AMLX
Amylyx Pharmaceuticals, Inc.Company with tickers: AMLX
CIK
1658551
CUSIP
03237H101
Shares Outstanding
111,186,317
13F Activity (30d)
113 filings
110 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 | 2,148,090 | 688,941 | 2,837,031 | 46.2% |
| 2026-04-27 | 1,211,159 | 795,301 | 2,006,460 | 53.6% |
| 2026-04-20 | 889,678 | 632,297 | 1,521,975 | 49.4% |
| 2026-04-13 | 1,890,457 | 1,286,908 | 3,177,365 | 52.1% |
| 2026-04-06 | 3,000,019 | 858,746 | 3,858,765 | 51.8% |
| 2026-03-30 | 1,261,379 | 454,226 | 1,715,605 | 55.4% |
| 2026-03-23 | 1,360,106 | 1,724,473 | 3,084,579 | 51.2% |
| 2026-03-16 | 843,139 | 486,352 | 1,329,491 | 33.8% |
| 2026-03-09 | 1,211,012 | 479,703 | 1,690,715 | 41.2% |
| 2026-03-02 | 2,011,308 | 948,592 | 2,959,900 | 41.7% |
| 2026-02-23 | 1,326,267 | 833,297 | 2,159,564 | 43.3% |
| 2026-02-16 | 653,727 | 274,469 | 928,196 | 36.7% |
| 2026-02-09 | 946,523 | 265,326 | 1,211,849 | 39.9% |
| 2026-02-02 | 1,480,549 | 555,127 | 2,035,676 | 38.8% |
| 2026-01-26 | 2,401,429 | 1,216,952 | 3,618,381 | 45.5% |
| 2026-01-19 | 3,502,682 | 2,071,946 | 5,574,628 | 48.3% |
| 2026-01-12 | 2,443,012 | 608,522 | 3,051,534 | 37.5% |
| 2026-01-05 | 2,654,557 | 2,038,344 | 4,692,901 | 51.2% |
| 2025-12-29 | 1,825,848 | 1,621,812 | 3,447,660 | 46.4% |
| 2025-12-22 | 1,376,397 | 470,891 | 1,847,288 | 42.1% |
| 2025-12-15 | 3,055,667 | 1,852,700 | 4,908,367 | 41.0% |
| 2025-12-08 | 2,087,739 | 955,106 | 3,042,845 | 47.9% |
| 2025-12-01 | 1,425,909 | 537,865 | 1,963,774 | 43.4% |
| 2025-11-24 | 1,088,728 | 686,061 | 1,774,789 | 32.5% |
| 2025-11-17 | 2,403,289 | 857,345 | 3,260,634 | 44.8% |
| 2025-11-10 | 2,278,784 | 1,835,422 | 4,114,206 | 49.2% |
| 2025-11-03 | 2,550,075 | 1,398,016 | 3,948,091 | 50.3% |
| 2025-10-27 | 2,157,906 | 964,117 | 3,122,023 | 49.7% |
| 2025-10-20 | 1,563,116 | 2,751,951 | 4,315,067 | 49.8% |
| 2025-10-13 | 2,418,223 | 2,584,641 | 5,002,864 | 55.1% |
| 2025-10-06 | 2,560,179 | 2,152,389 | 4,712,568 | 49.7% |
| 2025-09-29 | 3,116,210 | 3,028,987 | 6,145,197 | 53.5% |
| 2025-09-22 | 2,043,575 | 1,691,872 | 3,735,447 | 46.7% |
| 2025-09-15 | 2,377,727 | 2,616,634 | 4,994,361 | 46.1% |
| 2025-09-08 | 4,144,339 | 2,886,193 | 7,030,532 | 49.8% |
| 2025-09-01 | 1,599,493 | 2,266,580 | 3,866,073 | 56.8% |
| 2025-08-25 | 1,794,600 | 2,412,944 | 4,207,544 | 50.7% |
| 2025-08-18 | 2,146,545 | 1,289,443 | 3,435,988 | 46.9% |
| 2025-08-11 | 753,549 | 572,115 | 1,325,664 | 39.7% |
| 2025-08-04 | 1,141,542 | 656,989 | 1,798,531 | 38.3% |
| 2025-07-28 | 1,245,412 | 845,549 | 2,090,961 | 37.5% |
| 2025-07-21 | 1,309,204 | 2,024,781 | 3,333,985 | 51.2% |
| 2025-07-14 | 1,991,169 | 1,320,615 | 3,311,784 | 37.5% |
| 2025-07-07 | 2,115,437 | 1,429,255 | 3,544,692 | 36.1% |
| 2025-06-30 | 1,724,988 | 1,165,580 | 2,890,568 | 38.0% |
| 2025-06-23 | 2,396,752 | 5,583,733 | 7,980,485 | 39.9% |
| 2025-06-16 | 1,056,229 | 624,082 | 1,680,311 | 39.9% |
| 2025-06-09 | 1,259,075 | 941,610 | 2,200,685 | 45.8% |
| 2025-06-02 | 1,071,868 | 860,319 | 1,932,187 | 50.3% |
| 2025-05-26 | 873,483 | 652,910 | 1,526,393 | 43.5% |
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