BIO
Bio-Rad Laboratories, Inc.Company with tickers: BIO, BIO-B
CIK
12208
CUSIP
090572207
Shares Outstanding
21,700,560
Website
https://www.bio-rad.com
Investor Relations
https://investors.bio-rad.com/overview/default.aspx
13F Activity (30d)
123 filings
117 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 | 863,422 | 352,312 | 1,215,734 | 43.2% |
| 2026-05-11 | 646,761 | 163,084 | 809,845 | 61.4% |
| 2026-05-04 | 637,628 | 295,575 | 933,203 | 50.8% |
| 2026-04-27 | 868,216 | 199,198 | 1,067,414 | 48.8% |
| 2026-04-20 | 407,035 | 98,556 | 505,591 | 45.8% |
| 2026-04-13 | 263,555 | 80,086 | 343,641 | 42.6% |
| 2026-04-06 | 417,298 | 152,821 | 570,119 | 42.4% |
| 2026-03-30 | 312,478 | 225,561 | 538,039 | 44.2% |
| 2026-03-23 | 493,165 | 214,694 | 707,859 | 36.6% |
| 2026-03-16 | 468,422 | 159,454 | 627,876 | 39.9% |
| 2026-03-09 | 447,301 | 95,402 | 542,703 | 43.5% |
| 2026-03-02 | 423,538 | 123,172 | 546,710 | 38.6% |
| 2026-02-23 | 384,983 | 159,197 | 544,180 | 38.4% |
| 2026-02-16 | 374,016 | 109,263 | 483,279 | 35.7% |
| 2026-02-09 | 918,699 | 178,988 | 1,097,687 | 50.8% |
| 2026-02-02 | 361,905 | 119,317 | 481,222 | 41.1% |
| 2026-01-26 | 410,104 | 118,661 | 528,765 | 44.7% |
| 2026-01-19 | 356,316 | 82,221 | 438,537 | 39.3% |
| 2026-01-12 | 331,709 | 72,502 | 404,211 | 40.5% |
| 2026-01-05 | 372,341 | 82,445 | 454,786 | 36.3% |
| 2025-12-29 | 118,899 | 66,465 | 185,364 | 38.4% |
| 2025-12-22 | 138,554 | 94,497 | 233,051 | 44.7% |
| 2025-12-15 | 300,424 | 188,891 | 489,315 | 42.7% |
Showing 1–23 of 23 weeks