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683 Capital Management, LLC

SEC CIK
0001404574
Latest filing
Aug 14, 2026

AMLX holding history

Amylyx Pharmaceuticals, Inc. in every 13F filed by 683 Capital Management, LLC, 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)
1,279,512
Value
$23.0M
% of portfolio
2.1%
Quarters held
11
Since Q1 2022
Holdings of AMLX by 683 Capital Management, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,279,512$23.0M2.1%−250,488−16.4%ReducedHolders
Q1 20261,530,000$21.3M2.0%−120,000−7.3%ReducedHolders
Q4 20251,650,000$19.9M1.7%−110,000−6.3%ReducedHolders
Q3 20251,760,000$23.9M2.2%−400,000−18.5%ReducedHolders
Q2 20252,160,000$13.8M1.4%−251,400−10.4%ReducedHolders
Q1 20252,411,400$8.54M0.9%+481,400+24.9%AddedHolders
Q4 20241,930,000$7.30M0.7%−70,000−3.5%ReducedHolders
Q3 20242,000,000$6.48M0.7%+498,129+33.2%AddedHolders
Q2 20241,501,871$2.85M0.3%+1,501,871NewHolders
Q3 20220$00.0%−677,714−100.0%Sold outHolders
Q2 2022677,714$13.0M0.9%00.0%UnchangedHolders
Q1 2022677,714$7.68M0.5%+677,714NewHolders