Institutional Ownership
Cerus Corp
CUSIP 157085101COMCERSQ1 2026
Shares Short
13.69M
As of Jul 15, 2026
Days to Cover
5.50
Short shares ÷ avg daily volume
Change vs Prior
+7.5%
vs previous settlement
Avg Daily Volume
2.49M
FINRA reported ADV
Short Interest History
17 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 |
|---|---|---|---|---|---|
| Jul 15, 2026 | 13.69M | 12.74M | +7.5% | 2.49M | 5.50 |
| Jun 30, 2026 | 12.74M | 19.70M | -35.3% | 3.08M | 4.14 |
| Jun 15, 2026 | 19.70M | 10.77M | +82.9% | 2.32M | 8.49 |
| May 29, 2026 | 10.77M | 18.52M | -41.9% | 2.54M | 4.24 |
| May 15, 2026 | 18.52M | 11.27M | +64.3% | 4.63M | 4.00 |
| Apr 30, 2026 | 11.27M | 11.20M | +0.6% | 1.07M | 10.51 |
| Apr 15, 2026 | 11.20M | 11.12M | +0.8% | 899.6K | 12.45 |
| Mar 31, 2026 | 11.12M | 10.51M | +5.8% | 1.76M | 6.30 |
| Mar 13, 2026 | 10.51M | 7.78M | +35.1% | 2.91M | 3.61 |
| Feb 27, 2026 | 7.78M | 7.82M | -0.5% | 1.37M | 5.69 |
| Feb 13, 2026 | 7.82M | 6.73M | +16.3% | 976.6K | 8.01 |
| Jan 30, 2026 | 6.73M | 7.14M | -5.9% | 1.13M | 5.93 |