IRWD
Ironwood Pharmaceuticals Inc
$4.00
+0.02 (+0.50%)
At close · Jul 15
Market Cap
$658.45M
Shares
164,613,406
Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.
Short Squeeze Score
71/100
Short interest 9.9% of shares — P89
Days to cover 5.7 — P85
Price vs VWAP -0.4% — P50
Short-volume trend +1.9% — P59
Short interest change +2.1% — P53
Worst FTD 0.03% of shares — P58
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-06-30). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-06-30 | 16,230,028 | 15,898,991 | +331,037 | 5.65 |
| 2026-06-15 | 15,898,991 | 15,018,969 | +880,022 | 8.18 |
| 2026-05-29 | 15,018,969 | 17,334,279 | -2,315,310 | 6.00 |
| 2026-05-15 | 17,334,279 | 17,266,421 | +67,858 | 5.77 |
| 2026-04-30 | 17,266,421 | 18,191,102 | -924,681 | 10.51 |
| 2026-04-15 | 18,191,102 | 17,904,692 | +286,410 | 10.20 |
| 2026-03-31 | 17,904,692 | 13,703,587 | +4,201,105 | 4.67 |
| 2026-03-13 | 13,703,587 | 12,917,285 | +786,302 | 6.65 |
| 2026-02-27 | 12,917,285 | 11,159,224 | +1,758,061 | 3.24 |
| 2026-02-13 | 11,159,224 | 9,464,516 | +1,694,708 | 4.52 |
| 2026-01-30 | 9,464,516 | 9,007,479 | +457,037 | 3.52 |
| 2026-01-15 | 9,007,479 | 8,147,450 | +860,029 | 1.00 |
| 2025-12-31 | 8,147,450 | 7,329,764 | +817,686 | 3.22 |
| 2025-12-15 | 7,329,764 | 7,464,531 | -134,767 | 3.79 |
| 2025-11-28 | 7,464,531 | 7,154,955 | +309,576 | 2.75 |
| 2025-11-14 | 7,154,955 | 4,762,545 | +2,392,410 | 1.48 |
| 2025-10-31 | 4,762,545 | 4,702,015 | +60,530 | 4.03 |
| 2025-10-15 | 4,702,015 | 5,166,794 | -464,779 | 3.60 |
| 2025-09-30 | 5,166,794 | 5,707,969 | -541,175 | 3.67 |
| 2025-09-15 | 5,707,969 | 6,063,890 | -355,921 | 4.32 |
| 2025-08-29 | 6,063,890 | 6,071,719 | -7,829 | 5.14 |
| 2025-08-15 | 6,071,719 | 5,382,745 | +688,974 | 3.66 |
| 2025-07-31 | 5,382,745 | 6,528,581 | -1,145,836 | 4.23 |
Showing 1–23 of 23 settlements
Key facts
CIK
1446847
CUSIP
46333X108
13F (30d)
12 filings
12 filers
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