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NASDAQ: AMLX
Amylyx Pharmaceuticals Inc Stock Ownership - Who owns Amylyx Pharmaceuticals?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Amylyx Pharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
George M. Milne Jr.Director2026-10-0530,000$27.70
$830.91kSell
James M. FratesCFO2026-09-101,042$33.23
$34.63kSell
James M. FratesCFO2026-09-109,768$32.27
$315.19kSell
Camille L. BedrosianMed2026-09-102,081$33.09
$68.86kSell
Gina MazzarielloCLO2026-09-1011$33.34
$366.74Sell
Gina MazzarielloCLO2026-09-109,525$32.46
$309.14kSell
Justin B. KleeCEO2026-09-1029,025$32.13
$932.54kSell
Joshua B. CohenCEO2026-09-10919$33.15
$30.46kSell
Justin B. KleeCEO2026-09-101,439$33.16
$47.71kSell
Joshua B. CohenCEO2026-09-1029,545$32.16
$950.05kSell

1 of 4

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Net Insider Buy/Sell (L12M) Ownership

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AMLX Shareholders

What type of owners hold Amylyx Pharmaceuticals Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Morningside Venture Investments Ltd23.42%26,091,760$731.61MInsider
Isaac Cheng9.35%10,422,228$292.24MInsider
Invest 1. Bv Als5.29%5,895,280$165.30MInsider
Joshua B. Cohen3.24%3,613,123$101.31MInsider
Justin B. Klee3.24%3,613,056$101.31MInsider
Dragsa 96 LLC2.06%2,300,000$64.49MInsider
Viking Global Investors LP1.66%1,850,940$51.90MInsider
George M. Milne Jr.0.70%782,881$21.95MInsider
James M. Frates0.26%284,697$7.98MInsider
Camille L. Bedrosian0.25%278,064$7.80MInsider

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AMLX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
AMLX0.10%50.21%Net SellingNet Selling
ELVN0.11%81.00%Net SellingNet Buying
TARS0.11%39.11%Net SellingNet Selling
VKTX0.06%8.15%Net Selling
DYN0.10%20.12%Net SellingNet Selling
View Top Biotech Stocks

Amylyx Pharmaceuticals Stock Ownership FAQ

Who owns Amylyx Pharmaceuticals?

Amylyx Pharmaceuticals (NASDAQ: AMLX) is owned by 0.10% institutional shareholders, 50.21% Amylyx Pharmaceuticals insiders, and 49.69% retail investors. Morningside Venture Investments Ltd is the largest individual Amylyx Pharmaceuticals shareholder, owning 26.09M shares representing 23.42% of the company. Morningside Venture Investments Ltd's Amylyx Pharmaceuticals shares are currently valued at $761.88M.

If you're new to stock investing, here's how to buy Amylyx Pharmaceuticals stock.
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