Adage Capital Management, L.P.

13F Holdings History for Amylyx Pharmaceuticals, Inc. - COMMON STOCK (AMLX)

Symbol: AMLX on Nasdaq
Investment type: Equity / COMMON STOCK
Latest Disclosed Ownership: 8.8M shares
Security Ownership: 9.87%

Adage Capital Management, L.P. ownership in Amylyx Pharmaceuticals, Inc. COMMON STOCK (AMLX)

2025-08-12 - Adage Capital Management, L.P. has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 8.8M shares of Amylyx Pharmaceuticals, Inc. COMMON STOCK (AMLX). This represents 9.87% percent ownership of the company. In their previous filing dated 2025-05-12, Adage Capital Management, L.P. had reported owning 5.7M shares, indicating an increase of 54.5% percent.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
Adage Capital Management, L.P.	9.87%	+57.3%	$56.4M	8.8M	+3,102,395	+54.5%	$6.41	13G/A	6/30/2025	12 Aug 2025 09:07:03
Adage Capital Management, L.P.	6.43%		$19.9M	5.7M			$3.49	13G	3/31/2025	12 May 2025 09:05:13