WST
West Pharmaceutical Services, Inc.
stockNYSE
At CloseNov 13, 2026 3:59:52 PM EST
416.54USD+1.274%(+5.24)479,115
After-hoursNov 13, 2026 4:10:30 PM EST
416.42USD-0.029%(-0.12)
As of 2026-10-30, there were 1,807,517 shares short with a short interest of 2.59%.
WST Short Interest - Official
WST Short Position Change - Official
WST Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-10-30 | 2.59 | 1,807,517 | 2.34 | -206,167 | -10.24 | 69,661,036 | 69,846,574 |
| 2026-10-15 | 2.88 | 2,013,684 | 4.17 | -87,478 | -4.16 | 70,375,762 | 69,849,351 |
| 2026-09-30 | 3.00 | 2,101,162 | 3.11 | -276,937 | -11.65 | 70,375,762 | 69,925,817 |
| 2026-09-15 | 3.40 | 2,378,099 | 4.51 | +182,449 | +8.31 | 70,375,762 | 69,925,817 |
| 2026-08-31 | 3.14 | 2,195,650 | 4.89 | +72,389 | +3.41 | 70,375,762 | 69,925,817 |
| 2026-08-14 | 3.04 | 2,123,261 | 4.11 | -387,637 | -15.44 | 70,375,762 | 69,925,817 |
| 2026-07-31 | 3.59 | 2,510,898 | 2.54 | +150,628 | +6.38 | 70,375,762 | 69,925,817 |
| 2026-07-15 | 3.36 | 2,360,270 | 3.58 | +43,539 | +1.88 | 70,647,595 | 70,161,540 |
| 2026-06-30 | 3.30 | 2,316,731 | 2.33 | +28,566 | +1.25 | 70,647,595 | 70,161,540 |
| 2026-06-15 | 3.26 | 2,288,165 | 3.52 | +5,940 | +0.26 | 70,647,595 | 70,197,574 |
| 2026-05-15 | 3.25 | 2,282,225 | 2.63 | -143,537 | -5.92 | 70,647,595 | 70,201,813 |
| 2026-04-30 | 3.39 | 2,425,762 | 2.06 | -236,776 | -8.89 | 70,647,595 | 71,459,952 |
| 2026-04-15 | 3.73 | 2,662,538 | 3.61 | -263,535 | -9.01 | 72,081,610 | 71,459,952 |
| 2026-03-31 | 4.09 | 2,926,073 | 3.17 | +362,709 | +14.15 | 72,081,610 | 71,459,952 |
| 2026-03-13 | 3.59 | 2,563,364 | 2.94 | +190,688 | +8.04 | 72,021,491 | 71,459,952 |
| 2026-02-27 | 3.32 | 2,372,676 | 3.02 | +131,696 | +5.88 | 72,021,491 | 71,459,952 |
| 2026-02-13 | 3.14 | 2,240,980 | 1.66 | -319,166 | -12.47 | 72,043,412 | 71,459,952 |
| 2026-01-30 | 3.58 | 2,560,146 | 1.92 | +641,197 | +33.41 | 71,943,412 | 71,459,952 |
| 2026-01-15 | 2.69 | 1,918,949 | 2.67 | +144,855 | +8.17 | 71,943,412 | 71,459,952 |
| 2025-12-31 | 2.48 | 1,774,094 | 2.72 | -288,017 | -13.97 | 71,943,412 | 71,459,952 |
| 2025-12-15 | 2.89 | 2,062,111 | 3.04 | -2,109 | -0.10 | 71,943,412 | 71,459,952 |
| 2025-11-28 | 2.89 | 2,064,220 | 3.17 | +189,316 | +10.10 | 71,943,412 | 71,459,952 |
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.