Amylyx Pharmaceuticals (AMLX) Institutional Ownership $3.66 -0.21 (-5.43%) Closing price 04:00 PM EasternExtended Trading$3.70 +0.04 (+1.23%) As of 06:34 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Amylyx Pharmaceuticals (NASDAQ:AMLX)CurrentInstitutional OwnershipPercentage95.84%Number ofInstitutional Buyers(last 12 months)60TotalInstitutional Inflows(last 12 months)$56.14MNumber ofInstitutional Sellers(last 12 months)29TotalInstitutional Outflows(last 12 months)$16.47M Get AMLX Insider Trade Alerts Want to know when executives and insiders are buying or selling Amylyx Pharmaceuticals stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Skip Chart & View Institutional Buying and Selling Data AMLX Institutional Buying and Selling by Quarter Remove Ads Amylyx Pharmaceuticals Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails3/24/2025 Wellington Management Group LLP209,708$793K0.0%N/A0.237% 2/20/2025 Mackenzie Financial Corp111,310$421K0.0%+234.9%0.162% 2/18/2025 Alpine Global Management LLC12,017$45K0.0%N/A0.018% 2/17/2025 Vident Advisory LLC10,862$41K0.0%-30.2%0.016% 2/17/2025 Two Sigma Advisers LP241,400$912K0.0%-22.0%0.352% 2/17/2025 Two Sigma Investments LP651,517$2.46M0.0%+77.4%0.950% 2/17/2025 State of Wyoming16,077$61K0.0%-37.6%0.023% 2/17/2025 Point72 Asia Singapore Pte. Ltd.72,863$275K0.1%-12.8%0.106% 2/17/2025 Man Group plc100,059$378K0.0%-23.5%0.146% 2/17/2025 OMERS ADMINISTRATION Corp66,000$249K0.0%N/A0.096% Get the Latest News and Ratings for AMLX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Amylyx Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 2/17/2025 Orbimed Advisors LLC348,000$1.32M0.0%N/A0.508% 2/17/2025 Millennium Management LLC594,236$2.25M0.0%+30.1%0.867% 2/17/2025 Jacobs Levy Equity Management Inc.314,939$1.19M0.0%-34.2%0.459% 2/17/2025 D. E. Shaw & Co. Inc.306,744$1.16M0.0%-55.6%0.447% 2/17/2025 Cubist Systematic Strategies LLC472,397$1.79M0.0%+862.5%0.689% 2/17/2025 Bridgeway Capital Management LLC146,500$554K0.0%+12.7%0.214% 2/17/2025 Bank of America Corp DE2,426,263$9.17M0.0%+165.9%3.539% 2/17/2025 Ameriprise Financial Inc.50,428$191K0.0%N/A0.074% 2/17/2025 Alyeska Investment Group L.P.823,420$3.11M0.0%-59.3%1.201% 2/17/2025 Almitas Capital LLC2,032,370$7.68M1.7%+2.2%2.965% 2/17/2025 683 Capital Management LLC1,930,000$7.30M0.5%-3.5%2.815% 2/14/2025 Boxer Capital Management LLC1,750,000$6.62M0.6%N/A2.553% 2/14/2025 Jane Street Group LLC765,475$2.89M0.0%+122.4%1.117% 2/14/2025 Schonfeld Strategic Advisors LLC193,931$733K0.0%+16.5%0.283% 2/14/2025 Nantahala Capital Management LLC1,452,153$5.49M0.2%+3.4%2.118% 2/14/2025 Northern Trust Corp106,564$403K0.0%+11.8%0.155% 2/14/2025 Tudor Investment Corp ET AL33,687$127K0.0%N/A0.049% 2/14/2025 Boothbay Fund Management LLC80,543$304K0.0%-5.8%0.117% 2/14/2025 Alpine Global Management LLC12,017$45K0.0%N/A0.018% 2/14/2025 Hsbc Holdings PLC11,566$43K0.0%-81.3%0.017% 2/14/2025 Tower Research Capital LLC TRC 45,987$174K0.0%+377.0%0.067% 2/14/2025 Dimensional Fund Advisors LP54,114$205K0.0%N/A0.079% 2/14/2025 Alpha Wave Global LP148,627$562K0.3%-77.8%0.217% 2/13/2025 Marshall Wace LLP184,678$698K0.0%-35.0%0.269% 2/13/2025 Jump Financial LLC104,342$394K0.0%N/A0.152% 2/13/2025 Guggenheim Capital LLC35,868$136K0.0%+132.9%0.052% 2/13/2025 XTX Topco Ltd53,376$202K0.0%+12.0%0.078% 2/13/2025 Mariner LLC50,539$191K0.0%-10.3%0.074% 2/13/2025 