ALEC
Alector, Inc. Common Stock
stockNASDAQ
At CloseNov 13, 2026 3:59:57 PM EST
2.55USD+4.082%(+0.10)1,799,203
Pre-marketNov 13, 2026 9:27:30 AM EST
2.59USD+5.714%(+0.14)
After-hoursNov 13, 2026 4:00:30 PM EST
2.54USD-0.392%(-0.01)
As of 2026-10-30, there were 8,393,562 shares short with a short interest of 11.00%.
ALEC Short Interest - Official
ALEC Short Position Change - Official
ALEC Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-10-30 | 11.00 | 8,393,562 | 3.62 | -1,860,677 | -18.15 | 111,656,919 | 76,277,308 |
| 2026-10-15 | 12.45 | 10,254,239 | 1.00 | +4,107,207 | +66.82 | 111,656,919 | 82,357,310 |
| 2026-09-30 | 7.91 | 6,147,032 | 5.73 | +42,229 | +0.69 | 111,656,919 | 77,726,826 |
| 2026-09-15 | 7.85 | 6,104,803 | 3.34 | -60,424 | -0.98 | 111,656,919 | 77,726,826 |
| 2026-08-31 | 7.93 | 6,165,227 | 4.57 | +263,646 | +4.47 | 111,656,919 | 77,726,826 |
| 2026-08-14 | 7.59 | 5,901,581 | 3.46 | +257,275 | +4.56 | 111,656,919 | 77,726,826 |
| 2026-07-31 | 7.26 | 5,644,306 | 12.92 | -20,627 | -0.36 | 111,025,187 | 77,726,826 |
| 2026-07-15 | 7.29 | 5,664,933 | 10.19 | -51,594 | -0.90 | 111,025,187 | 77,726,715 |
| 2026-06-30 | 7.35 | 5,716,527 | 4.40 | +468,872 | +8.93 | 111,025,187 | 77,746,699 |
| 2026-06-15 | 6.74 | 5,247,655 | 7.64 | +161,928 | +3.18 | 111,025,187 | 77,844,734 |
| 2026-05-29 | 6.48 | 5,085,727 | 6.60 | +228,214 | +4.70 | 111,025,187 | 78,476,244 |
| 2026-05-15 | 6.46 | 4,857,513 | 9.19 | -142,208 | -2.84 | 111,025,187 | 75,238,866 |
| 2026-04-30 | 6.39 | 4,999,721 | 9.97 | -152,002 | -2.95 | 111,025,187 | 78,193,932 |
| 2026-04-15 | 6.59 | 5,151,723 | 6.28 | -1,132,668 | -18.02 | 110,362,581 | 78,193,932 |
| 2026-03-31 | 8.04 | 6,284,391 | 10.91 | +274,335 | +4.56 | 110,362,581 | 78,193,932 |
| 2026-03-13 | 7.69 | 6,010,056 | 6.09 | +8,276 | +0.14 | 110,362,581 | 78,193,932 |
| 2026-02-27 | 7.68 | 6,001,780 | 8.64 | -96,526 | -1.58 | 109,151,472 | 78,193,932 |
| 2026-02-13 | 7.80 | 6,098,306 | 6.32 | -435,275 | -6.66 | 109,151,472 | 78,193,932 |
| 2026-01-30 | 8.36 | 6,533,581 | 8.53 | +43,875 | +0.68 | 109,151,472 | 78,193,932 |
| 2026-01-15 | 8.30 | 6,489,706 | 5.25 | +368,884 | +6.03 | 109,151,472 | 78,193,932 |
| 2025-12-31 | 7.83 | 6,120,822 | 5.61 | -199,107 | -3.15 | 109,151,472 | 78,193,932 |
| 2025-12-15 | 8.08 | 6,319,929 | 3.20 | +1,668,732 | +35.88 | 109,151,472 | 78,193,932 |
| 2025-11-28 | 5.94 | 4,651,197 | 3.48 | -773,508 | -14.26 | 109,151,472 | 78,243,050 |
| 2025-11-14 | 5.86 | 5,424,705 | 2.69 | +777,963 | +16.74 | 109,151,472 | 92,512,422 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.