IRM
Iron Mountain IncCompany with tickers: IRM
CIK
1020569
CUSIP
46284V101
Shares Outstanding
297,524,681
13F Activity (30d)
275 filings
250 filers
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-05-18 | 1,361,325 | 1,011,215 | 2,372,540 | 49.8% |
| 2026-05-11 | 1,983,538 | 1,195,426 | 3,178,964 | 60.0% |
| 2026-05-04 | 2,633,285 | 1,076,213 | 3,709,498 | 49.3% |
| 2026-04-27 | 3,745,909 | 2,033,177 | 5,779,086 | 56.2% |
| 2026-04-20 | 2,202,415 | 1,066,659 | 3,269,074 | 57.0% |
| 2026-04-13 | 1,771,203 | 1,119,819 | 2,891,022 | 48.2% |
| 2026-04-06 | 1,366,388 | 739,844 | 2,106,232 | 39.6% |
| 2026-03-30 | 1,414,220 | 925,680 | 2,339,900 | 39.4% |
| 2026-03-23 | 1,669,127 | 801,159 | 2,470,286 | 36.1% |
| 2026-03-16 | 1,748,475 | 966,770 | 2,715,245 | 32.5% |
| 2026-03-09 | 1,657,389 | 963,181 | 2,620,570 | 38.8% |
| 2026-03-02 | 1,848,640 | 1,135,450 | 2,984,090 | 42.8% |
| 2026-02-23 | 3,016,119 | 1,952,322 | 4,968,441 | 47.3% |
| 2026-02-16 | 2,427,519 | 853,386 | 3,280,905 | 41.6% |
| 2026-02-09 | 5,975,985 | 1,503,826 | 7,479,811 | 45.7% |
| 2026-02-02 | 2,796,267 | 1,222,884 | 4,019,151 | 41.7% |
| 2026-01-26 | 2,397,834 | 1,368,258 | 3,766,092 | 42.3% |
| 2026-01-19 | 2,153,817 | 933,097 | 3,086,914 | 44.0% |
| 2026-01-12 | 3,230,177 | 1,808,362 | 5,038,539 | 47.1% |
| 2026-01-05 | 3,314,507 | 1,781,105 | 5,095,612 | 47.0% |
| 2025-12-29 | 1,702,303 | 1,220,334 | 2,922,637 | 45.7% |
| 2025-12-22 | 1,401,500 | 687,844 | 2,089,344 | 43.5% |
| 2025-12-15 | 3,074,156 | 4,286,701 | 7,360,857 | 44.0% |
| 2025-12-08 | 3,274,950 | 1,411,618 | 4,686,568 | 43.8% |
| 2025-12-01 | 1,989,537 | 1,316,715 | 3,306,252 | 42.0% |
| 2025-11-24 | 1,881,702 | 1,312,073 | 3,193,775 | 37.1% |
| 2025-11-17 | 6,234,642 | 2,779,730 | 9,014,372 | 46.0% |
| 2025-11-10 | 3,356,185 | 1,565,236 | 4,921,421 | 40.6% |
| 2025-11-03 | 3,300,660 | 1,313,019 | 4,613,679 | 44.3% |
| 2025-10-27 | 1,270,994 | 1,046,767 | 2,317,761 | 42.6% |
| 2025-10-20 | 1,080,845 | 649,423 | 1,730,268 | 40.4% |
| 2025-10-13 | 1,797,823 | 1,071,452 | 2,869,275 | 43.6% |
| 2025-10-06 | 1,688,267 | 1,493,344 | 3,181,611 | 46.7% |
| 2025-09-29 | 1,951,059 | 861,220 | 2,812,279 | 37.7% |
| 2025-09-22 | 2,143,180 | 1,127,075 | 3,270,255 | 43.3% |
| 2025-09-15 | 2,422,071 | 1,062,162 | 3,484,233 | 36.5% |
| 2025-09-08 | 1,994,876 | 1,684,015 | 3,678,891 | 44.4% |
| 2025-09-01 | 2,060,863 | 1,040,632 | 3,101,495 | 50.0% |
| 2025-08-25 | 1,043,232 | 754,769 | 1,798,001 | 37.4% |
| 2025-08-18 | 1,551,973 | 754,058 | 2,306,031 | 42.0% |
| 2025-08-11 | 1,858,335 | 749,591 | 2,607,926 | 37.4% |
| 2025-08-04 | 3,781,615 | 1,596,198 | 5,377,813 | 41.5% |
| 2025-07-28 | 1,487,781 | 648,808 | 2,136,589 | 40.0% |
| 2025-07-21 | 1,152,804 | 531,745 | 1,684,549 | 41.2% |
| 2025-07-14 | 1,382,262 | 966,771 | 2,349,033 | 41.8% |
| 2025-07-07 | 1,700,682 | 673,644 | 2,374,326 | 40.9% |
| 2025-06-30 | 2,408,974 | 773,698 | 3,182,672 | 43.0% |
| 2025-06-23 | 2,425,562 | 3,174,356 | 5,599,918 | 44.3% |
| 2025-06-16 | 1,414,184 | 1,249,342 | 2,663,526 | 38.3% |
Showing 1–49 of 49 weeks