Adage Capital Management, L.P.

13F Holdings History for Amylyx Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share (AMLX)

Symbol: AMLX on Nasdaq
Investment type: Equity / Common Stock, $0.0001 par value per share
Latest Disclosed Ownership: 6.82M shares
Security Ownership: 6.39%

Adage Capital Management, L.P. ownership in Amylyx Pharmaceuticals, Inc. Common Stock, $0.0001 par value per share (AMLX)

2025-11-13 - Adage Capital Management, L.P. has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 6.82M shares of Amylyx Pharmaceuticals, Inc. Common Stock, $0.0001 par value per share (AMLX). This represents 6.39% percent ownership of the company. In their previous filing dated 2025-08-12, Adage Capital Management, L.P. had reported owning 8.8M shares, indicating a decrease of -22.5% percent.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
Adage Capital Management, L.P.	6.39%	-34.8%	$92.6M	6.82M	-1,983,172	-22.5%	$13.59	13G/A	9/30/2025	13 Nov 2025 09:05:44
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