Mckesson Corp. short interest
Short interest in Mckesson Corp. was 2.8 million shares at the 31 August 2026 settlement, up 17.2% on the previous settlement, with 2.98 days to cover at an average daily volume of 952,044 shares, as reported to FINRA.
| Settlement | Shares short | Change | Average daily volume | Days to cover |
|---|---|---|---|---|
| 31 August 2026 | 2,835,101 | +17.2% | 952,044 | 2.98 |
| 14 August 2026 | 2,419,484 | -33.0% | 1,116,036 | 2.17 |
| 31 July 2026 | 3,613,111 | -6.8% | 940,487 | 3.84 |
| 15 July 2026 | 3,878,060 | -5.8% | 941,580 | 4.12 |
| 30 June 2026 | 4,117,777 | -7.5% | 1,448,436 | 2.84 |
| 15 June 2026 | 4,450,184 | -15.0% | 822,355 | 5.41 |
| 29 May 2026 | 5,237,307 | +81.9% | 1,583,536 | 3.31 |
| 15 May 2026 | 2,879,151 | +6.2% | 1,410,153 | 2.04 |
| 30 April 2026 | 2,711,457 | +5.2% | 869,867 | 3.12 |
| 15 April 2026 | 2,576,911 | +3.2% | 671,527 | 3.84 |
| 31 March 2026 | 2,495,929 | +29.9% | 855,279 | 2.92 |
| 13 March 2026 | 1,921,129 | -6.9% | 700,271 | 2.74 |
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.
The same record on your computer
GreekSoup is also a free program for your own computer. It reads these same filings for the names you follow, refreshed as they land, with no account. One pasted line installs it.