SPTX
Seaport Therapeutics, Inc. Common StockstockNASDAQ
Market OpenOct 5, 2026 11:46:59 AM EDT
18.06USD-2.326%(-0.43)37,605
17.37Bid21.05Ask3.68SpreadAs of 2026-09-15, there were 3,148,881 shares short with a short interest of 17.98%.
SPTX Short Interest - Official
Short Interest
SPTX Short Position Change - Official
Short Position Change
SPTX 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 | 17.98 | 3,148,881 | 20.69 | -3,528 | -0.11 | 53,530,550 | 17,509,147 |
| 2026-08-31 | 18.00 | 3,152,409 | 25.98 | +139,532 | +4.63 | 53,530,550 | 17,509,147 |
| 2026-08-14 | 17.21 | 3,012,877 | 25.13 | +254,848 | +9.24 | 53,530,550 | 17,509,147 |
| 2026-07-31 | 15.75 | 2,758,029 | 30.75 | +777,753 | +39.27 | 53,530,550 | 17,509,147 |
| 2026-07-15 | 11.31 | 1,980,276 | 12.28 | -799,109 | -28.75 | 53,530,550 | 17,509,147 |
| 2026-06-30 | 15.87 | 2,779,385 | 7.67 | +840,452 | +43.35 | 53,530,550 | 17,509,147 |
| 2026-06-15 | 11.07 | 1,938,933 | 16.23 | +479,464 | +32.85 | 53,530,550 | 17,522,154 |
| 2026-05-15 | 8.58 | 1,459,469 | 1.72 | 0 | 0.00 | 53,027,817 | 17,019,543 |
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.