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
Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.
Short Volume
| Date | Short Volume | Short Exempt | Total Volume | Short % |
|---|---|---|---|---|
| 2026-06-12 | 54,059 | 593 | 67,548 | 80.0% |
| 2026-06-11 | 92,995 | 0 | 143,729 | 64.7% |
| 2026-06-10 | 130,129 | 125 | 170,738 | 76.2% |
| 2026-06-09 | 79,512 | 0 | 158,045 | 50.3% |
| 2026-06-08 | 83,579 | 0 | 96,981 | 86.2% |
| 2026-06-05 | 107,010 | 0 | 128,714 | 83.1% |
| 2026-06-04 | 92,238 | 0 | 127,628 | 72.3% |
| 2026-06-03 | 66,198 | 6 | 106,394 | 62.2% |
| 2026-06-02 | 88,480 | 10 | 124,053 | 71.3% |
| 2026-06-01 | 93,484 | 0 | 144,255 | 64.8% |
| 2026-05-29 | 111,849 | 516 | 190,548 | 58.7% |
| 2026-05-28 | 162,637 | 3 | 306,395 | 53.1% |
| 2026-05-27 | 107,618 | 0 | 184,093 | 58.5% |
| 2026-05-26 | 105,893 | 80 | 172,194 | 61.5% |
| 2026-05-22 | 47,672 | 0 | 70,568 | 67.6% |
| 2026-05-21 | 59,489 | 0 | 88,917 | 66.9% |
| 2026-05-20 | 155,365 | 0 | 205,197 | 75.7% |
| 2026-05-19 | 216,790 | 17 | 264,466 | 82.0% |
| 2026-05-18 | 340,109 | 255 | 433,553 | 78.4% |
| 2026-05-15 | 112,432 | 0 | 130,465 | 86.2% |
| 2026-05-14 | 135,080 | 24 | 164,509 | 82.1% |
| 2026-05-13 | 101,025 | 1 | 132,669 | 76.1% |
| 2026-05-12 | 55,735 | 23 | 116,586 | 47.8% |
| 2026-05-11 | 98,928 | 0 | 184,785 | 53.5% |
| 2026-05-08 | 38,604 | 0 | 75,418 | 51.2% |
| 2026-05-07 | 58,185 | 0 | 83,004 | 70.1% |
| 2026-05-06 | 84,363 | 0 | 155,177 | 54.4% |
| 2026-05-05 | 75,182 | 0 | 205,862 | 36.5% |
| 2026-05-04 | 204,610 | 5,602 | 256,489 | 79.8% |
| 2026-05-01 | 301,951 | 3,246 | 408,301 | 74.0% |
| 2026-04-30 | 110,207 | 0 | 219,179 | 50.3% |
| 2026-04-29 | 66,678 | 0 | 124,213 | 53.7% |
| 2026-04-28 | 95,028 | 0 | 139,745 | 68.0% |
| 2026-04-27 | 63,974 | 0 | 87,696 | 72.9% |
| 2026-04-24 | 66,479 | 0 | 76,249 | 87.2% |
| 2026-04-23 | 148,097 | 0 | 168,621 | 87.8% |
| 2026-04-22 | 69,509 | 0 | 76,621 | 90.7% |
| 2026-04-21 | 60,093 | 0 | 79,696 | 75.4% |
| 2026-04-20 | 50,998 | 0 | 63,643 | 80.1% |
| 2026-04-17 | 58,227 | 0 | 76,857 | 75.8% |
| 2026-04-16 | 48,126 | 0 | 77,819 | 61.8% |
| 2026-04-15 | 53,925 | 0 | 61,132 | 88.2% |
| 2026-04-14 | 34,668 | 0 | 47,804 | 72.5% |
| 2026-04-13 | 43,292 | 0 | 51,952 | 83.3% |
| 2026-04-10 | 73,899 | 0 | 79,976 | 92.4% |
| 2026-04-09 | 92,665 | 0 | 103,614 | 89.4% |
| 2026-04-08 | 93,337 | 0 | 116,135 | 80.4% |
| 2026-04-07 | 72,218 | 0 | 93,577 | 77.2% |
| 2026-04-06 | 53,839 | 0 | 72,951 | 73.8% |
Showing 1–49 of 49 days