Barclays PLC74,845$282K0.0%-11.5%0.109% 2/13/2025 Renaissance Technologies LLC464,400$1.76M0.0%+70.9%0.677% Partner with Elon Musk on Project Colossus… Before May 1st (Ad)Even though xAI is a private company, tech legend and angel investor Jeff Brown found a way for everyday folks like you… To partner with Elon on what he believes will be the biggest AI project of the century… Starting with as little as $500.Click here to see how you could take a stake in Elon’s private company…2/13/2025 Federated Hermes Inc.202,316$765K0.0%+8.6%0.295% 2/13/2025 Wedbush Securities Inc.19,914$75K0.0%N/A0.029% 2/12/2025 Landscape Capital Management L.L.C.49,661$188K0.0%N/A0.072% 2/12/2025 Aldebaran Capital LLC262,753$993K0.9%-2.6%0.383% 2/12/2025 RPO LLC12,136$46K0.0%N/A0.018% 2/12/2025 ExodusPoint Capital Management LP106,237$402K0.0%N/A0.155% 2/12/2025 Geode Capital Management LLC567,903$2.15M0.0%+3.1%0.828% 2/12/2025 Wellington Management Group LLP209,708$793K0.0%N/A0.306% 2/12/2025 JPMorgan Chase & Co.55,606$210K0.0%-60.4%0.081% 2/11/2025 EntryPoint Capital LLC13,909$53K0.0%N/A0.020% 2/11/2025 Fox Run Management L.L.C.11,788$45K0.0%N/A0.017% 2/11/2025 American Century Companies Inc.59,310$224K0.0%+181.8%0.087% 2/10/2025 Kennondale Capital Management LLC134,445$508K0.4%N/A0.196% 2/10/2025 Connor Clark & Lunn Investment Management Ltd.1,263,353$4.78M0.0%+43.4%1.843% 2/6/2025 Charles Schwab Investment Management Inc.298,949$1.13M0.0%-1.1%0.436% 2/4/2025 Y Intercept Hong Kong Ltd14,809$56K0.0%N/A0.022% 1/30/2025 Blue Trust Inc.6,987$26K0.0%+232.1%0.010% 1/24/2025 abrdn plc1,722,805$6.51M0.0%-12.6%2.513% 1/22/2025 Blue Trust Inc.6,987$26K0.0%+232.1%0.010% 1/17/2025 SG Americas Securities LLC15,958$60K0.0%-72.2%0.023% 1/15/2025 Hennion & Walsh Asset Management Inc.90,619$343K0.0%-20.9%0.132% 12/26/2024 JPMorgan Chase & Co.140,559$455K0.0%+144.4%0.205% 11/19/2024 Barclays PLC84,572$274K0.0%+91.1%0.123% 11/16/2024 Geode Capital Management LLC551,039$1.79M0.0%+17.5%0.804% 11/15/2024 Barclays PLC84,572$274K0.0%+91.1%0.123% 11/15/2024 XTX Topco Ltd47,672$154K0.0%-77.4%0.070% 11/15/2024 Jane Street Group LLC344,173$1.12M0.0%-29.9%0.502% 11/15/2024 Jacobs Levy Equity Management Inc.478,440$1.55M0.0%-18.8%0.698% 11/14/2024 Walleye Capital LLC670,594$2.17M0.0%+986.5%0.978% 11/13/2024 Alpha Wave Global LP669,487$2.17M0.7%N/A0.977% 11/13/2024 FMR LLC221,001$716K0.0%+292.0%0.322% 11/12/2024 Charles Schwab Investment Management Inc.302,270$979K0.0%-42.1%0.444% 11/8/2024 Connor Clark & Lunn Investment Management Ltd.880,745$2.85M0.0%+41.6%1.294% 10/25/2024 China Universal Asset Management Co. Ltd.13,094$42K0.0%+63.9%0.019% 10/25/2024 abrdn plc1,972,242$6.39M0.0%+1,567.9%2.900% 10/23/2024 Hennion & Walsh Asset Management Inc.114,534$371K0.0%-3.7%0.168% 9/16/2024 Point72 DIFC Ltd25,953$49K0.0%-47.0%0.038% 9/16/2024 Cubist Systematic Strategies LLC166,548$316K0.0%-5.4%0.245% 9/16/2024 Point72 Asia Singapore Pte. Ltd.82,042$156K0.0%N/A0.121% 8/29/2024 Maven Securities LTD100,000$190K0.0%+300.0%0.147% 8/16/2024 Algert Global LLC24,814$47K0.0%N/A0.036% 8/16/2024 Almitas Capital LLC1,903,851$3.62M1.5%N/A2.800% 8/15/2024 Mackenzie Financial Corp57,923$110K0.0%-20.2%0.085% 8/15/2024 Millennium Management LLC1,535,178$2.92M0.0%-38.9%2.257% 8/15/2024 AQR Capital Management LLC3,340,943$6.35M0.0%+2,768.0%4.913% 8/15/2024 Point72 Asia Singapore