IRWD short interest
Ironwood Pharmaceuticals Inc. · Healthcare · Drug Manufacturers - Specialty & Generic · settlement date 2026-09-30
| Shares short | 15,567,942 |
|---|---|
| Change vs prior report | -3,161,044 (-16.9%) |
| Change over six months | -13.1% |
| Days to cover | 6.19 (sector: 3.78) |
| Average daily volume | 2,515,801 |
| Rank in Healthcare | #301 of 922 by days to cover |
IRWD short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 15,567,942 | -16.9% | 6.19 | 2,515,801 |
| 2026-09-15 | 18,728,986 | +6.1% | 13.11 | 1,428,561 |
| 2026-08-31 | 17,654,677 | -2.3% | 11.90 | 1,482,986 |
| 2026-08-14 | 18,066,382 | +9.2% | 6.44 | 2,804,675 |
| 2026-07-31 | 16,542,403 | -3.8% | 10.04 | 1,647,008 |
| 2026-07-15 | 17,191,892 | +5.9% | 6.32 | 2,720,002 |
| 2026-06-30 | 16,230,028 | +2.1% | 5.65 | 2,872,781 |
| 2026-06-15 | 15,898,991 | +5.9% | 8.18 | 1,942,894 |
| 2026-05-29 | 15,018,969 | -13.4% | 6.00 | 2,504,599 |
| 2026-05-15 | 17,334,279 | +0.4% | 5.77 | 3,002,395 |
| 2026-04-30 | 17,266,421 | -5.1% | 10.51 | 1,643,603 |
| 2026-04-15 | 18,191,102 | +1.6% | 10.20 | 1,783,648 |
| 2026-03-31 | 17,904,692 | +30.7% | 4.67 | 3,832,392 |
| 2026-03-13 | 13,703,587 | +6.1% | 6.65 | 2,059,699 |
| 2026-02-27 | 12,917,285 | +15.8% | 3.24 | 3,989,249 |
| 2026-02-13 | 11,159,224 | +17.9% | 4.52 | 2,470,961 |
| 2026-01-30 | 9,464,516 | +5.1% | 3.52 | 2,685,796 |
| 2026-01-15 | 9,007,479 | +10.6% | 1.00 | 12,387,357 |
| 2025-12-31 | 8,147,450 | +11.2% | 3.22 | 2,533,696 |
| 2025-12-15 | 7,329,764 | -1.8% | 3.79 | 1,931,733 |
| 2025-11-28 | 7,464,531 | +4.3% | 2.75 | 2,712,522 |
| 2025-11-14 | 7,154,955 | +50.2% | 1.48 | 4,831,690 |
| 2025-10-31 | 4,762,545 | +1.3% | 4.03 | 1,183,193 |
| 2025-10-15 | 4,702,015 | -9.0% | 3.60 | 1,306,552 |
| 2025-09-30 | 5,166,794 | -9.5% | 3.67 | 1,407,813 |
import finzdata as yf
yf.Ticker("IRWD").short_interest # every report since 2017
yf.Client().short_interest(["IRWD"], start="2018-01-01")Healthcare short interest · IRWD price history · Who owns IRWD · All short interest