Charles River Laboratories International, Inc. short interest
Short interest in Charles River Laboratories International, Inc. was 2.5 million shares at the 31 August 2026 settlement, up 7.4% on the previous settlement, with 2.78 days to cover at an average daily volume of 913,007 shares, as reported to FINRA.
| Settlement | Shares short | Change | Average daily volume | Days to cover |
|---|---|---|---|---|
| 31 August 2026 | 2,535,053 | +7.4% | 913,007 | 2.78 |
| 14 August 2026 | 2,360,745 | -31.0% | 1,063,448 | 2.22 |
| 31 July 2026 | 3,419,974 | +2.3% | 841,792 | 4.06 |
| 15 July 2026 | 3,343,526 | -23.2% | 837,232 | 3.99 |
| 30 June 2026 | 4,354,792 | +20.5% | 1,023,068 | 4.26 |
| 15 June 2026 | 3,612,693 | -7.3% | 690,301 | 5.23 |
| 29 May 2026 | 3,897,904 | +7.3% | 1,077,274 | 3.62 |
| 15 May 2026 | 3,632,420 | +8.5% | 948,967 | 3.83 |
| 30 April 2026 | 3,349,211 | -28.2% | 738,302 | 4.54 |
| 15 April 2026 | 4,666,350 | +1.6% | 858,041 | 5.44 |
| 31 March 2026 | 4,594,794 | +22.3% | 861,926 | 5.33 |
| 13 March 2026 | 3,756,012 | +6.2% | 942,258 | 3.99 |
FINRA publishes consolidated short interest twice a month, about ten days after each settlement. Days to cover is shares short over average daily volume. Short interest as a share of the float is not shown: the float is not in the public record.
Source
FINRA equity short interest data, the public dataset.
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