Amylyx Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share (AMLX)

CUSIP: 03237H101

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common Stock, $0.0001 par value per share
Shares outstanding
109,540,561
Total 13F shares
112,323,151
Share change
+2,426,275
Total reported value
$1,356,917,347
Put/Call ratio
18%
Price per share
$12.08
Number of holders
180
Value change
+$21,178,257
Number of buys
107
Number of sells
71

Quarterly Holders Quick Answers

What is CUSIP 03237H101?
CUSIP 03237H101 identifies AMLX - Amylyx Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share in SEC institutional holdings data.

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Institutional Holders of Amylyx Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share (AMLX) as of Q4 2025

As of 31 Dec 2025, Amylyx Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share (AMLX) was held by 180 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 112,323,151 shares. The largest 10 holders included FMR LLC, BlackRock, Inc., PERCEPTIVE ADVISORS LLC, TCG Crossover Management, LLC, VANGUARD GROUP INC, Commodore Capital LP, Saturn V Capital Management LP, JANUS HENDERSON GROUP PLC, First Light Asset Management, LLC, and Driehaus Capital Management LLC. This page lists 180 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.