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Ionis Pharmaceuticals Stock Short Interest Report | NASDAQ:IONS | Benzinga
Short interest in Ionis Pharmaceuticals Inc (NASDAQ:IONS) decreased during the last reporting period, falling from 15.27M to 14.84M. This put 10.88% of the company's publicly available shares short.
Short interest in Ionis Pharmaceuticals Corp (XNAS:IONS) decreased during the last reporting period, falling from 280.30M to 275.20M. This put 1.17% of the company's publicly available shares short.
Based on the recent average volume of 1.41M shares traded per day, it would take 10.52 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.
Short Interest
14.84M
Short Interest %
10.9%
Days to Cover
10.52
| Get Alert | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| IONS | Ionis Pharmaceuticals, Inc. Co | 05/30/2025 | 06/10/2025 | 10.88% | 136,328,661 | 14,836,205 | 1,410,037 | 10.52 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 05/15/2025 | 05/27/2025 | 11.20% | 136,328,661 | 15,266,156 | 1,630,549 | 9.36 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 04/30/2025 | 05/09/2025 | 10.73% | 136,328,661 | 14,629,509 | 1,411,113 | 10.37 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 04/15/2025 | 04/25/2025 | 10.67% | 136,328,661 | 14,547,282 | 2,356,410 | 6.17 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 03/31/2025 | 04/09/2025 | 9.78% | 136,328,661 | 13,336,000 | 1,395,099 | 9.56 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 03/14/2025 | 03/25/2025 | 9.40% | 136,328,661 | 12,814,848 | 1,708,250 | 7.5 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 02/28/2025 | 03/11/2025 | 9.43% | 136,328,661 | 12,853,622 | 2,018,209 | 6.37 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 02/14/2025 | 02/26/2025 | 9.30% | 136,328,661 | 12,673,485 | 1,340,248 | 9.46 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 01/31/2025 | 02/11/2025 | 8.96% | 135,261,176 | 12,124,536 | 1,831,301 | 6.62 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 01/15/2025 | 01/27/2025 | 7.57% | 135,261,176 | 10,239,965 | 1,408,358 | 7.27 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 12/31/2024 | 01/10/2025 | 8.06% | 135,261,176 | 10,901,561 | 1,682,606 | 6.48 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 12/13/2024 | 12/24/2024 | 7.78% | 135,261,176 | 10,528,956 | 1,379,548 | 7.63 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 11/29/2024 | 12/10/2024 | 7.72% | 135,261,176 | 10,448,423 | 1,633,097 | 6.4 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 11/15/2024 | 11/26/2024 | 8.17% | 135,261,176 | 11,050,361 | 1,195,779 | 9.24 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 10/31/2024 | 11/11/2024 | 7.94% | 135,261,176 | 10,740,418 | 1,210,170 | 8.88 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 10/15/2024 | 10/24/2024 | 7.31% | 135,074,980 | 9,869,851 | 1,420,544 | 6.95 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 09/30/2024 | 10/09/2024 | 7.80% | 135,074,980 | 10,533,799 | 1,814,522 | 5.81 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 09/13/2024 | 09/24/2024 | 7.86% | 135,074,980 | 10,614,257 | 3,008,213 | 3.53 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 08/30/2024 | 09/11/2024 | 8.22% | 123,574,980 | 10,159,853 | 911,068 | 11.15 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 08/15/2024 | 08/26/2024 | 8.01% | 123,574,980 | 9,902,786 | 1,131,816 | 8.75 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 07/31/2024 | 08/09/2024 | 7.66% | 123,574,980 | 9,461,204 | 1,310,348 | 7.22 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 07/15/2024 | 07/24/2024 | 7.59% | 123,329,263 | 9,365,346 | 1,294,930 | 7.23 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 06/28/2024 | 07/10/2024 | 7.72% | 123,329,263 | 9,520,997 | 2,063,118 | 4.61 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 06/14/2024 | 06/26/2024 | 7.02% | 123,329,263 | 8,653,199 | 935,006 | 9.25 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 05/31/2024 | 06/11/2024 | 6.97% | 123,329,263 | 8,597,493 | 1,356,240 | 6.34 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 05/15/2024 | 05/24/2024 | 6.99% | 123,329,263 | 8,625,854 | 1,102,677 | 7.82 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 04/30/2024 | 05/09/2024 | 7.10% | 123,329,263 | 8,753,675 | 846,483 | 10.34 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 04/15/2024 | 04/24/2024 | 7.74% | 123,209,741 | 9,534,366 | 883,254 | 10.79 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 03/28/2024 | 04/09/2024 | 7.71% | 123,472,803 | 9,522,759 | 952,663 | 10 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 03/15/2024 | 03/26/2024 | 7.83% | 123,472,803 | 9,665,680 | 1,078,789 | 8.96 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 02/29/2024 | 03/11/2024 | 7.38% | 123,472,803 | 9,106,796 | 1,643,039 | 5.54 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 02/15/2024 | 02/27/2024 | 7.34% | 123,472,803 | 9,064,713 | 1,025,039 | 8.84 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 01/31/2024 | 02/09/2024 | 6.97% | 121,193,125 | 8,451,609 | 1,304,996 | 6.48 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 01/12/2024 | 01/24/2024 | 7.05% | 121,193,125 | 8,543,328 | 1,195,918 | 7.14 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 12/29/2023 | 01/10/2024 | 6.80% | 121,193,125 | 8,242,800 | 1,091,677 | 7.55 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 12/15/2023 | 12/27/2023 | 7.07% | 121,193,125 | 8,563,127 | 1,247,402 | 6.86 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 11/30/2023 | 12/11/2023 | 8.01% | 121,193,125 | 9,704,674 | 795,974 | 12.19 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 11/15/2023 | 11/27/2023 | 8.04% | 121,193,125 | 9,740,886 | 1,237,102 | 7.87 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 10/31/2023 | 11/09/2023 | 8.01% | 121,193,125 | 9,704,705 | 1,023,562 | 9.48 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 10/13/2023 | 10/24/2023 | 7.54% | 121,047,214 | 9,127,129 | 1,172,800 | 7.78 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 09/29/2023 | 10/10/2023 | 7.68% | 121,047,214 | 9,302,053 | 1,280,967 | 7.26 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 09/15/2023 | 09/26/2023 | 7.75% | 121,047,214 | 9,377,149 | 950,966 | 9.86 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 08/31/2023 | 09/12/2023 | 7.67% | 121,047,214 | 9,289,197 | 625,849 | 14.84 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 08/15/2023 | 08/24/2023 | 7.97% | 121,047,214 | 9,647,371 | 768,726 | 12.55 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 07/31/2023 | 08/09/2023 | 7.63% | 120,813,123 | 9,214,309 | 1,338,726 | 6.88 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 07/14/2023 | 07/25/2023 | 7.34% | 120,813,123 | 8,864,211 | 847,110 | 10.46 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 06/30/2023 | 07/12/2023 | 7.14% | 120,813,123 | 8,623,220 | 1,187,432 | 7.26 | Get Alert |
| IONS | Ionis Pharmaceuticals, Inc. Co | 06/15/2023 | 06/27/2023 | 7.20% | 120,813,123 | 8,694,216 | 2,037,755 | 4.27 | Get Alert |
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