AMYLYX PHARMACEUTICALS INC

Ticker: AMLX CUSIP: 03237H101 Class: Common Stock

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 771,248 Value ($000) $9,316 Avg Close $13.58 Range $11.69 - $16.96

Q3 2025

Shares 509,780 Value ($000) $6,937 Avg Close $9.41 Range $5.97 - $15.14

Q2 2025

Shares 373,739 Value ($000) $2,395 Avg Close $4.86 Range $3.11 - $6.70

Q1 2025

Shares 123,576 Value ($000) $438 Avg Close $3.56 Range $2.60 - $4.18

Q4 2024

Shares 54,114 Value ($000) $205 Avg Close $4.71 Range $2.91 - $7.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	771,248	$9,316	$13.58	$11.69 - $16.96
Q3 2025	509,780	$6,937	$9.41	$5.97 - $15.14
Q2 2025	373,739	$2,395	$4.86	$3.11 - $6.70
Q1 2025	123,576	$438	$3.56	$2.60 - $4.18
Q4 2024	54,114	$205	$4.71	$2.91 - $7.27