CTKB
Cytek Biosciences, Inc.Company with tickers: CTKB
CIK
1831915
CUSIP
23285D109
Shares Outstanding
129,142,587
13F Activity (30d)
93 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 |
|---|---|---|---|---|
| 2026-05-04 | 827,504 | 438,074 | 1,265,578 | 34.4% |
| 2026-04-27 | 644,751 | 510,860 | 1,155,611 | 42.4% |
| 2026-04-20 | 612,681 | 322,648 | 935,329 | 39.4% |
| 2026-04-13 | 447,450 | 268,113 | 715,563 | 34.3% |
| 2026-04-06 | 463,051 | 269,823 | 732,874 | 29.8% |
| 2026-03-30 | 417,704 | 132,126 | 549,830 | 33.1% |
| 2026-03-23 | 624,039 | 336,874 | 960,913 | 31.0% |
| 2026-03-16 | 792,231 | 656,457 | 1,448,688 | 31.1% |
| 2026-03-09 | 1,139,208 | 651,461 | 1,790,669 | 37.6% |
| 2026-03-02 | 818,968 | 569,388 | 1,388,356 | 33.9% |
| 2026-02-23 | 639,844 | 751,652 | 1,391,496 | 38.1% |
| 2026-02-16 | 551,162 | 377,465 | 928,627 | 34.5% |
| 2026-02-09 | 775,502 | 638,762 | 1,414,264 | 37.2% |
| 2026-02-02 | 913,821 | 1,090,305 | 2,004,126 | 31.1% |
| 2026-01-26 | 692,907 | 492,912 | 1,185,819 | 34.1% |
| 2026-01-19 | 657,590 | 359,106 | 1,016,696 | 31.5% |
| 2026-01-12 | 891,594 | 519,681 | 1,411,275 | 28.5% |
| 2026-01-05 | 814,996 | 644,092 | 1,459,088 | 34.2% |
| 2025-12-29 | 422,460 | 575,024 | 997,484 | 39.5% |
| 2025-12-22 | 787,507 | 366,031 | 1,153,538 | 40.0% |
| 2025-12-15 | 1,119,375 | 2,586,149 | 3,705,524 | 44.0% |
| 2025-12-08 | 2,001,805 | 1,423,695 | 3,425,500 | 45.7% |
| 2025-12-01 | 902,403 | 1,118,331 | 2,020,734 | 38.2% |
| 2025-11-24 | 846,758 | 642,363 | 1,489,121 | 31.3% |
| 2025-11-17 | 1,696,555 | 3,979,256 | 5,675,811 | 43.2% |
| 2025-11-10 | 2,442,139 | 3,204,172 | 5,646,311 | 46.2% |
| 2025-11-03 | 1,616,469 | 990,188 | 2,606,657 | 39.4% |
| 2025-10-27 | 579,714 | 324,154 | 903,868 | 29.6% |
| 2025-10-20 | 700,124 | 289,504 | 989,628 | 37.1% |
| 2025-10-13 | 654,990 | 414,464 | 1,069,454 | 33.3% |
| 2025-10-06 | 960,875 | 396,831 | 1,357,706 | 33.3% |
| 2025-09-29 | 778,702 | 372,825 | 1,151,527 | 27.0% |
| 2025-09-22 | 831,156 | 379,709 | 1,210,865 | 31.7% |
| 2025-09-15 | 970,359 | 676,306 | 1,646,665 | 30.8% |
| 2025-09-08 | 1,156,029 | 555,649 | 1,711,678 | 34.2% |
| 2025-09-01 | 895,030 | 324,169 | 1,219,199 | 36.3% |
| 2025-08-25 | 1,175,631 | 1,036,450 | 2,212,081 | 35.5% |
| 2025-08-18 | 613,638 | 378,329 | 991,967 | 32.2% |
| 2025-08-11 | 1,323,668 | 825,249 | 2,148,917 | 35.4% |
| 2025-08-04 | 1,417,391 | 1,066,362 | 2,483,753 | 35.4% |
| 2025-07-28 | 1,842,745 | 544,531 | 2,387,276 | 37.2% |
| 2025-07-21 | 805,939 | 651,762 | 1,457,701 | 34.6% |
| 2025-07-14 | 744,801 | 710,894 | 1,455,695 | 32.8% |
| 2025-07-07 | 753,381 | 679,702 | 1,433,083 | 27.8% |
| 2025-06-30 | 790,281 | 463,597 | 1,253,878 | 32.1% |
| 2025-06-23 | 1,308,849 | 935,983 | 2,244,832 | 31.0% |
| 2025-06-16 | 1,068,111 | 894,779 | 1,962,890 | 30.7% |
| 2025-06-09 | 1,858,804 | 940,661 | 2,799,465 | 39.2% |
| 2025-06-02 | 2,634,651 | 1,745,028 | 4,379,679 | 38.5% |
| 2025-05-26 | 1,126,426 | 954,629 | 2,081,055 | 39.5% |
Showing 1–50 of 231 weeks