WMS
ADVANCED DRAINAGE SYSTEMS, INC.
stockNYSE
At CloseOct 2, 2026 3:59:39 PM EDT
127.20USD+0.268%(+0.34)538,159
As of 2026-09-15, there were 2,873,495 shares short with a short interest of 4.04%.
WMS Short Interest - Official
Short Interest
WMS Short Position Change - Official
Short Position Change
WMS Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-15 | 4.04 | 2,873,495 | 3.89 | -98,551 | -3.32 | 75,405,342 | 71,199,284 |
| 2026-08-31 | 4.17 | 2,972,046 | 5.65 | +553,657 | +22.89 | 75,405,342 | 71,199,284 |
| 2026-08-14 | 3.40 | 2,418,389 | 2.73 | +114,936 | +4.99 | 75,405,342 | 71,199,284 |
| 2026-07-31 | 3.24 | 2,303,453 | 3.88 | -612,887 | -21.02 | 76,645,382 | 71,199,284 |
| 2026-07-15 | 4.10 | 2,916,340 | 4.71 | -222,526 | -7.09 | 76,595,708 | 71,207,102 |
| 2026-06-30 | 4.41 | 3,138,866 | 2.85 | +49,424 | +1.60 | 76,595,708 | 71,207,102 |
| 2026-06-15 | 4.34 | 3,089,442 | 2.71 | +162,072 | +5.54 | 76,595,708 | 71,207,102 |
| 2026-05-15 | 4.04 | 2,927,370 | 4.04 | +169,735 | +6.16 | 77,895,585 | 72,451,463 |
| 2026-04-30 | 3.87 | 2,757,635 | 2.70 | +91,872 | +3.45 | 77,895,585 | 71,259,488 |
| 2026-04-15 | 3.74 | 2,665,763 | 2.94 | -31,604 | -1.17 | 77,895,585 | 71,259,488 |
| 2026-03-31 | 3.79 | 2,697,367 | 3.05 | +114,439 | +4.43 | 77,895,585 | 71,259,488 |
| 2026-03-13 | 3.62 | 2,582,928 | 2.54 | -326,633 | -11.23 | 77,895,585 | 71,259,488 |
| 2026-02-27 | 4.08 | 2,909,561 | 4.89 | +330,845 | +12.83 | 77,895,585 | 71,259,488 |
| 2026-02-13 | 3.62 | 2,578,716 | 2.63 | -729,205 | -22.04 | 77,895,585 | 71,259,488 |
| 2026-01-30 | 4.64 | 3,307,921 | 5.49 | -71,361 | -2.11 | 77,764,487 | 71,259,488 |
| 2026-01-15 | 4.74 | 3,379,282 | 4.76 | +24,194 | +0.72 | 77,764,487 | 71,259,488 |
| 2025-12-31 | 4.71 | 3,355,088 | 7.58 | +28,499 | +0.86 | 77,764,487 | 71,259,488 |
| 2025-12-15 | 4.67 | 3,326,589 | 6.55 | -346,221 | -9.43 | 77,764,487 | 71,259,488 |
| 2025-11-28 | 5.16 | 3,672,810 | 5.34 | +326,923 | +9.77 | 77,764,487 | 71,244,712 |
| 2025-11-14 | 4.70 | 3,345,887 | 3.70 | -900,286 | -21.20 | 77,764,487 | 71,244,712 |
| 2025-10-31 | 5.96 | 4,246,173 | 7.05 | +230,857 | +5.75 | 77,752,610 | 71,232,276 |
| 2025-10-15 | 5.64 | 4,015,316 | 6.62 | -49,759 | -1.22 | 77,752,610 | 71,232,276 |
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.