BLK
BlackRock, Inc.Company with tickers: BLK
CIK
2012383
CUSIP
09290D101
Shares Outstanding
155,233,989
13F Activity (30d)
798 filings
771 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% |
| 2026-03-09 | 1,872,252 | 981,907 | 2,854,159 | 43.6% |
| 2026-03-02 | 1,226,736 | 1,040,638 | 2,267,374 | 49.3% |
| 2026-02-23 | 1,119,001 | 770,124 | 1,889,125 | 45.5% |
| 2026-02-16 | 799,580 | 511,950 | 1,311,530 | 46.0% |
| 2026-02-09 | 1,460,191 | 634,862 | 2,095,053 | 46.1% |
| 2026-02-02 | 1,350,149 | 654,178 | 2,004,327 | 45.8% |
| 2026-01-26 | 855,852 | 587,535 | 1,443,387 | 44.7% |
| 2026-01-19 | 910,417 | 480,680 | 1,391,097 | 44.5% |
| 2026-01-12 | 1,365,668 | 822,269 | 2,187,937 | 44.3% |
| 2026-01-05 | 928,609 | 611,180 | 1,539,789 | 44.3% |
| 2025-12-29 | 322,010 | 365,375 | 687,385 | 45.9% |
| 2025-12-22 | 262,005 | 337,160 | 599,165 | 47.3% |
| 2025-12-15 | 808,507 | 751,249 | 1,559,756 | 43.0% |
| 2025-12-08 | 764,555 | 756,190 | 1,520,745 | 46.4% |
| 2025-12-01 | 662,271 | 826,871 | 1,489,142 | 49.5% |
| 2025-11-24 | 540,655 | 738,531 | 1,279,186 | 50.0% |
| 2025-11-17 | 1,335,314 | 711,563 | 2,046,877 | 46.2% |
| 2025-11-10 | 564,179 | 397,448 | 961,627 | 44.6% |
| 2025-11-03 | 826,991 | 608,173 | 1,435,164 | 45.4% |
| 2025-10-27 | 753,108 | 651,070 | 1,404,178 | 40.1% |
| 2025-10-20 | 820,981 | 612,581 | 1,433,562 | 43.7% |
| 2025-10-13 | 1,403,177 | 920,873 | 2,324,050 | 47.2% |
| 2025-10-06 | 690,715 | 695,334 | 1,386,049 | 49.2% |
| 2025-09-29 | 692,264 | 683,550 | 1,375,814 | 48.2% |
| 2025-09-22 | 561,022 | 492,756 | 1,053,778 | 46.7% |
| 2025-09-15 | 660,294 | 821,357 | 1,481,651 | 41.3% |
| 2025-09-08 | 598,833 | 677,400 | 1,276,233 | 51.0% |
| 2025-09-01 | 441,031 | 282,814 | 723,845 | 41.3% |
| 2025-08-25 | 463,251 | 731,474 | 1,194,725 | 55.9% |
| 2025-08-18 | 492,553 | 878,400 | 1,370,953 | 59.6% |
| 2025-08-11 | 800,243 | 658,524 | 1,458,767 | 52.0% |
| 2025-08-04 | 578,248 | 418,979 | 997,227 | 45.4% |
| 2025-07-28 | 577,238 | 432,995 | 1,010,233 | 44.6% |
| 2025-07-21 | 833,886 | 494,947 | 1,328,833 | 48.6% |
| 2025-07-14 | 1,819,990 | 889,113 | 2,709,103 | 43.9% |
| 2025-07-07 | 610,245 | 422,693 | 1,032,938 | 42.8% |
| 2025-06-30 | 488,605 | 414,451 | 903,056 | 49.1% |
| 2025-06-23 | 978,955 | 699,059 | 1,678,014 | 48.8% |
| 2025-06-16 | 670,805 | 467,714 | 1,138,519 | 42.7% |
| 2025-06-09 | 809,906 | 536,692 | 1,346,598 | 48.5% |
Showing 1–50 of 233 weeks