund | 3.80% | 11,316,264 | 1.21B | Jul 30, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 3.01% | 8,973,757 | 955.62M | Jun 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard 500 Index Fund | 2.59% | 7,712,258 | 821.28M | Jun 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Mid-Cap Index Fund | 2.06% | 6,124,379 | 652.19M | Jun 29, 2026 |
| iShares Trust-iShares Core S&P 500 ETF | 1.33% | 3,967,194 | 422.47M | Sep 29, 2026 |
| Fidelity Concord Street Trust-Fidelity 500 Index Fund | 1.30% | 3,868,941 | 412.00M | Sep 29, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| ARWAY PAMELA M. | Director | Sale | May 11, 2026 | 40,196 |
| BAILEY CLARKE HIGGINS | Director | Conversion of Exercise of derivative security | Jun 30, 2025 | 267,273 |
| DAUTEN KENT P | Director | Stock Award(Grant) | May 6, 2026 | 1,209,570 |
| FORD MONTE E. | Director | Stock Award(Grant) | May 6, 2026 | 31,817 |
| HYTINEN BARRY A | Chief Financial Officer | Conversion of Exercise of derivative security | Feb 26, 2026 | 326,623 |
| KIDD MARK | Officer | Sale | Aug 31, 2026 | 95,507 |