Pte. Ltd.82,042$156K0.0%N/A0.121% 8/14/2024 Squarepoint Ops LLC272,576$518K0.0%+71.1%0.401% 8/14/2024 Cubist Systematic Strategies LLC166,548$316K0.0%-5.4%0.245% 8/14/2024 Point72 DIFC Ltd25,953$49K0.0%-47.0%0.038% 8/12/2024 XTX Topco Ltd210,612$400K0.0%N/A0.310% Trump’s Great Society (Ad)Trump’s Final Reset Inside the shocking plot to re-engineer America’s financial system…and why you need to move your money now.Millions of Americans are about to be wiped out, while others could make a fortune… click here to ma8/12/2024 Hsbc Holdings PLC76,261$150K0.0%+57.9%0.112% 8/9/2024 Renaissance Technologies LLC811,488$1.54M0.0%+15.2%1.193% 8/8/2024 American Century Companies Inc.19,041$36K0.0%-95.0%0.028% 8/6/2024 Acadian Asset Management LLC1,211,617$2.30M0.0%N/A1.782% 8/1/2024 Rhumbline Advisers28,779$55K0.0%-58.5%0.042% 7/26/2024 Allspring Global Investments Holdings LLC28,785$55K0.0%+88.4%0.042% 7/20/2024 Hennion & Walsh Asset Management Inc.118,983$226K0.0%+5.4%0.175% 7/12/2024 SG Americas Securities LLC55,836$106K0.0%+113.6%0.082% 7/10/2024 CWM LLC28,643$54K0.0%+104.2%0.042% 5/24/2024 Farallon Capital Management LLC1,150,221$3.27M0.0%N/A1.691% (Data available from 1/1/2016 forward)Remove Ads AMLX Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of AMLX shares? During the previous two years, 145 institutional investors and hedge funds held shares of Amylyx Pharmaceuticals. The most heavily invested institutionals were Pictet Asset Management SA ($42.07M), Stonepine Capital Management LLC ($36.80M), Rock Springs Capital Management LP ($33.32M), Adage Capital Partners GP L.L.C. ($31.13M), Perceptive Advisors LLC ($27.51M), Great Point Partners LLC ($20.90M), and Franklin Resources Inc. ($19.50M).Learn more on AMLX's institutional investors. What percentage of Amylyx Pharmaceuticals stock is owned by institutional investors? 95.84% of Amylyx Pharmaceuticals stock is owned by institutional investors. Learn more on AMLX's institutional investor holdings. Which institutional investors have been buying Amylyx Pharmaceuticals stock? Of the 119 institutional investors that purchased Amylyx Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: AQR Capital Management LLC ($3.22M), abrdn plc ($2.05M), Almitas Capital LLC ($1.95M), Boxer Capital Management LLC ($1.75M), Bank of America Corp DE ($1.51M), Stonepine Capital Management LLC ($1.39M), and Acadian Asset Management LLC ($1.21M). How much institutional buying is happening at Amylyx Pharmaceuticals? Institutional investors have bought a total of 30,599,720 shares in the last 24 months. This purchase volume represents approximately $287.93M in transactions. Which Amylyx Pharmaceuticals major shareholders have been selling company stock? Of the 55 institutional investors that sold Amylyx Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Perceptive Advisors LLC ($1.98M), Avidity Partners Management LP ($1.69M), Federated Hermes Inc. ($1.43M), Alyeska Investment Group L.P. ($1.20M), Millennium Management LLC ($976.28K), Allspring Global Investments Holdings LLC ($524.60K), and Alpha Wave Global LP ($520.86K). How much institutional selling is happening at Amylyx Pharmaceuticals? Institutional investors have sold a total of 12,015,456 shares in the last 24 months. This volume of shares sold represents approximately $138.75M in transactions. 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