13F

Stock

Amylyx Pharmaceuticals, Inc.

AMLX · held by 3 managers

Reported value

$8.69M

Holders

3

+0 new · −0 exited

Holders’ est. mark

$3.89M

Price effect on 3 books still in the name

Largest holder

$7.85M

Boxer Capital Management, LLC

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Boxer Capital Management, LLC1.23M$7.85M$3.52MAdded$1.66M
BARCLAYS PLC130.3K$835.1K$373.9KAdded$348.6K
Catherine Avery Investment Management LLC87$558$250Added$250

Positions as of Q2 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.