Institutional Ownership
Aptose Biosciences Inc
CUSIP 03835T408COM NEWAPTOFQ1 2026
Shares Short
3.2K
As of Jun 30, 2026
Days to Cover
2.01
Short shares ÷ avg daily volume
Change vs Prior
-0.3%
vs previous settlement
Avg Daily Volume
1.6K
FINRA reported ADV
Short Interest History
16 settlements on record · FINRA consolidated
Higher short interest is bearish: increases show red, decreases green.
| Settlement | Shares Short | Prior | Change | Avg Daily Vol | Days to Cover |
|---|---|---|---|---|---|
| Jun 30, 2026 | 3.2K | 3.2K | -0.3% | 1.6K | 2.01 |
| Jun 15, 2026 | 3.2K | 3.3K | -0.6% | 2.6K | 1.26 |
| May 29, 2026 | 3.3K | 3.3K | -1.3% | 2.5K | 1.30 |
| May 15, 2026 | 3.3K | 3.4K | -2.3% | 3.7K | 1.00 |
| Apr 30, 2026 | 3.4K | 3.5K | -2.4% | 4.7K | 1.00 |
| Apr 15, 2026 | 3.5K | 21.4K | -83.8% | 3.4K | 1.03 |
| Mar 31, 2026 | 21.4K | 13.6K | +58.0% | 14.6K | 1.47 |
| Mar 13, 2026 | 13.6K | 13.4K | +1.5% | 18.2K | 1.00 |
| Feb 27, 2026 | 13.4K | 13.6K | -1.8% | 52.2K | 1.00 |
| Feb 13, 2026 | 13.6K | 17.6K | -22.7% | 3.9K | 3.52 |
| Jan 30, 2026 | 17.6K | 20.3K | -13.1% | 9.3K | 1.90 |
| Jan 15, 2026 | 20.3K | 19.6K | +3.6% | 7.2K | 2.82 |