CTKB
Cytek Biosciences, Inc.Company with tickers: CTKB
CIK
1831915
CUSIP
23285D109
Shares Outstanding
129,142,587
Website
https://www.cytekbio.com
13F Activity (30d)
74 filings
70 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% |
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