IRM
Iron Mountain IncCompany with tickers: IRM
CIK
1020569
CUSIP
46284V101
Shares Outstanding
297,524,681
13F Activity (30d)
66 filings
35 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 |
|---|---|---|---|---|
| 2026-03-23 | 1,669,127 | 801,159 | 2,470,286 | 36.1% |
| 2026-03-30 | 1,414,220 | 925,680 | 2,339,900 | 39.4% |
| 2026-04-06 | 1,366,388 | 739,844 | 2,106,232 | 39.6% |
| 2026-04-13 | 1,771,203 | 1,119,819 | 2,891,022 | 48.2% |
| 2026-04-20 | 2,202,415 | 1,066,659 | 3,269,074 | 57.0% |
| 2026-04-27 | 3,745,909 | 2,033,177 | 5,779,086 | 56.2% |
| 2026-05-04 | 2,633,285 | 1,076,213 | 3,709,498 | 49.3% |
| 2026-05-11 | 1,983,538 | 1,195,426 | 3,178,964 | 60.0% |
| 2026-05-18 | 1,361,325 | 1,011,215 | 2,372,540 | 49.8% |
| 2026-05-25 | 1,366,987 | 921,587 | 2,288,574 | 42.8% |
Showing 1–10 of 10 weeks