13F

Stock

Amylyx Pharmaceuticals, Inc.

AMLX · held by 4 managers

Reported value

$6.75M

Holders

4

+0 new · −0 exited

Holders’ est. mark

−$22.8K

Price effect on 3 books still in the name

Largest holder

$6.2M

Boxer Capital Management, LLC

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Boxer Capital Management, LLC1.75M$6.2MHeld
BARCLAYS PLC137.4K$486.4K−$18KAdded$203.5K
Marex Group plc20K$70.8K−$4.8KCut−$4.8K
Catherine Avery Investment Management LLC87$308−$21Cut−$21

Positions as of Q1 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.