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Perceptive Advisors LLC

SEC CIK
0001224962
Latest filing
Aug 14, 2026

AMLX holding history

Amylyx Pharmaceuticals, Inc. in every 13F filed by Perceptive Advisors 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)
8,334,882
Value
$149.7M
% of portfolio
2.3%
Quarters held
17
Since Q1 2022
Holdings of AMLX by Perceptive Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20268,334,882$149.7M2.3%+50,000+0.6%AddedHolders
Q1 20268,284,882$115.2M2.3%00.0%UnchangedHolders
Q4 20258,284,882$100.1M1.8%−667,483−7.5%ReducedHolders
Q3 20258,952,365$121.7M3.5%+1,050,000+13.3%AddedHolders
Q2 20257,902,365$50.7M1.9%+28,017+0.4%AddedHolders
Q1 20257,874,348$27.9M1.0%+1,100,000+16.2%AddedHolders
Q4 20246,774,348$25.6M0.7%+4,648,699+218.7%AddedHolders
Q3 20242,125,649$6.89M0.1%+2,125,649NewHolders
Q2 20240$00.0%−300,000−100.0%Sold outHolders
Q1 2024300,000$852.0K<0.1%−1,569,125−83.9%ReducedHolders
Q4 20231,869,125$27.5M0.6%−819,748−30.5%ReducedHolders
Q3 20232,688,873$49.2M1.7%−2,185,046−44.8%ReducedHolders
Q2 20234,873,919$105.1M3.1%−1,160,725−19.2%ReducedHolders
Q1 20236,034,644$177.1M5.2%−53,689−0.9%ReducedHolders
Q4 20226,088,333$225.0M6.5%+616,300+11.3%AddedHolders
Q3 20225,472,033$154.0M4.5%+1,931,625+54.6%AddedHolders
Q2 20223,540,408$68.2M2.1%+2,066,301+140.2%AddedHolders
Q1 20221,474,107$18.9M0.4%+1,474,107NewHolders