13F

Stock

Amylyx Pharmaceuticals, Inc.

AMLX · held by 10 managers

Reported value

$50.5M

Holders

10

+1 new · −0 exited

Holders’ est. mark

$7.4M

Price effect on 3 books still in the name

Largest holder

$26.5M

MORGAN STANLEY

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
MORGAN STANLEY1.95M$26.5MHeld
Boxer Capital Management, LLC900K$12.2M$6.46MAdded$4.38M
BANK OF AMERICA CORP /DE/429.5K$5.84MHeld
BARCLAYS PLC414.1K$5.63M$935.4KAdded$4.79M
Persistent Asset Partners Ltd22.9K$311.4KHeld
EVOLUTION WEALTH MANAGEMENT INC.165$2.24KHeld
Catherine Avery Investment Management LLC87$1.18K$624Added$624
Essential Partners LLC16$217New
Allworth Financial LP12$164Held
IFP Advisors, Inc1$14Held

Positions as of Q3 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.