MCK
McKesson Corporation
stockNYSE
At CloseOct 23, 2026 3:59:52 PM EDT
1,000.62USD-1.158%(-11.72)628,974
As of 2026-09-30, there were 2,288,007 shares short with a short interest of 1.91%.
MCK Short Interest - Official
MCK Short Position Change - Official
MCK Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-30 | 1.91 | 2,288,007 | 2.65 | -615,566 | -21.20 | 116,590,363 | 120,014,129 |
| 2026-09-15 | 2.42 | 2,903,573 | 3.39 | +68,472 | +2.42 | 116,590,363 | 120,014,129 |
| 2026-08-31 | 2.36 | 2,835,101 | 2.98 | +415,617 | +17.18 | 116,590,363 | 120,014,129 |
| 2026-08-14 | 2.02 | 2,419,484 | 2.17 | -1,193,627 | -33.04 | 116,590,363 | 120,014,129 |
| 2026-07-31 | 3.01 | 3,613,111 | 3.84 | -264,949 | -6.83 | 117,077,745 | 120,014,129 |
| 2026-07-15 | 3.23 | 3,878,060 | 4.12 | -239,717 | -5.82 | 117,077,745 | 120,015,331 |
| 2026-06-30 | 3.43 | 4,117,777 | 2.84 | -332,407 | -7.47 | 117,077,745 | 120,006,916 |
| 2026-06-15 | 3.70 | 4,450,184 | 5.41 | +1,571,033 | +54.57 | 117,077,745 | 120,123,703 |
| 2026-05-15 | 2.40 | 2,879,151 | 2.04 | +167,694 | +6.18 | 120,204,051 | 120,160,846 |
| 2026-04-30 | 2.20 | 2,711,457 | 3.12 | +134,546 | +5.22 | 122,487,456 | 123,257,555 |
| 2026-04-15 | 2.09 | 2,576,911 | 3.84 | +80,982 | +3.24 | 122,487,456 | 123,257,555 |
| 2026-03-31 | 2.02 | 2,495,929 | 2.92 | +574,800 | +29.92 | 122,487,456 | 123,257,555 |
| 2026-03-13 | 1.56 | 1,921,129 | 2.74 | -141,998 | -6.88 | 122,487,456 | 123,257,555 |
| 2026-02-27 | 1.67 | 2,063,127 | 3.14 | +197,552 | +10.59 | 122,487,456 | 123,257,555 |
| 2026-02-13 | 1.51 | 1,865,575 | 1.63 | +23,609 | +1.28 | 122,487,456 | 123,257,555 |
| 2026-01-30 | 1.49 | 1,841,966 | 3.06 | -187,609 | -9.24 | 123,426,650 | 123,257,555 |
| 2026-01-15 | 1.65 | 2,029,575 | 3.56 | +41,307 | +2.08 | 123,426,650 | 123,257,555 |
| 2025-12-31 | 1.61 | 1,988,268 | 3.76 | -135,195 | -6.37 | 123,426,650 | 123,257,555 |
| 2025-12-15 | 1.72 | 2,123,463 | 2.25 | +114,346 | +5.69 | 123,426,650 | 123,257,555 |
| 2025-11-28 | 1.63 | 2,009,117 | 2.71 | +102,980 | +5.40 | 123,426,650 | 123,257,555 |
| 2025-11-14 | 1.55 | 1,906,137 | 2.35 | -140,636 | -6.87 | 123,426,650 | 123,256,321 |
| 2025-10-31 | 1.65 | 2,046,773 | 3.52 | -280,625 | -12.06 | 124,384,393 | 124,212,743 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.