As of 31 Dec 2025, 1 institutional investors reported holding 400 shares of IRON MTN INC NEW REIT - COM (IRM).
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 400 | $33,180 | $82.95 | 1 | |
| 2025 Q3 | 400 | $40,776 | $101.94 | 1 | |
| 2025 Q2 | 400 | $41,028 | -$2,564 | $102.57 | 1 |
| 2025 Q1 | 425 | $36,567 | $86.04 | 1 | |
| 2024 Q4 | 425 | $44,672 | -$2,628 | $105.11 | 1 |
| 2024 Q3 | 450 | $53,474 | $118.83 | 1 | |
| 2024 Q2 | 450 | $40,145 | $89.21 | 1 | |
| 2024 Q1 | 31,150 | $2,518,595 | -$214,692 | $80.54 | 2 |
| 2023 Q4 | 33,805 | $2,387,808 | +$2,356,200 | $70.44 | 2 |
| 2023 Q3 | 450 | $27,000 | +$27,000 | $60.00 | 1 |
| 2021 Q4 | 0 | $0 | -$2,417,000 | $82.95 | 0 |
| 2021 Q3 | 55,631 | $2,417,000 | -$5,000 | $43.45 | 1 |
| 2021 Q2 | 55,756 | $2,359,000 | $41.16 | 2 | |
| 2021 Q1 | 55,756 | $2,063,000 | -$633,551 | $38.50 | 2 |
| 2020 Q4 | 75,257 | $2,218,000 | -$43,144 | $29.48 | 3 |
| 2020 Q3 | 76,732 | $2,055,000 | +$40,125 | $26.77 | 2 |
| 2020 Q2 | 75,232 | $1,963,000 | $26.09 | 2 | |
| 2020 Q1 | 75,232 | $1,790,000 | -$18,000 | $23.80 | 2 |
| 2019 Q4 | 75,776 | $2,415,000 | -$10,169 | $32.16 | 4 |
| 2019 Q3 | 76,076 | $2,463,000 | -$108,766 | $32.37 | 4 |
| 2019 Q2 | 79,438 | $2,486,000 | -$23,087 | $31.30 | 4 |
| 2019 Q1 | 80,129 | $2,840,000 | -$1,127,571 | $35.44 | 4 |
| 2018 Q4 | 115,124 | $3,731,000 | +$139,739 | $32.42 | 5 |
| 2018 Q3 | 111,174 | $3,838,000 | -$3,112,846 | $34.53 | 5 |
| 2018 Q2 | 200,136 | $7,007,000 | +$3,448,373 | $35.01 | 5 |
| 2018 Q1 | 101,667 | $3,340,000 | -$39,255,394 | $32.85 | 5 |
| 2017 Q4 | 1,141,699 | $43,076,000 | -$16,366,002 | $37.73 | 5 |
| 2017 Q3 | 1,575,465 | $61,284,000 | -$14,360,838 | $38.90 | 5 |
| 2017 Q2 | 1,944,649 | $66,818,000 | +$1,333,194 | $34.36 | 5 |
| 2017 Q1 | 1,905,072 | $67,952,000 | +$974,935 | $35.67 | 7 |
| 2016 Q4 | 1,877,720 | $60,988,000 | +$56,869,877 | $32.48 | 4 |
| 2016 Q3 | 119,679 | $4,491,000 | -$17,774,723 | $37.52 | 5 |
| 2016 Q2 | 565,768 | $22,534,000 | +$19,775,679 | $39.83 | 6 |
| 2016 Q1 | 69,555 | $2,358,000 | -$12,302,284 | $33.86 | 5 |
| 2015 Q4 | 527,818 | $14,256,000 | +$11,639,297 | $27.01 | 4 |
| 2015 Q3 | 94,078 | $2,919,180 | -$1,471,870 | $31.02 | 8 |
| 2015 Q2 | 141,580 | $4,393,005 | -$22,393,178 | $30.99 | 11 |
| 2015 Q1 | 754,718 | $27,531,065 | -$6,088,821,744 | $36.48 | 15 |
| 2014 Q4 | 158,390,455 | $6,123,780,140 | -$582,638,091 | $38.66 | 312 |
| 2014 Q3 | 182,573,532 | $5,961,059,009 | -$139,871,687 | $32.65 | 336 |
| 2014 Q2 | 186,790,782 | $6,620,374,030 | +$359,903,873 | $35.45 | 348 |
| 2014 Q1 | 177,713,571 | $4,899,306,706 | -$166,122,848 | $27.57 | 327 |