BLK
BlackRock, Inc.Company with tickers: BLK
CIK
2012383
CUSIP
09290D101
Shares Outstanding
155,233,989
13F Activity (30d)
659 filings
633 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 | 816,674 | 507,300 | 1,323,974 | 41.9% |
| 2026-05-11 | 572,915 | 370,258 | 943,173 | 46.3% |
| 2026-05-04 | 644,111 | 453,048 | 1,097,159 | 46.5% |
| 2026-04-27 | 545,334 | 466,840 | 1,012,174 | 48.0% |
| 2026-04-20 | 761,383 | 497,422 | 1,258,805 | 46.8% |
| 2026-04-13 | 1,569,205 | 935,627 | 2,504,832 | 54.1% |
| 2026-04-06 | 872,560 | 640,140 | 1,512,700 | 43.0% |
| 2026-03-30 | 768,848 | 508,395 | 1,277,243 | 45.6% |
| 2026-03-23 | 1,134,908 | 759,595 | 1,894,503 | 47.0% |
| 2026-03-16 | 1,358,823 | 922,694 | 2,281,517 | 42.0% |
Showing 1–10 of 10 weeks