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Amylyx Pharmaceuticals (AMLX) Institutional Ownership

Amylyx Pharmaceuticals logo
$18.27 +0.32 (+1.78%)
Closing price 07/2/2026 04:00 PM Eastern
Extended Trading
$18.30 +0.03 (+0.14%)
As of 07/2/2026 05:39 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 Massive. Learn more.

Institutional Ownership Changes (13F Filings) for Amylyx Pharmaceuticals (NASDAQ:AMLX)

Current
Institutional Ownership
Percentage
95.84%
Number of
Institutional Buyers
(last 12 months)
112
Total
Institutional Inflows
(last 12 months)
$418.45M
Number of
Institutional Sellers
(last 12 months)
54
Total
Institutional Outflows
(last 12 months)
$221.81M
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AMLX Institutional Buying and Selling by Quarter

Amylyx Pharmaceuticals Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
6/4/2026Seven Fleet Capital Management LP16,671$232K0.1%+44.1%0.015%
5/19/2026Bank of America Corp DE1,330,689$18.50M0.0%-0.4%1.197%
5/19/2026Stempoint Capital LP669,685$9.31M1.8%+18.5%0.602%
5/19/2026Janus Henderson Group PLC4,986,073$69.26M0.0%+11.6%4.484%
5/18/2026ADAR1 Capital Management LLC1,000,604$13.91M0.8%+12.4%0.900%
5/18/2026Amundi12,895$179K0.0%N/A0.012%
5/18/2026California State Teachers Retirement System65,002$904K0.0%-17.8%0.058%
5/18/2026Royal Bank of Canada12,383$172K0.0%-20.8%0.011%
5/16/2026The Manufacturers Life Insurance Company 38,781$539K0.0%+43.7%0.035%
5/16/2026First Light Asset Management LLC3,190,645$44.35M4.0%-4.9%2.870%
5/16/2026SummitTX Capital L.P.227,010$3.16M0.1%+3.9%0.204%
5/14/2026Siren L.L.C.1,230,000$17.10M0.5%N/A1.106%
5/14/2026Sei Investments Co.85,279$1.19M0.0%+61.3%0.077%
5/7/2026Dimensional Fund Advisors LP903,192$12.54M0.0%+17.1%0.813%
5/7/2026KBC Group NV1,863$26K0.0%N/A0.002%
5/7/2026Swiss National Bank130,300$1.81M0.0%-19.4%0.117%
5/5/2026Bank of New York Mellon Corp251,104$3.49M0.0%+15.5%0.226%
4/30/2026Hsbc Holdings PLC11,414$157K0.0%N/A0.010%
4/24/2026iA Global Asset Management Inc.304,786$4.24M0.1%N/A0.276%
4/22/2026Pictet Asset Management Holding SA10,768$150K0.0%N/A0.010%
3/3/2026Caitong International Asset Management Co. Ltd3,859$47K0.0%+954.4%0.004%
2/26/2026Seven Fleet Capital Management LP11,571$140K0.1%N/A0.011%
2/19/2026T. Rowe Price Investment Management Inc.4,517$55K0.0%-99.6%0.004%
2/19/2026Invesco Ltd.175,914$2.13M0.0%-78.3%0.160%
2/18/2026ADAR1 Capital Management LLC890,356$10.76M0.8%+2.8%0.811%
2/18/2026XTX Topco Ltd189,673$2.29M0.1%N/A0.173%
2/18/2026Voloridge Investment Management LLC153,363$1.85M0.0%N/A0.140%
2/18/2026Virtus Investment Advisers LLC20,307$245K0.1%N/A0.018%
2/18/2026Wellington Management Group LLP225,782$2.73M0.0%-4.4%0.206%
2/18/2026SummitTX Capital L.P.218,399$2.64M0.1%+30.0%0.199%
2/18/2026Tudor Investment Corp ET AL22,402$271K0.0%N/A0.020%
2/18/2026Quadrature Capital Ltd15,465$187K0.0%-45.3%0.014%
2/18/2026Numerai GP LLC112,648$1.36M0.2%+67.7%0.103%
2/18/2026Perceptive Advisors LLC8,284,882$100.08M1.8%-7.5%7.544%
2/18/2026Millennium Management LLC46,455$561K0.0%-88.9%0.042%
2/18/2026Janus Henderson Group PLC4,465,872$53.99M0.0%+76.1%4.067%
2/18/2026Elmind Capital LP112,000$1.35M0.4%N/A0.102%
2/18/2026Engineers Gate Manager LP18,358$222K0.0%N/A0.017%
2/18/2026Commodore Capital LP5,650,000$68.25M4.5%+38.6%5.145%
2/18/2026Cormorant Asset Management LP400,000$4.83M0.2%-20.0%0.364%
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2/18/2026Balyasny Asset Management L.P.858,684$10.37M0.0%-41.8%0.782%
2/18/2026683 Capital Management LLC1,650,000$19.93M0.9%-6.3%1.502%
2/18/2026ACT Capital Management LLC9,000$109K0.1%N/A0.008%
2/17/2026Logos Global Management LP950,000$11.48M0.7%-34.5%0.865%
