ALEC
Alector, Inc.Company with tickers: ALEC
CIK
1653087
CUSIP
014442107
Shares Outstanding
111,025,187
Website
https://www.alector.com
13F Activity (30d)
57 filings
54 filers
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
55/100
Short interest 4.6% of shares — P70
Days to cover 6.6 — P82
Short-volume trend -13.9% — P12
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-05-29). Equal-weight mean of the available factors.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-05-29 | 5,085,727 | 4,857,513 | +228,214 | 6.60 |
| 2026-05-15 | 4,857,513 | 4,999,721 | -142,208 | 9.19 |
| 2026-04-30 | 4,999,721 | 5,151,723 | -152,002 | 9.97 |
| 2026-04-15 | 5,151,723 | 6,284,391 | -1,132,668 | 6.28 |
| 2026-03-31 | 6,284,391 | 6,010,056 | +274,335 | 10.91 |
| 2026-03-13 | 6,010,056 | 6,001,780 | +8,276 | 6.09 |
| 2026-02-27 | 6,001,780 | 6,098,306 | -96,526 | 8.64 |
| 2026-02-13 | 6,098,306 | 6,533,581 | -435,275 | 6.32 |
| 2026-01-30 | 6,533,581 | 6,489,706 | +43,875 | 8.53 |
| 2026-01-15 | 6,489,706 | 6,120,822 | +368,884 | 5.25 |
| 2025-12-31 | 6,120,822 | 6,319,929 | -199,107 | 5.61 |
| 2025-12-15 | 6,319,929 | 4,651,197 | +1,668,732 | 3.20 |
| 2025-11-28 | 4,651,197 | 5,424,705 | -773,508 | 3.48 |
| 2025-11-14 | 5,424,705 | 4,646,742 | +777,963 | 2.69 |
| 2025-10-31 | 4,646,742 | 5,166,162 | -519,420 | 1.00 |
| 2025-10-15 | 5,166,162 | 5,479,405 | -313,243 | 4.20 |
| 2025-09-30 | 5,479,405 | 5,841,774 | -362,369 | 5.40 |
| 2025-09-15 | 5,841,774 | 5,419,873 | +421,901 | 3.60 |
| 2025-08-29 | 5,419,873 | 5,472,802 | -52,929 | 5.80 |
| 2025-08-15 | 5,472,802 | 5,680,352 | -207,550 | 2.58 |
| 2025-07-31 | 5,680,352 | 5,870,569 | -190,217 | 11.51 |
| 2025-07-15 | 5,870,569 | 6,180,489 | -309,920 | 15.08 |
| 2025-06-30 | 6,180,489 | 6,372,729 | -192,240 | 9.26 |
| 2025-06-13 | 6,372,729 | 6,715,439 | -342,710 | 11.27 |
| 2025-05-30 | 6,715,439 | 5,365,193 | +1,350,246 | 5.63 |
| 2025-05-15 | 5,365,193 | 5,358,755 | +6,438 | 4.26 |
| 2025-04-30 | 5,358,755 | 5,579,363 | -220,608 | 5.57 |
| 2025-04-15 | 5,579,363 | 5,442,789 | +136,574 | 7.66 |
| 2025-03-31 | 5,442,789 | 5,346,593 | +96,196 | 11.17 |
| 2025-03-14 | 5,346,593 | 5,516,650 | -170,057 | 6.28 |
| 2025-02-28 | 5,516,650 | 5,606,108 | -89,458 | 6.82 |
| 2025-02-14 | 5,606,108 | 5,671,306 | -65,198 | 12.18 |
| 2025-01-31 | 5,671,306 | 5,577,869 | +93,437 | 10.90 |
| 2025-01-15 | 5,577,869 | 5,172,848 | +405,021 | 6.46 |
| 2024-12-31 | 5,172,848 | 5,648,724 | -475,876 | 3.00 |
| 2024-12-13 | 5,648,724 | 5,392,379 | +256,345 | 2.97 |
| 2024-11-29 | 5,392,379 | 4,021,694 | +1,370,685 | 2.42 |
| 2024-11-15 | 4,021,694 | 4,703,451 | -681,757 | 4.72 |
| 2024-10-31 | 4,703,451 | 4,845,433 | -141,982 | 11.81 |
| 2024-10-15 | 4,845,433 | 4,145,007 | +700,426 | 9.50 |
| 2024-09-30 | 4,145,007 | 3,457,270 | +687,737 | 6.30 |
| 2024-09-13 | 3,457,270 | 3,467,831 | -10,561 | 7.24 |
| 2024-08-30 | 3,467,831 | 3,677,837 | -210,006 | 10.10 |
| 2024-08-15 | 3,677,837 | 4,098,635 | -420,798 | 7.99 |
| 2024-07-31 | 4,098,635 | 4,887,467 | -788,832 | 5.46 |
| 2024-07-15 | 4,887,467 | 4,282,255 | +605,212 | 12.45 |
| 2024-06-28 | 4,282,255 | 5,496,583 | -1,214,328 | 4.38 |
| 2024-06-14 | 5,496,583 | 8,571,815 | -3,075,232 | 6.26 |
| 2024-05-31 | 8,571,815 | 7,844,778 | +727,037 | 15.49 |
| 2024-05-15 | 7,844,778 | 7,537,544 | +307,234 | 18.31 |
Showing 1–50 of 154 settlements