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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
Camille L. BedrosianChief Medical Officer2025-12-016,580$14.35
$94.42kSell
Camille L. BedrosianChief Medical Officer2025-09-3012,039$14.58
$175.52kSell
Justin B. KleeCo-Chief Executive Officer2025-09-3029,775$14.37
$427.96kSell
Gina MazzarielloChief Legal Officer2025-09-308,828$14.58
$128.67kSell
Joshua B. CohenCo-Chief Executive Officer2025-09-3029,733$14.34
$426.46kSell
Joshua B. CohenCo-Chief Executive Officer2025-09-30200$15.00
$3.00kSell
James M. FratesChief Financial Officer2025-09-3010,558$14.65
$154.65kSell
Justin B. KleeCo-Chief Executive Officer2025-09-30200$15.01
$3.00kSell
Gina MazzarielloChief Legal Officer2025-08-1315,000$8.34
$125.04kSell
Gina MazzarielloChief Legal Officer2025-08-1215,000$8.07
$121.10kSell

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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 Ltd23.76%26,091,760$370.50MInsider
Fmr LLC10.36%11,379,207$161.58MInstitution
Isaac Cheng9.49%10,422,228$148.00MInsider
Perceptive Advisors LLC8.15%8,952,365$127.12MInstitution
Blackrock Inc6.50%7,140,692$101.40MInstitution
Adage Capital Partners GP LLC6.21%6,816,828$96.80MInstitution
Tcg Crossover Management LLC5.69%6,243,812$88.66MInstitution
Invest 1. Bv Als5.37%5,895,280$83.71MInsider
Vanguard Group Inc4.80%5,273,750$74.89MInstitution
Saturn V Capital Management LP4.19%4,604,878$65.39MInstitution

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AMLX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
AMLX66.52%33.48%Net SellingNet Selling
INVA60.33%39.67%Net SellingNet Buying
ATAI12.02%25.40%Net Buying
BCRX83.90%16.10%Net SellingNet Selling
AGIO76.65%23.35%Net SellingNet Selling
View Top Biotech Stocks

Amylyx Pharmaceuticals Stock Ownership FAQ

Who owns Amylyx Pharmaceuticals?

Amylyx Pharmaceuticals (NASDAQ: AMLX) is owned by 99.91% institutional shareholders, 50.28% Amylyx Pharmaceuticals insiders, and 0.00% retail investors. Morningside Venture Investments Ltd is the largest individual Amylyx Pharmaceuticals shareholder, owning 26.09M shares representing 23.76% of the company. Morningside Venture Investments Ltd's Amylyx Pharmaceuticals shares are currently valued at $370.50M.

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