Amylyx Pharmaceuticals, Inc.
AMLX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001658551
In the last 90 days, Amylyx Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 6 sales; 206 institutions reported holding it in 13F filings for Q2 2026, worth $2.07B in total; no superinvestor holds it.
13F holders, Q2 2024
Institutional positions in Amylyx Pharmaceuticals, Inc. as of Jun 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 119
- −21 vs. Q1 2024
- Shares held
- 43.6M
- −5.84M (−11.8%) vs. Q1 2024
- Total value
- $82.9M
- −$58.4M (−41.3%) vs. Q1 2024
- New holders
- 32
- 29 more added
- Sold out
- 53
- 44 more reduced
3 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMLX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 206 | $2.07B |
| Q1 2026 | 171 | $1.59B |
| Q4 2025 | 180 | $1.36B |
| Q3 2025 | 169 | $1.49B |
| Q2 2025 | 131 | $523.6M |
| Q1 2025 | 136 | $261.6M |
| Q4 2024 | 122 | $188.3M |
| Q3 2024 | 110 | $140.8M |
| Q2 2024 | 119 | $82.9M |
| Q1 2024 | 143 | $141.5M |
| Q4 2023 | 178 | $887.4M |
| Q3 2023 | 170 | $1.08B |
| Q2 2023 | 154 | $1.18B |
| Q1 2023 | 147 | $1.51B |
| Q4 2022 | 133 | $1.79B |
| Q3 2022 | 95 | $1.05B |
| Q2 2022 | 78 | $512.9M |
| Q1 2022 | 72 | $299.9M |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2024
Shares, value and share of portfolio for each institution holding Amylyx Pharmaceuticals, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Citigroup Inc | 663,376 | $1.26M | 0.00% | −251,351−27.5% | Reduced |
| Qube Research & Technologies Ltd | 789,127 | $1.50M | 0.00% | −154,936−16.4% | Reduced |
| Renaissance Technologies LLC | 811,488 | $1.54M | 0.00% | +106,888+15.2% | Added |
| Morgan Stanley | 924,459 | $1.76M | 0.00% | −1,146,194−55.4% | Reduced |
| Farallon Capital Management, L.L.C. | 1,150,221 | $2.19M | 0.01% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 1,154,200 | $2.19M | 0.00% | +355,300+44.5% | Added |
| Acadian Asset Management LLC | 1,211,617 | $2.30M | 0.01% | +1,211,617 | New |
| Two Sigma Investments, LP | 1,297,838 | $2.47M | 0.01% | −135,027−9.4% | Reduced |
| D. E. Shaw & Co., Inc. | 1,308,181 | $2.49M | 0.00% | +265,598+25.5% | Added |
| Citadel Advisors LLC | 1,344,818 | $2.56M | 0.00% | +14,434+1.1% | Added |
| Boxer Capital, LLC | 1,500,000 | $2.85M | 0.15% | 00.0% | Unchanged |
| 683 Capital Management, LLC | 1,501,871 | $2.85M | 0.30% | +1,501,871 | New |
| Millennium Management LLC | 1,535,178 | $2.92M | 0.00% | −936,277−37.9% | Reduced |
| Alyeska Investment Group, L.P. | 1,823,420 | $3.46M | 0.02% | +814,813+80.8% | Added |
| Almitas Capital LLC | 1,903,851 | $3.62M | 1.50% | +1,903,851 | New |
| Goldman Sachs Group Inc | 2,610,420 | $4.96M | 0.00% | −332,766−11.3% | Reduced |
| BlackRock Inc. | 2,669,741 | $5.07M | 0.00% | −1,804,981−40.3% | Reduced |
| AQR Capital Management LLC | 3,340,943 | $6.35M | 0.01% | +3,224,454+2,768.0% | Added |
| Vanguard Group Inc | 4,223,968 | $8.03M | 0.00% | −1,124,171−21.0% | Reduced |
| Franklin Resources Inc | 0 | $0 | 0.00% | −1,855,886−100.0% | Sold out |
| Rock Springs Capital Management LP | 0 | $0 | 0.00% | −1,011,412−100.0% | Sold out |
| Silverarc Capital Management, LLC | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Perceptive Advisors LLC | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −299,452−100.0% | Sold out |
| Bank of New York Mellon Corp | 0 | $0 | 0.00% | −198,029−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −189,796−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −170,000−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −166,896−100.0% | Sold out |
| Nuveen Asset Management, LLC | 0 | $0 | 0.00% | −137,973−100.0% | Sold out |
| TD Asset Management Inc | 0 | $0 | 0.00% | −131,200−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −119,676−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −95,570−100.0% | Sold out |
| Swiss National Bank | 0 | $0 | 0.00% | −86,600−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −8,310−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −80,084−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −79,652−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −73,130−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −64,969−100.0% | Sold out |
| Rafferty Asset Management, LLC | 0 | $0 | 0.00% | −53,201−100.0% | Sold out |
| Alliancebernstein L.P. | 0 | $0 | 0.00% | −51,542−100.0% | Sold out |
| California State Teachers Retirement System | 0 | $0 | 0.00% | −44,561−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −33,933−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −33,604−100.0% | Sold out |
| Legal & General Group Plc | 0 | $0 | 0.00% | −32,854−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −29,403−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −25,849−100.0% | Sold out |
| American International Group, Inc. | 0 | $0 | 0.00% | −25,031−100.0% | Sold out |
| Invesco Ltd. | 0 | $0 | 0.00% | −24,349−100.0% | Sold out |
| Parallel Advisors, LLC | 0 | $0 | 0.00% | −21,376−100.0% | Sold out |
| Premier Path Wealth Partners, LLC | 0 | $0 | 0.00% | −20,265−100.0% | Sold out |
| UBS Asset Management Americas Inc | 0 | $0 | 0.00% | −19,700−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −18,141−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −17,357−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −16,500−100.0% | Sold out |
| Handelsbanken Fonder AB | 0 | $0 | 0.00% | −14,700−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −14,717−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −14,666−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −13,768−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −13,514−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −12,753−100.0% | Sold out |
| Arizona State Retirement System | 0 | $0 | 0.00% | −12,061−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −11,571−100.0% | Sold out |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0 | $0 | 0.00% | −10,022−100.0% | Sold out |
| Primecap Management Co | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Ameritas Investment Partners, Inc. | 0 | $0 | 0.00% | −5,046−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −2,899−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −1,726−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −389−100.0% | Sold out |
| Fernwood Investment Management, LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| GAMMA Investing LLC | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Credit Suisse AG | – | – | – | – | Not filed |
| Cipher Capital LP | – | – | – | – | Not filed |
| Cutler Group LP | – | – | – | – | Not filed |