ALEC
Alector, Inc.Company with tickers: ALEC
CIK
1653087
CUSIP
014442107
Shares Outstanding
111,025,187
Website
https://www.alector.com
13F Activity (30d)
6 filings
2 filers
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-05-04 | 433,328 | 217,336 | 650,664 | 31.0% |
| 2026-04-27 | 361,381 | 454,196 | 815,577 | 39.9% |
| 2026-04-20 | 327,837 | 963,278 | 1,291,115 | 48.5% |
| 2026-04-13 | 371,877 | 353,929 | 725,806 | 37.3% |
| 2026-04-06 | 385,659 | 223,208 | 608,867 | 26.2% |
| 2026-03-30 | 546,527 | 1,701,520 | 2,248,047 | 52.9% |
| 2026-03-23 | 557,057 | 441,016 | 998,073 | 40.8% |
| 2026-03-16 | 443,735 | 824,633 | 1,268,368 | 33.8% |
| 2026-03-09 | 787,336 | 1,017,292 | 1,804,628 | 37.2% |
| 2026-03-02 | 887,741 | 737,825 | 1,625,566 | 31.5% |
| 2026-02-23 | 875,837 | 811,245 | 1,687,082 | 33.7% |
| 2026-02-16 | 381,340 | 415,023 | 796,363 | 35.6% |
| 2026-02-09 | 870,821 | 1,437,792 | 2,308,613 | 51.1% |
| 2026-02-02 | 820,552 | 1,292,112 | 2,112,664 | 40.7% |
| 2026-01-26 | 595,726 | 844,483 | 1,440,209 | 41.7% |
| 2026-01-19 | 470,844 | 727,348 | 1,198,192 | 39.1% |
| 2026-01-12 | 1,131,193 | 1,889,507 | 3,020,700 | 45.7% |
| 2026-01-05 | 1,047,581 | 1,682,319 | 2,729,900 | 42.8% |
| 2025-12-29 | 567,690 | 1,043,582 | 1,611,272 | 44.0% |
| 2025-12-22 | 740,463 | 543,563 | 1,284,026 | 39.5% |
| 2025-12-15 | 1,099,324 | 1,624,610 | 2,723,934 | 38.8% |
| 2025-12-08 | 1,451,503 | 3,504,149 | 4,955,652 | 43.3% |
| 2025-12-01 | 2,013,145 | 2,169,575 | 4,182,720 | 45.6% |
| 2025-11-24 | 962,549 | 645,360 | 1,607,909 | 39.3% |
| 2025-11-17 | 1,652,073 | 1,767,584 | 3,419,657 | 42.6% |
| 2025-11-10 | 2,501,342 | 2,173,771 | 4,675,113 | 46.7% |
| 2025-11-03 | 2,847,961 | 1,753,996 | 4,601,957 | 44.1% |
| 2025-10-27 | 3,197,098 | 9,465,354 | 12,662,452 | 59.1% |
| 2025-10-20 | 9,233,450 | 28,480,899 | 37,714,349 | 54.7% |
| 2025-10-13 | 1,086,356 | 1,709,844 | 2,796,200 | 41.9% |
| 2025-10-06 | 727,307 | 1,325,414 | 2,052,721 | 40.7% |
| 2025-09-29 | 783,602 | 2,928,626 | 3,712,228 | 59.8% |
| 2025-09-22 | 783,022 | 1,471,024 | 2,254,046 | 47.4% |
| 2025-09-15 | 499,700 | 1,936,201 | 2,435,901 | 41.7% |
| 2025-09-08 | 650,870 | 6,614,453 | 7,265,323 | 77.5% |
| 2025-09-01 | 877,589 | 2,157,797 | 3,035,386 | 50.6% |
| 2025-08-25 | 429,269 | 1,025,379 | 1,454,648 | 43.7% |
| 2025-08-18 | 1,344,918 | 1,675,687 | 3,020,605 | 49.4% |
| 2025-08-11 | 2,538,986 | 3,819,128 | 6,358,114 | 55.1% |
| 2025-08-04 | 1,488,989 | 4,955,002 | 6,443,991 | 57.6% |
| 2025-07-28 | 636,128 | 1,151,576 | 1,787,704 | 45.9% |
| 2025-07-21 | 246,776 | 563,601 | 810,377 | 44.5% |
| 2025-07-14 | 175,825 | 426,164 | 601,989 | 39.6% |
| 2025-07-07 | 374,018 | 814,594 | 1,188,612 | 51.9% |
| 2025-06-30 | 320,831 | 582,182 | 903,013 | 50.9% |
| 2025-06-23 | 400,942 | 1,568,929 | 1,969,871 | 54.8% |
Showing 1–46 of 46 weeks