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Group One Trading, L.P.

SEC CIK
0000932540
Latest filing
Aug 13, 2026

AMLX holding history

Amylyx Pharmaceuticals, Inc. in every 13F filed by Group One Trading, L.P., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

AMLX overviewAll 13F holders of AMLXFull Q2 2026 holdings

Shares (Q2 2026)
1,624
Value
$29.2K
% of portfolio
<0.1%
Quarters held
15
Since Q1 2022
Holdings of AMLX by Group One Trading, L.P., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,624$29.2K<0.1%+1,624NewHolders
Q3 20250$00.0%−25,856−100.0%Sold outHolders
Q2 202525,856$165.7K<0.1%−17,378−40.2%ReducedHolders
Q1 202543,234$153.0K<0.1%−6,665−13.4%ReducedHolders
Q4 202449,899$188.6K<0.1%−79,391−61.4%ReducedHolders
Q3 2024129,290$418.9K<0.1%−159,991−55.3%ReducedHolders
Q2 2024289,281$549.6K<0.1%+66,559+29.9%AddedHolders
Q1 2024222,722$632.5K<0.1%−280,950−55.8%ReducedHolders
Q4 2023503,672$7.41M0.2%+466,301+1,247.8%AddedHolders
Q3 202337,371$684.3K<0.1%+35,489+1,885.7%AddedHolders
Q2 20231,882$40.6K<0.1%−1,720−47.8%ReducedHolders
Q1 20233,602$105.7K<0.1%−21,936−85.9%ReducedHolders
Q4 202225,538$943.6K<0.1%−63,447−71.3%ReducedHolders
Q3 202288,985$2.50M0.1%−66,403−42.7%ReducedHolders
Q2 2022155,388$2.99M0.1%+154,145+12,401.0%AddedHolders
Q1 20221,243$16.0K<0.1%+1,243NewHolders