2/17/2026ADAR1 Capital Management LLC890,356$10.76M0.8%+2.8%0.811%
2/17/2026Schonfeld Strategic Advisors LLC21,052$254K0.0%-51.8%0.019%
2/17/2026AQR Capital Management LLC27,847$336K0.0%-62.2%0.025%
2/17/2026Trexquant Investment LP48,112$581K0.0%-78.4%0.044%
2/17/2026Price T Rowe Associates Inc. MD107,548$1.30M0.0%+7.1%0.098%
2/17/2026Adage Capital Partners GP L.L.C.2,777,055$33.55M0.1%-59.3%2.529%
2/17/2026California State Teachers Retirement System79,090$955K0.0%+1,726.1%0.072%
2/17/2026Russell Investments Group Ltd.65,438$790K0.0%+18.1%0.060%
2/17/2026Atom Investors LP139,422$1.68M0.1%N/A0.127%
2/17/2026State of Wisconsin Investment Board84,144$1.02M0.0%+506.4%0.077%
2/17/2026Royal Bank of Canada15,643$188K0.0%-83.2%0.014%
2/17/2026Persistent Asset Partners Ltd31,147$376K0.2%+35.9%0.028%
2/16/2026Squarepoint Ops LLC76,562$925K0.0%N/A0.070%
2/16/2026Sofinnova Investments Inc.527,099$6.37M0.3%N/A0.480%
2/16/2026Verition Fund Management LLC29,487$356K0.0%-53.9%0.027%
2/16/2026Mariner LLC46,342$560K0.0%-3.5%0.042%
2/16/2026Landscape Capital Management L.L.C.12,226$148K0.0%+17.5%0.011%
2/16/2026Barclays PLC295,177$3.57M0.0%-28.7%0.269%
2/13/2026Nantahala Capital Management LLC835,684$10.10M0.3%-10.7%0.761%
2/13/2026The Manufacturers Life Insurance Company 26,988$326K0.0%+13.4%0.025%
2/13/2026Alpha Wave Global LP317,678$3.84M0.5%-2.9%0.289%
2/13/2026Rafferty Asset Management LLC17,673$213K0.0%N/A0.016%
2/13/2026Headlands Technologies LLC30,543$369K0.0%N/A0.028%
2/13/2026Charles Schwab Investment Management Inc.712,990$8.61M0.0%+10.5%0.649%
2/13/2026Police & Firemen s Retirement System of New Jersey23,752$287K0.0%+23.3%0.022%
2/13/2026State Street Corp2,069,884$25.00M0.0%+27.7%1.885%
2/13/2026Caitong International Asset Management Co. Ltd4,454$54K0.1%+1,116.9%0.004%
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC98,838$1.19M0.0%N/A0.090%
2/13/2026Wells Fargo & Company MN146,309$1.77M0.0%+56.2%0.133%
2/12/2026MetLife Investment Management LLC49,654$600K0.0%+15.7%0.045%
2/12/2026Aldebaran Capital LLC198,508$2.40M2.2%-2.9%0.181%
2/12/2026Renaissance Technologies LLC192,500$2.33M0.0%+867.3%0.175%
2/12/2026Dimensional Fund Advisors LP771,248$9.32M0.0%+51.3%0.702%
2/12/2026EntryPoint Capital LLC10,487$127K0.0%-38.9%0.010%
2/12/2026Integrated Quantitative Investments LLC27,234$329K0.1%N/A0.025%
2/12/2026Federated Hermes Inc.457,412$5.53M0.0%+115.4%0.417%
2/12/2026Informed Momentum Co LLC53,256$643K0.1%-29.1%0.048%
2/12/2026Patient Square Capital LP350,000$4.23M0.9%+10.7%0.319%
2/12/2026Campbell & CO Investment Adviser LLC78,763$951K0.0%+221.7%0.072%
2/12/2026Bank of Montreal Can138,525$1.67M0.0%-3.6%0.126%
2/12/2026Alps Advisors Inc.90,172$1.09M0.0%N/A0.082%
2/12/2026Swiss National Bank161,700$1.95M0.0%N/A0.147%
2/12/2026Nuveen LLC283,948$3.43M0.0%+77.0%0.259%
2/11/2026Meeder Asset Management Inc.2,099$25K0.0%N/A0.002%
2/11/2026Deutsche Bank AG1,333,236$16.11M0.0%-2.4%1.214%
2/11/2026Fox Run Management L.L.C.35,409$428K0.1%N/A0.032%
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2/11/2026Franklin Resources Inc.1,200,096$14.50M0.0%N/A1.093%
2/10/2026Goldman Sachs Group Inc.2,613,221$31.57M0.0%+30.0%2.380%
2/10/2026Jupiter Asset Management Ltd.15,574$188K0.0%N/A0.014%
2/10/2026Intech Investment Management LLC32,006$387K0.0%+64.2%0.029%
2/9/2026Geode Capital Management LLC2,165,534$26.16M0.0%+19.5%1.972%
2/6/2026PSP Research LLC44,223$534K0.5%N/A0.040%
2/6/2026ProShare Advisors LLC21,068$255K0.0%+40.1%0.019%
2/4/2026Valeo Financial Advisors LLC15,000$181K0.0%+50.0%0.014%
1/29/2026UBS Group AG543,323$6.56M0.0%-61.3%0.495%
1/29/2026Vanguard Group Inc.5,804,912$70.12M0.0%+10.1%5.286%


