Institutional Ownership
Alector Inc
CUSIP 014442107COMALECQ1 2026
Shares Short
5.66M
As of Jul 15, 2026
Days to Cover
10.19
Short shares ÷ avg daily volume
Change vs Prior
-0.9%
vs previous settlement
Avg Daily Volume
555.7K
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 | 5.66M | 5.72M | -0.9% | 555.7K | 10.19 |
| Jun 30, 2026 | 5.72M | 5.25M | +8.9% | 1.30M | 4.40 |
| Jun 15, 2026 | 5.25M | 5.09M | +3.2% | 686.7K | 7.64 |
| May 29, 2026 | 5.09M | 4.86M | +4.7% | 770.2K | 6.60 |
| May 15, 2026 | 4.86M | 5.00M | -2.8% | 528.7K | 9.19 |
| Apr 30, 2026 | 5.00M | 5.15M | -3.0% | 501.3K | 9.97 |
| Apr 15, 2026 | 5.15M | 6.28M | -18.0% | 820.7K | 6.28 |
| Mar 31, 2026 | 6.28M | 6.01M | +4.6% | 575.9K | 10.91 |
| Mar 13, 2026 | 6.01M | 6.00M | +0.1% | 986.7K | 6.09 |
| Feb 27, 2026 | 6.00M | 6.10M | -1.6% | 694.5K | 8.64 |
| Feb 13, 2026 | 6.10M | 6.53M | -6.7% | 964.8K | 6.32 |
| Jan 30, 2026 | 6.53M | 6.49M | +0.7% | 765.8K | 8.53 |