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, Q4 2023
Institutional positions in Amylyx Pharmaceuticals, Inc. as of Dec 31, 2023. 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
- 178
- +9 vs. Q3 2023
- Shares held
- 60.3M
- +1.65M (+2.8%) vs. Q3 2023
- Total value
- $887.4M
- −$186.2M (−17.3%) vs. Q3 2023
- New holders
- 37
- 78 more added
- Sold out
- 28
- 46 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding Amylyx Pharmaceuticals, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Walleye Trading LLC | 35,774 | $526.6K | 0.01% | +35,774 | New |
| Wells Fargo & Company | 34,265 | $504.4K | 0.00% | −11,076−24.4% | Reduced |
| Landscape Capital Management, L.L.C. | 33,689 | $495.9K | 0.04% | +33,689 | New |
| Tudor Investment Corp Et Al | 33,652 | $495.4K | 0.01% | +6,293+23.0% | Added |
| Squarepoint Ops LLC | 33,450 | $492.4K | 0.00% | −6,550−16.4% | Reduced |
| Dynamic Technology Lab Private Ltd | 31,342 | $461.0K | 0.05% | −6,152−16.4% | Reduced |
| Engineers Gate Manager LP | 29,205 | $429.9K | 0.01% | +14,889+104.0% | Added |
| State of Wisconsin Investment Board | 28,454 | $418.8K | 0.00% | +2,759+10.7% | Added |
| Virtu Financial LLC | 27,715 | $408.0K | 0.03% | +27,715 | New |
| MetLife Investment Management | 26,712 | $393.2K | 0.00% | 00.0% | Unchanged |
| HighVista Strategies LLC | 26,349 | $387.9K | 0.14% | 00.0% | Unchanged |
| GTS Securities LLC | 26,311 | $387.3K | 0.01% | +26,311 | New |
| American International Group, Inc. | 25,246 | $371.6K | 0.00% | −102−0.4% | Reduced |
| Profund Advisors LLC | 24,607 | $362.2K | 0.02% | +5,239+27.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 24,357 | $358.5K | 0.00% | +103+0.4% | Added |
| Invesco Ltd. | 23,895 | $351.7K | 0.00% | −5,940−19.9% | Reduced |
| New York State Common Retirement Fund | 23,754 | $349.7K | 0.00% | +2,519+11.9% | Added |
| AQR Capital Management LLC | 23,344 | $343.6K | 0.00% | −295−1.2% | Reduced |
| Virtus ETF Advisers LLC | 22,130 | $325.8K | 0.21% | +9,907+81.1% | Added |
| Fox Run Management, L.L.C. | 22,007 | $323.9K | 0.08% | +5,022+29.6% | Added |
| Parsons Capital Management Inc | 21,945 | $323.0K | 0.02% | 00.0% | Unchanged |
| Premier Path Wealth Partners, LLC | 20,265 | $298.3K | 0.07% | +20,265 | New |
| Voya Investment Management LLC | 20,175 | $297.0K | 0.00% | −1,125,613−98.2% | Reduced |
| Capstone Investment Advisors, LLC | 20,000 | $294.4K | 0.01% | −2,829−12.4% | Reduced |
| UBS Asset Management Americas Inc | 19,700 | $290.0K | 0.00% | −8,100−29.1% | Reduced |
| Balyasny Asset Management LLC | 19,698 | $290.0K | 0.00% | −677,183−97.2% | Reduced |
| Captrust Financial Advisors | 19,561 | $287.9K | 0.00% | −13,469−40.8% | Reduced |
| Centiva Capital, LP | 19,188 | $282.4K | 0.02% | +19,188 | New |
| J. Goldman & Co LP | 19,029 | $280.1K | 0.02% | −165,878−89.7% | Reduced |
| XTX Topco Ltd | 18,913 | $278.4K | 0.06% | +8,814+87.3% | Added |
| Rafferty Asset Management, LLC | 18,320 | $269.7K | 0.00% | +7,028+62.2% | Added |
| STRS Ohio | 17,500 | $257.0K | 0.00% | +17,500 | New |
| Greenwood Capital Associates LLC | 17,395 | $256.1K | 0.03% | +43+0.2% | Added |
| First Trust Advisors LP | 17,380 | $255.8K | 0.00% | +17,380 | New |
| Royal Bank of Canada | 16,155 | $237.0K | 0.00% | +8,060+99.6% | Added |
| Guggenheim Capital LLC | 14,946 | $220.0K | 0.00% | +14,946 | New |
| Janus Henderson Group PLC | 14,753 | $217.1K | 0.00% | −10.0% | Reduced |
| Teza Capital Management LLC | 14,660 | $215.8K | 0.04% | +2,863+24.3% | Added |
| State Board of Administration of Florida Retirement System | 14,580 | $214.6K | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 14,472 | $213.0K | 0.00% | +126+0.9% | Added |
| Lion Point Capital, LP | 14,000 | $206.1K | 0.18% | +14,000 | New |
| Brown Advisory Inc | 13,461 | $198.1K | 0.00% | 00.0% | Unchanged |
| Jump Financial, LLC | 13,343 | $196.4K | 0.01% | −9,497−41.6% | Reduced |
| Belvedere Trading LLC | 13,213 | $194.5K | 0.02% | +13,213 | New |
| CWM, LLC | 13,203 | $194.0K | 0.00% | +34+0.3% | Added |
