ZBIO · Zenas BioPharma, Inc. · Off Exchange
$27.02
-0.25 (-0.90%)
At close · Oct 12
Return incl. dividend (before tax)
Market Cap
$1.78B
Shares
65.18M
Volume · Oct 12
45.22K
Avg daily vol (3M)
728.69K
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 |
|---|---|---|---|---|
| 2026-09-07 | 585,163 | 193,393 | 778,556 | 41.1% |
| 2026-08-31 | 588,056 | 656,329 | 1,244,385 | 46.3% |
| 2026-08-24 | 882,323 | 367,552 | 1,249,875 | 43.6% |
| 2026-08-17 | 1,460,902 | 1,228,171 | 2,689,073 | 46.1% |
| 2026-08-10 | 856,333 | 843,294 | 1,699,627 | 49.2% |
| 2026-08-03 | 643,443 | 355,840 | 999,283 | 46.3% |
| 2026-07-27 | 1,195,471 | 535,198 | 1,730,669 | 46.2% |
| 2026-07-20 | 1,203,870 | 1,245,906 | 2,449,776 | 52.7% |
| 2026-07-13 | 1,071,892 | 688,405 | 1,760,297 | 46.2% |
| 2026-07-06 | 1,032,936 | 1,128,289 | 2,161,225 | 55.0% |
| 2026-06-29 | 1,846,396 | 2,339,919 | 4,186,315 | 65.8% |
| 2026-06-22 | 1,399,720 | 1,441,770 | 2,841,490 | 40.4% |
| 2026-06-15 | 892,022 | 675,279 | 1,567,301 | 43.1% |
| 2026-06-08 | 1,122,437 | 557,312 | 1,679,749 | 52.5% |
| 2026-06-01 | 888,831 | 368,795 | 1,257,626 | 46.8% |
| 2026-05-25 | 540,317 | 295,214 | 835,531 | 38.2% |
| 2026-05-18 | 818,814 | 554,313 | 1,373,127 | 42.1% |
| 2026-05-11 | 763,377 | 307,102 | 1,070,479 | 45.5% |
| 2026-05-04 | 550,001 | 496,069 | 1,046,070 | 43.4% |
| 2026-04-27 | 815,449 | 591,482 | 1,406,931 | 49.2% |
| 2026-04-20 | 587,330 | 476,617 | 1,063,947 | 45.6% |
| 2026-04-13 | 527,127 | 651,373 | 1,178,500 | 49.2% |
| 2026-04-06 | 827,040 | 600,096 | 1,427,136 | 49.6% |
| 2026-03-30 | 1,905,513 | 2,122,344 | 4,027,857 | 53.9% |
| 2026-03-23 | 2,207,297 | 487,504 | 2,694,801 | 42.3% |
| 2026-03-16 | 626,492 | 1,381,724 | 2,008,216 | 49.0% |
| 2026-03-09 | 497,710 | 165,405 | 663,115 | 35.4% |
| 2026-03-02 | 480,917 | 173,437 | 654,354 | 40.0% |
| 2026-02-23 | 713,893 | 2,623,028 | 3,336,921 | 71.1% |
| 2026-02-16 | 843,085 | 342,484 | 1,185,569 | 46.9% |
| 2026-02-09 | 1,432,545 | 892,333 | 2,324,878 | 47.7% |
| 2026-02-02 | 1,356,681 | 532,609 | 1,889,290 | 41.4% |
| 2026-01-26 | 593,319 | 326,098 | 919,417 | 40.8% |
| 2026-01-19 | 760,145 | 599,404 | 1,359,549 | 46.7% |
| 2026-01-12 | 1,342,079 | 1,506,448 | 2,848,527 | 44.6% |
| 2026-01-05 | 2,169,406 | 4,684,729 | 6,854,135 | 46.7% |
| 2025-12-29 | 212,764 | 117,412 | 330,176 | 31.5% |
| 2025-12-22 | 261,020 | 419,193 | 680,213 | 53.1% |
| 2025-12-15 | 530,798 | 417,310 | 948,108 | 32.8% |
| 2025-12-08 | 458,439 | 141,922 | 600,361 | 46.5% |
| 2025-12-01 | 397,533 | 156,545 | 554,078 | 41.5% |
| 2025-11-24 | 422,337 | 128,372 | 550,709 | 40.2% |
| 2025-11-17 | 695,257 | 149,205 | 844,462 | 49.4% |
| 2025-11-10 | 745,830 | 316,518 | 1,062,348 | 54.4% |
| 2025-11-03 | 640,492 | 284,440 | 924,932 | 50.6% |
| 2025-10-27 | 1,539,716 | 1,277,099 | 2,816,815 | 51.2% |
| 2025-10-20 | 326,667 | 861,295 | 1,187,962 | 63.1% |
| 2025-10-13 | 561,576 | 433,267 | 994,843 | 42.1% |
Showing 1–48 of 48 weeks