AMYLYX PHARMACEUTICALS INC (AMLX) Institutional Ownership and Insiders Activity

AMYLYX PHARMACEUTICALS INC (AMLX) is widely held by institutional investors, with 200 firms reporting positions valued at approximately $1.98B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Fmr Llc is the largest disclosed holder, reporting approximately $300.43M in AMLX holdings in its latest filing.

Recent insider activity includes 18 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.

Institutional Holders

200

Total Reported Value

$1.98B

Largest Holder

Fmr Llc

Largest Position

$300.43M

Insider Transactions (90d)

18

Latest Filing Quarter

Q2 2026

New Institutional Positions

50

Funds Exiting Positions

20