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

Insider buying vs selling

Have Amylyx Pharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Camille L. BedrosianChief Medical Officer2025-09-3012,039$14.58
$175.52kSell
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
Gina MazzarielloChief Legal Officer2025-09-308,828$14.58
$128.67kSell
Justin B. KleeCo-Chief Executive Officer2025-09-3029,775$14.37
$427.96kSell
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
Justin B. KleeCo-Chief Executive Officer2025-03-3121,490$3.47
$74.46kSell

1 of 3

AMLX insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when AMLX insiders and whales buy or sell their stock.

AMLX Shareholders

What type of owners hold Amylyx Pharmaceuticals Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Morningside Venture Investments Ltd29.27%26,091,760$401.03MInsider
Isaac Cheng11.69%10,422,228$160.19MInsider
Adage Capital Partners GP LLC9.87%8,800,000$135.26MInstitution
Perceptive Advisors LLC8.87%7,902,365$121.46MInstitution
Tcg Crossover Management LLC6.67%5,943,812$91.36MInstitution
Invest 1. Bv Als6.61%5,895,280$90.61MInsider
Blackrock Inc6.18%5,510,189$84.69MInstitution
Point72 Asset Management LP5.09%4,536,266$69.72MInstitution
Vanguard Group Inc5.05%4,498,028$69.13MInstitution
Joshua B. Cohen3.73%3,325,347$51.11MInsider

1 of 3

AMLX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
AMLX59.67%40.33%Net SellingNet Selling
SANA50.57%49.43%Net Selling
CDTX62.76%37.24%Net BuyingNet Selling
NVAX62.75%17.11%Net Selling
SYRE71.13%28.87%Net SellingNet Selling

Amylyx Pharmaceuticals Stock Ownership FAQ

Who owns Amylyx Pharmaceuticals?

Amylyx Pharmaceuticals (NASDAQ: AMLX) is owned by 91.64% institutional shareholders, 61.95% Amylyx Pharmaceuticals insiders, and 0.00% retail investors. Morningside Venture Investments Ltd is the largest individual Amylyx Pharmaceuticals shareholder, owning 26.09M shares representing 29.27% of the company. Morningside Venture Investments Ltd's Amylyx Pharmaceuticals shares are currently valued at $398.94M.

If you're new to stock investing, here's how to buy Amylyx Pharmaceuticals stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.