BIO short interest
Bio-Rad Laboratories Inc. · Healthcare · Medical - Devices · settlement date 2026-09-30
| Shares short | 1,182,765 |
|---|---|
| Change vs prior report | 184,111 (+18.4%) |
| Change over six months | -2.6% |
| Days to cover | 4.27 (sector: 3.78) |
| Average daily volume | 276,887 |
| Rank in Healthcare | #493 of 922 by days to cover |
BIO short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 1,182,765 | +18.4% | 4.27 | 276,887 |
| 2026-09-15 | 998,654 | -11.7% | 3.83 | 260,959 |
| 2026-08-31 | 1,130,298 | -14.9% | 4.24 | 266,609 |
| 2026-08-14 | 1,327,739 | -6.0% | 4.82 | 275,201 |
| 2026-07-31 | 1,412,268 | -9.4% | 4.29 | 329,435 |
| 2026-07-15 | 1,559,452 | +2.8% | 5.96 | 261,563 |
| 2026-06-30 | 1,517,121 | -0.3% | 4.08 | 372,136 |
| 2026-06-15 | 1,521,346 | +1.0% | 4.38 | 347,408 |
| 2026-05-29 | 1,506,093 | +12.3% | 2.61 | 577,789 |
| 2026-05-15 | 1,340,805 | +22.8% | 2.92 | 459,353 |
| 2026-04-30 | 1,091,991 | +2.3% | 3.69 | 295,806 |
| 2026-04-15 | 1,067,080 | -12.1% | 4.26 | 250,465 |
| 2026-03-31 | 1,214,228 | +20.5% | 3.39 | 357,785 |
| 2026-03-13 | 1,008,034 | +6.4% | 3.79 | 266,141 |
| 2026-02-27 | 947,436 | -0.3% | 3.08 | 307,535 |
| 2026-02-13 | 950,646 | +16.1% | 2.85 | 333,125 |
| 2026-01-30 | 819,074 | +3.4% | 3.34 | 245,022 |
| 2026-01-15 | 792,425 | -8.3% | 3.54 | 223,782 |
| 2025-12-31 | 864,116 | -3.9% | 5.25 | 164,537 |
| 2025-12-15 | 898,989 | -9.0% | 5.55 | 161,888 |
| 2025-11-28 | 987,606 | +13.8% | 5.59 | 176,594 |
| 2025-11-14 | 867,843 | -6.8% | 5.22 | 166,301 |
| 2025-10-31 | 931,212 | -16.7% | 2.93 | 318,214 |
| 2025-10-15 | 1,118,321 | +34.1% | 5.88 | 190,059 |
| 2025-09-30 | 833,897 | -24.6% | 3.76 | 221,971 |
import finzdata as yf
yf.Ticker("BIO").short_interest # every report since 2017
yf.Client().short_interest(["BIO"], start="2018-01-01")Healthcare short interest · BIO price history · Who owns BIO · All short interest