AMLX Institutional Ownership - Frequently Asked Questions

During the previous two years, 177 institutional investors and hedge funds held shares of Amylyx Pharmaceuticals. The most heavily invested institutionals were Perceptive Advisors LLC ($100.08M), TCG Crossover Management LLC ($84.85M), Vanguard Group Inc. ($70.12M), Janus Henderson Group PLC ($69.26M), Commodore Capital LP ($68.25M), First Light Asset Management LLC ($44.35M), and Adage Capital Partners GP L.L.C. ($33.55M).Learn more on Amylyx Pharmaceuticals' institutional investors.

95.84% of Amylyx Pharmaceuticals' stock is owned by institutional investors. Learn more on AMLX's institutional investor holdings.

Of the 152 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: Adage Capital Partners GP L.L.C. ($8.80M), Commodore Capital LP ($5.65M), First Light Asset Management LLC ($3.36M), AQR Capital Management LLC ($3.22M), Millennium Management LLC ($2.63M), Janus Henderson Group PLC ($2.45M), and Almitas Capital LLC ($2.04M).

Institutional investors have bought a total of 35,423,686 shares in the last 24 months. This purchase volume represents approximately $418.45M in transactions.

Of the 54 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: Adage Capital Partners GP L.L.C. ($4.04M), Nantahala Capital Management LLC ($2.10M), Aberdeen Group plc ($1.69M), Millennium Management LLC ($1.47M), T. Rowe Price Investment Management Inc. ($1.19M), UBS Group AG ($861.15K), and Qube Research & Technologies Ltd ($775.79K).

Institutional investors have sold a total of 19,121,056 shares in the last 24 months. This volume of shares sold represents approximately $221.81M in transactions.



This page (NASDAQ:AMLX) was last updated on 7/3/2026 by MarketBeat.com Staff.
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