MMM
3M CoCompany with tickers: MMM
CIK
66740
CUSIP
88579Y101
Shares Outstanding
521,567,261
13F Activity (30d)
745 filings
717 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 | 5,369,528 | 3,775,944 | 9,145,472 | 51.6% |
| 2026-05-11 | 5,398,543 | 6,109,171 | 11,507,714 | 81.0% |
| 2026-05-04 | 4,106,823 | 3,574,008 | 7,680,831 | 53.8% |
| 2026-04-27 | 4,355,511 | 3,410,584 | 7,766,095 | 49.6% |
| 2026-04-20 | 8,041,648 | 4,645,696 | 12,687,344 | 60.3% |
| 2026-04-13 | 3,540,927 | 2,542,496 | 6,083,423 | 51.1% |
| 2026-04-06 | 3,597,331 | 2,553,227 | 6,150,558 | 45.6% |
| 2026-03-30 | 2,326,577 | 1,536,249 | 3,862,826 | 38.4% |
| 2026-03-23 | 3,821,992 | 2,607,404 | 6,429,396 | 39.1% |
| 2026-03-16 | 5,929,371 | 4,473,126 | 10,402,497 | 41.7% |
Showing 1–10 of 10 weeks