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)
140 filings
133 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% |
| 2025-12-08 | 197,499 | 96,188 | 293,687 | 43.5% |
| 2025-12-01 | 241,306 | 186,834 | 428,140 | 47.4% |
| 2025-11-24 | 236,765 | 101,119 | 337,884 | 45.6% |
| 2025-11-17 | 240,795 | 87,611 | 328,406 | 38.7% |
| 2025-11-10 | 239,518 | 76,188 | 315,706 | 41.3% |
| 2025-11-03 | 237,851 | 97,340 | 335,191 | 37.3% |
| 2025-10-27 | 701,600 | 134,273 | 835,873 | 45.9% |
| 2025-10-20 | 581,637 | 122,862 | 704,499 | 44.1% |
| 2025-10-13 | 303,651 | 64,727 | 368,378 | 41.0% |
| 2025-10-06 | 239,761 | 157,532 | 397,293 | 45.7% |
| 2025-09-29 | 334,553 | 111,321 | 445,874 | 40.8% |
| 2025-09-22 | 280,330 | 182,099 | 462,429 | 44.0% |
| 2025-09-15 | 337,390 | 133,365 | 470,755 | 38.4% |
| 2025-09-08 | 358,701 | 125,241 | 483,942 | 45.4% |
| 2025-09-01 | 280,730 | 66,435 | 347,165 | 40.2% |
| 2025-08-25 | 342,827 | 99,734 | 442,561 | 41.5% |
| 2025-08-18 | 521,114 | 151,606 | 672,720 | 46.6% |
| 2025-08-11 | 298,966 | 90,874 | 389,840 | 43.2% |
| 2025-08-04 | 574,525 | 134,283 | 708,808 | 45.2% |
| 2025-07-28 | 841,935 | 219,104 | 1,061,039 | 40.8% |
| 2025-07-21 | 468,612 | 158,953 | 627,565 | 39.5% |
| 2025-07-14 | 236,795 | 200,957 | 437,752 | 40.1% |
| 2025-07-07 | 410,843 | 117,447 | 528,290 | 40.5% |
| 2025-06-30 | 219,469 | 76,320 | 295,789 | 33.8% |
| 2025-06-23 | 338,028 | 204,960 | 542,988 | 33.7% |
| 2025-06-16 | 447,206 | 370,954 | 818,160 | 27.4% |
Showing 1–49 of 49 weeks