| Balance Sheets | 2026-03-31 | 2025-12-31 | 2025-09-30 | 2025-06-30 |
|---|---|---|---|---|
| Cash and cash equivalents | 250,710 | 158,535 | 195,210 | 217,992 |
| Accounts receivable (less allowances of 109,363 and 107,838 as of march31, 2026 and december31, 2025, respectively) | 1,424,635 | 1,443,669 | 1,371,367 | 1,387,110 |
| Prepaid expenses and other | 367,738 | 332,779 | 314,293 | 292,146 |
| Total current assets | 2,043,083 | 1,934,983 | 1,880,870 | 1,897,248 |
| Property, plant and equipment | 14,862,169 | 14,457,335 | 13,975,948 | 13,500,719 |
| Lessaccumulated depreciation | 5,023,371 | 4,911,010 | 4,838,448 | 4,725,996 |
| Property, plant and equipment, net | 9,838,798 | 9,546,325 | 9,137,500 | 8,774,723 |
| Goodwill | 5,274,865 | 5,285,801 | 5,269,541 | 5,229,943 |
| Customer and supplier relationships and other intangible assets | 1,231,051 | 1,269,607 | 1,253,919 | 1,244,957 |
| Operating lease right-of-use assets | 2,451,023 | 2,465,196 | 2,455,450 | 2,414,510 |
| Other | 647,995 | 623,107 | 635,573 | 615,408 |
| Total other assets, net | 9,604,934 | 9,643,711 | 9,614,483 | 9,504,818 |
| Total assets | 21,486,815 | 21,125,019 | 20,632,853 | 20,176,789 |
| Current portion of long-term debt | 216,965 | 216,074 | 699,320 | 777,881 |
| Accounts payable | 782,546 | 710,662 | 658,138 | 650,906 |
| Accrued expenses and other current liabilities (includes current portion of operating lease liabilities) | 1,271,577 | 1,290,669 | 1,151,107 | 1,227,760 |
| Deferred revenue | 386,446 | 402,091 | 347,018 | 342,225 |
| Total current liabilities | 2,657,534 | 2,619,496 | 2,855,583 | 2,998,772 |
| Long-term debt, net of current portion | 16,886,016 | 16,215,885 | 15,494,236 | 14,818,175 |
| Long-term operating lease liabilities, net of current portion | 2,281,743 | 2,300,448 | 2,283,504 | 2,254,841 |
| Other long-term liabilities | 355,734 | 450,083 | 389,106 | 375,971 |
| Deferred income taxes | 180,436 | 184,015 | 218,223 | 221,045 |
| Redeemable noncontrolling interests | 63,746 | 64,423 | 75,353 | 76,852 |
| Common stock (par value 0.01 authorized 400,000,000 shares issued and outstanding 297,478,818 and 295,788,645 shares as of march31, 2026 and december31, 2025, respectively) | 2,975 | 2,958 | 2,955 | 2,953 |
| Additional paid-in capital | 4,717,301 | 4,790,190 | 4,730,575 | 4,680,581 |
| (distributions in excess of earnings) earnings in excess of distributions | 5,532,669 | 5,405,147 | 5,236,868 | 5,087,387 |
| Accumulated other comprehensive items, net | -402,618 | -369,008 | -378,624 | -363,583 |
| Total iron mountain incorporated stockholders' (deficit) equity | -1,215,011 | -981,007 | -881,962 | -767,436 |
| Noncontrolling interests | 276,617 | 271,676 | 198,810 | 198,569 |
| Total (deficit) equity | -938,394 | -709,331 | -683,152 | -568,867 |
| Total liabilities and (deficit) equity | 21,486,815 | 21,125,019 | 20,632,853 | 20,176,789 |
IRON MOUNTAIN INC (IRM)
IRON MOUNTAIN INC (IRM)