STRO · Sutro Biopharma, Inc.
$23.40
+0.40 (+1.74%)
At close · Jul 22
Market Cap
$387.75M
Shares
16.57M
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
56/100
Short interest 8.2% of shares — P85
Days to cover 2.3 — P50
Price vs VWAP -23.4% — P14
Short-volume trend -4.5% — P34
Short interest change +47.7% — P88
Worst FTD 0.01% of shares — P44
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 | 1,361,955 | 922,188 | +439,767 | 2.31 |
| 2026-06-15 | 922,188 | 751,365 | +170,823 | 3.90 |
| 2026-05-29 | 751,365 | 1,193,156 | -441,791 | 1.73 |
| 2026-05-15 | 1,193,156 | 977,108 | +216,048 | 5.61 |
| 2026-04-30 | 977,108 | 748,699 | +228,409 | 3.91 |
| 2026-04-15 | 748,699 | 639,714 | +108,985 | 2.88 |
| 2026-03-31 | 639,714 | 532,614 | +107,100 | 2.79 |
| 2026-03-13 | 532,614 | 517,388 | +15,226 | 3.17 |
| 2026-02-27 | 517,388 | 645,074 | -127,686 | 5.15 |
| 2026-02-13 | 645,074 | 591,301 | +53,773 | 4.43 |
| 2026-01-30 | 591,301 | 528,233 | +63,068 | 5.03 |
| 2026-01-15 | 528,233 | 404,777 | +123,456 | 4.03 |
| 2025-12-31 | 404,777 | 560,264 | -155,487 | 3.72 |
| 2025-12-15 | 560,264 | 3,977,435 | -3,417,171 | 4.01 |
| 2025-11-28 | 397,744 | 352,161 | +45,582 | 6.34 |
| 2025-11-14 | 352,161 | 339,324 | +12,838 | 4.29 |
| 2025-10-31 | 339,324 | 250,658 | +88,665 | 1.47 |
| 2025-10-15 | 250,658 | 248,486 | +2,172 | 4.41 |
| 2025-09-30 | 248,486 | 251,782 | -3,295 | 5.87 |
| 2025-09-15 | 251,782 | 311,109 | -59,328 | 3.67 |
| 2025-08-29 | 311,109 | 352,990 | -41,880 | 7.81 |
| 2025-08-15 | 352,990 | 338,390 | +14,600 | 9.73 |
| 2025-07-31 | 338,390 | 366,014 | -27,624 | 5.82 |
Showing 1–23 of 23 settlements