IONS
IONIS PHARMACEUTICALS INCCompany with tickers: IONS
CIK
874015
CUSIP
462222100
Shares Outstanding
165,192,011
Price
Holdings
Short Volume
Short Interest
Fails to Deliver
SEC Filings
Earnings Calls
Insider Trading
Congress Trades
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-03-13 | 13,949,702 | 15,323,236 | -1,373,534 | 5.68 |
| 2026-02-27 | 15,323,236 | 15,487,922 | -164,686 | 6.91 |
| 2026-02-13 | 15,487,922 | 15,537,729 | -49,807 | 8.37 |
| 2026-01-30 | 15,537,729 | 13,729,783 | +1,807,946 | 5.82 |
| 2026-01-15 | 13,729,783 | 14,885,370 | -1,155,587 | 6.59 |
| 2025-12-31 | 14,885,370 | 16,086,183 | -1,200,813 | 9.49 |
| 2025-12-15 | 16,086,183 | 15,626,208 | +459,975 | 7.96 |
| 2025-11-28 | 15,626,208 | 14,223,973 | +1,402,235 | 5.95 |
| 2025-11-14 | 14,223,973 | 12,661,274 | +1,562,699 | 3.81 |
| 2025-10-31 | 12,661,274 | 13,699,358 | -1,038,084 | 6.61 |
| 2025-10-15 | 13,699,358 | 12,278,792 | +1,420,566 | 6.01 |
| 2025-09-30 | 12,278,792 | 11,972,594 | +306,198 | 6.16 |
| 2025-09-15 | 11,972,594 | 10,502,338 | +1,470,256 | 2.49 |
| 2025-08-29 | 10,502,338 | 10,785,168 | -282,830 | 5.94 |
| 2025-08-15 | 10,785,168 | 11,580,340 | -795,172 | 5.01 |
| 2025-07-31 | 11,580,340 | 12,889,193 | -1,308,853 | 6.51 |
| 2025-07-15 | 12,889,193 | 14,139,627 | -1,250,434 | 5.85 |
| 2025-06-30 | 14,139,627 | 14,225,565 | -85,938 | 7.23 |
| 2025-06-13 | 14,225,565 | 14,836,205 | -610,640 | 9.94 |
| 2025-05-30 | 14,836,205 | 15,266,156 | -429,951 | 10.52 |
| 2025-05-15 | 15,266,156 | 14,629,509 | +636,647 | 9.36 |
| 2025-04-30 | 14,629,509 | 14,547,282 | +82,227 | 10.37 |
| 2025-04-15 | 14,547,282 | 13,336,000 | +1,211,282 | 6.17 |
| 2025-03-31 | 13,336,000 | 12,814,848 | +521,152 | 9.56 |