GOSS
Gossamer Bio, Inc. Common Stock
stockNASDAQ
At CloseOct 19, 2026 3:59:51 PM EDT
8.35USD-4.789%(-0.42)179,314
As of 2026-09-30, there were 1,237,721 shares short with a short interest of 76.90%.
GOSS Short Interest - Official
GOSS Short Position Change - Official
GOSS 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 | 76.90 | 1,237,721 | 3.50 | +289,098 | +30.48 | 6,116,391 | 1,609,547 |
| 2026-09-15 | 58.94 | 948,623 | 5.07 | -84,293 | -8.16 | 6,110,584 | 1,609,547 |
| 2026-08-31 | 64.17 | 1,032,916 | 2.79 | -51,915 | -4.79 | 6,110,584 | 1,609,547 |
| 2026-08-14 | 67.40 | 1,084,831 | 7.37 | -102,494 | -8.63 | 6,110,584 | 1,609,547 |
| 2026-07-31 | 53.26 | 1,187,325 | 1.49 | +272,590 | +29.80 | 6,110,584 | 2,229,351 |
| 2026-07-15 | 41.03 | 914,736 | 3.79 | +243,536 | +36.28 | 6,110,584 | 2,229,351 |
| 2026-06-30 | 30.11 | 671,200 | 3.22 | -31,450 | -4.48 | 6,110,584 | 2,229,351 |
| 2026-06-15 | 31.52 | 702,650 | 3.41 | +192,167 | +37.64 | 6,110,584 | 2,229,351 |
| 2026-05-15 | 19.89 | 510,483 | 11.48 | +10,254 | +2.05 | 2,933,704 | 2,566,932 |
| 2026-04-30 | 21.27 | 500,229 | 7.65 | -2,222 | -0.44 | 2,933,704 | 2,351,740 |
| 2026-04-15 | 21.37 | 502,451 | 4.85 | +33,698 | +7.19 | 2,933,704 | 2,351,740 |
| 2026-03-31 | 19.93 | 468,754 | 2.75 | +10,975 | +2.40 | 2,933,704 | 2,351,740 |
| 2026-03-13 | 19.47 | 457,779 | 2.70 | +23,834 | +5.49 | 2,893,203 | 2,351,740 |
| 2026-02-27 | 18.45 | 433,944 | 1.00 | +45,290 | +11.65 | 2,893,203 | 2,351,740 |
| 2026-02-13 | 16.53 | 388,654 | 5.10 | +53,914 | +16.11 | 2,893,203 | 2,351,740 |
| 2026-01-30 | 14.23 | 334,740 | 5.68 | +19,460 | +6.17 | 2,893,203 | 2,351,740 |
| 2026-01-15 | 13.41 | 315,281 | 5.43 | +13,845 | +4.59 | 2,893,203 | 2,351,740 |
| 2025-12-31 | 12.82 | 301,435 | 4.66 | +47,549 | +18.73 | 2,893,203 | 2,351,740 |
| 2025-12-15 | 10.80 | 253,886 | 5.73 | -39,096 | -13.34 | 2,893,203 | 2,351,740 |
| 2025-11-28 | 12.46 | 292,982 | 8.22 | -12,297 | -4.03 | 2,893,203 | 2,351,740 |
| 2025-11-14 | 13.07 | 305,279 | 9.45 | -6,202 | -1.99 | 2,893,203 | 2,335,480 |
| 2025-10-31 | 13.60 | 311,480 | 8.01 | -23,016 | -6.88 | 2,861,008 | 2,290,604 |
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.