| ProShare Advisors LLC | 12,721 | $187.3K | 0.00% | +1,715+15.6% | Added |
| Tower Research Capital LLC (TRC) | 12,314 | $181.3K | 0.00% | +8,343+210.1% | Added |
| Handelsbanken Fonder AB | 11,900 | $175.0K | 0.00% | +11,900 | New |
| Arizona State Retirement System | 11,302 | $166.4K | 0.00% | +11,302 | New |
| Integrated Wealth Concepts LLC | 10,641 | $156.6K | 0.00% | +285+2.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 10,389 | $152.9K | 0.00% | +4,255+69.4% | Added |
| Point72 Middle East FZE | 9,141 | $134.6K | 0.01% | −14,233−60.9% | Reduced |
| Advisors Asset Management, Inc. | 8,623 | $126.9K | 0.00% | −20−0.2% | Reduced |
| China Universal Asset Management Co., Ltd. | 7,815 | $115.0K | 0.02% | +6,085+351.7% | Added |
| Amalgamated Bank | 7,204 | $106.0K | 0.00% | −513−6.6% | Reduced |
| Quest Partners LLC | 6,035 | $88.8K | 0.02% | +6,035 | New |
| Point72 Hong Kong Ltd | 5,100 | $75.1K | 0.00% | +5,100 | New |
| Ameritas Investment Partners, Inc. | 5,046 | $74.3K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 3,726 | $55.0K | 0.04% | +3,722+93,050.0% | Added |
| Advisor Group Holdings, Inc. | 3,150 | $46.4K | 0.00% | −22,514−87.7% | Reduced |
| Metropolitan Life Insurance Co | 2,899 | $42.7K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 2,837 | $41.8K | 0.00% | −1,646−36.7% | Reduced |
| Steward Partners Investment Advisory, LLC | 2,000 | $29.4K | 0.00% | −200−9.1% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 1,803 | $28.8K | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 900 | $13.0K | 0.00% | +850+1,700.0% | Added |
| Quarry LP | 750 | $11.0K | 0.01% | −4,250−85.0% | Reduced |
| Daiwa Securities Group Inc. | 266 | $4.00K | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 290 | $4.00K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 200 | $3.10K | 0.00% | +200 | New |
| The PNC Financial Services Group, Inc. | 196 | $2.88K | 0.00% | +196 | New |
| Colonial Trust Co | 86 | $1.27K | 0.00% | 00.0% | Unchanged |
| Psagot Value Holdings Ltd. / (Israel) | 95 | $1.00K | 0.00% | −22−18.8% | Reduced |
| Salem Investment Counselors Inc | 55 | $810 | 0.00% | +55 | New |
| GAMMA Investing LLC | 35 | $560 | 0.00% | +35 | New |
| Nisa Investment Advisors, LLC | 34 | $500 | 0.00% | +18+112.5% | Added |
| Kelly Financial Services LLC | 33 | $486 | 0.00% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 29 | $426 | 0.00% | −14,158−99.8% | Reduced |
| Farther Finance Advisors, LLC | 27 | $397 | 0.00% | +27 | New |
| Boxer Capital, LLC | 0 | $0 | 0.00% | −2,084,000−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −1,700,200−100.0% | Sold out |
| Deep Track Capital, LP | 0 | $0 | 0.00% | −1,259,335−100.0% | Sold out |
| Samlyn Capital, LLC | 0 | $0 | 0.00% | −1,164,897−100.0% | Sold out |
| Octagon Capital Advisors LP | 0 | $0 | 0.00% | −695,000−100.0% | Sold out |
| Gilder Gagnon Howe & Co LLC | 0 | $0 | 0.00% | −688,438−100.0% | Sold out |
| Tri Locum Partners LP | 0 | $0 | 0.00% | −282,862−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −267,694−100.0% | Sold out |
| Ghost Tree Capital, LLC | 0 | $0 | 0.00% | −215,000−100.0% | Sold out |
| Oberweis Asset Management Inc | 0 | $0 | 0.00% | −170,000−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −137,523−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −129,918−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −120,157−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −65,863−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −56,241−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −47,078−100.0% | Sold out |
| Putnam Investments LLC | 0 | $0 | 0.00% | −46,460−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −35,000−100.0% | Sold out |
| Jackson Creek Investment Advisors LLC | 0 | $0 | 0.00% | −27,193−100.0% | Sold out |
| Axxcess Wealth Management, LLC | 0 | $0 | 0.00% | −26,151−100.0% | Sold out |
| Knoll Capital Management, LLC | 0 | $0 | 0.00% | −24,772−100.0% | Sold out |
| Millrace Asset Group, Inc. | 0 | $0 | 0.00% | −19,496−100.0% | Sold out |