CLB
Core Laboratories Inc. /DE/Company with tickers: CLB
CIK
1958086
CUSIP
21867A105
Shares Outstanding
46,096,682
13F Activity (30d)
92 filings
88 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 |
|---|---|---|---|---|
| 2025-06-16 | 421,709 | 553,404 | 975,113 | 33.2% |
| 2025-06-23 | 334,771 | 1,692,811 | 2,027,582 | 51.2% |
| 2025-06-30 | 424,704 | 850,465 | 1,275,169 | 45.6% |
| 2025-07-07 | 376,325 | 266,342 | 642,667 | 37.4% |
| 2025-07-14 | 280,185 | 251,753 | 531,938 | 34.4% |
| 2025-07-21 | 967,557 | 445,117 | 1,412,674 | 39.9% |
| 2025-07-28 | 355,974 | 222,145 | 578,119 | 24.3% |
| 2025-08-04 | 538,919 | 507,347 | 1,046,266 | 39.5% |
| 2025-08-11 | 606,783 | 320,327 | 927,110 | 37.5% |
| 2025-08-18 | 388,536 | 265,654 | 654,190 | 36.0% |
| 2025-08-25 | 493,276 | 271,471 | 764,747 | 35.5% |
| 2025-09-01 | 641,509 | 273,568 | 915,077 | 38.9% |
| 2025-09-08 | 1,345,532 | 347,705 | 1,693,237 | 50.4% |
| 2025-09-15 | 461,837 | 544,797 | 1,006,634 | 29.6% |
| 2025-09-22 | 336,492 | 385,757 | 722,249 | 29.6% |
| 2025-09-29 | 420,977 | 265,205 | 686,182 | 33.3% |
| 2025-10-06 | 837,128 | 373,851 | 1,210,979 | 44.1% |
| 2025-10-13 | 950,730 | 621,309 | 1,572,039 | 43.5% |
| 2025-10-20 | 932,109 | 741,053 | 1,673,162 | 40.9% |
| 2025-10-27 | 1,163,365 | 471,641 | 1,635,006 | 41.2% |
| 2025-11-03 | 862,967 | 355,489 | 1,218,456 | 39.0% |
| 2025-11-10 | 597,417 | 267,513 | 864,930 | 38.7% |
| 2025-11-17 | 642,389 | 337,141 | 979,530 | 38.0% |
| 2025-11-24 | 305,935 | 130,630 | 436,565 | 28.9% |
| 2025-12-01 | 465,711 | 226,099 | 691,810 | 38.9% |
| 2025-12-08 | 354,367 | 265,954 | 620,321 | 38.4% |
| 2025-12-15 | 314,901 | 530,120 | 845,021 | 32.2% |
| 2025-12-22 | 191,446 | 111,459 | 302,905 | 29.7% |
| 2025-12-29 | 144,020 | 217,091 | 361,111 | 34.4% |
| 2026-01-05 | 336,908 | 228,155 | 565,063 | 27.2% |
| 2026-01-12 | 326,094 | 203,049 | 529,143 | 33.5% |
| 2026-01-19 | 322,712 | 196,064 | 518,776 | 36.2% |
| 2026-01-26 | 288,238 | 251,858 | 540,096 | 33.8% |
| 2026-02-02 | 512,757 | 328,533 | 841,290 | 33.0% |
| 2026-02-09 | 565,747 | 305,650 | 871,397 | 44.9% |
| 2026-02-16 | 375,363 | 156,555 | 531,918 | 32.3% |
| 2026-02-23 | 468,509 | 447,176 | 915,685 | 41.1% |
| 2026-03-02 | 374,008 | 246,318 | 620,326 | 33.8% |
| 2026-03-09 | 402,279 | 196,372 | 598,651 | 30.8% |
| 2026-03-16 | 408,184 | 356,208 | 764,392 | 37.0% |
| 2026-03-23 | 452,375 | 422,865 | 875,240 | 37.0% |
| 2026-03-30 | 314,982 | 155,080 | 470,062 | 35.7% |
| 2026-04-06 | 328,330 | 216,199 | 544,529 | 49.8% |
| 2026-04-13 | 457,463 | 198,512 | 655,975 | 42.0% |
| 2026-04-20 | 313,608 | 295,278 | 608,886 | 44.7% |
| 2026-04-27 | 641,836 | 611,349 | 1,253,185 | 44.5% |
| 2026-05-04 | 676,850 | 309,588 | 986,438 | 40.0% |
Showing 1–47 of 47 weeks