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 2023
Institutional positions in Amylyx Pharmaceuticals, Inc. as of Jun 30, 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
- 154
- +8 vs. Q1 2023
- Shares held
- 54.5M
- +3.18M (+6.2%) vs. Q1 2023
- Total value
- $1.18B
- −$330.2M (−21.9%) vs. Q1 2023
- New holders
- 29
- 66 more added
- Sold out
- 21
- 43 more reduced
1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Amylyx Pharmaceuticals, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of America Corp | 117,211 | $2.53M | 0.00% | +48,887+71.6% | Added |
| Soleus Capital Management, L.P. | 120,000 | $2.59M | 0.29% | +56,786+89.8% | Added |
| Qube Research & Technologies Ltd | 124,180 | $2.68M | 0.01% | +92,455+291.4% | Added |
| Ameriprise Financial Inc | 130,172 | $2.81M | 0.00% | −82,281−38.7% | Reduced |
| Jump Financial, LLC | 141,447 | $3.05M | 0.11% | +141,447 | New |
| Twinbeech Capital LP | 156,048 | $3.37M | 0.07% | +24,276+18.4% | Added |
| Bank of New York Mellon Corp | 163,881 | $3.53M | 0.00% | −40,775−19.9% | Reduced |
| Nantahala Capital Management, LLC | 164,500 | $3.55M | 0.43% | +164,500 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 167,130 | $3.60M | 0.02% | +167,130 | New |
| Altium Capital Management LP | 185,000 | $3.99M | 3.12% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 190,296 | $4.10M | 0.00% | +88,596+87.1% | Added |
| Deutsche Bank AG | 191,611 | $4.13M | 0.00% | +160,291+511.8% | Added |
| Schonfeld Strategic Advisors LLC | 210,385 | $4.54M | 0.04% | −74,620−26.2% | Reduced |
| Verition Fund Management LLC | 221,133 | $4.77M | 0.07% | −465−0.2% | Reduced |
| Lord, Abbett & Co. LLC | 244,493 | $5.27M | 0.02% | −5,549−2.2% | Reduced |
| Hudson Bay Capital Management LP | 290,900 | $6.27M | 0.06% | +290,900 | New |
| Alyeska Investment Group, L.P. | 320,157 | $6.91M | 0.05% | +68,750+27.3% | Added |
| Charles Schwab Investment Management Inc | 325,482 | $7.02M | 0.00% | +5,396+1.7% | Added |
| Sectoral Asset Management Inc | 387,310 | $8.35M | 1.39% | +144,910+59.8% | Added |
| FMR LLC | 448,982 | $9.68M | 0.00% | +441,752+6,110.0% | Added |
| GMT Capital Corp | 461,000 | $9.94M | 0.38% | +461,000 | New |
| Jane Street Group, LLC | 473,393 | $10.2M | 0.01% | +208,535+78.7% | Added |
| Northern Trust Corp | 485,418 | $10.5M | 0.00% | +21,538+4.6% | Added |
| ExodusPoint Capital Management, LP | 513,091 | $11.1M | 0.13% | +119,187+30.3% | Added |
| Ghost Tree Capital, LLC | 550,000 | $11.9M | 4.28% | +75,000+15.8% | Added |
| Nuveen Asset Management, LLC | 553,074 | $11.9M | 0.00% | −58,858−9.6% | Reduced |
| Pictet Asset Management SA | 601,646 | $13.0M | 0.02% | −832,200−58.0% | Reduced |
| Emerald Mutual Fund Advisers Trust | 680,035 | $14.7M | 0.80% | −109,556−13.9% | Reduced |
| Adage Capital Partners GP, L.L.C. | 768,200 | $16.6M | 0.04% | −239,136−23.7% | Reduced |
| Citadel Advisors LLC | 813,325 | $17.5M | 0.02% | +584,419+255.3% | Added |
| Emerald Advisers, LLC | 831,808 | $17.9M | 0.79% | −141,027−14.5% | Reduced |
| Falcon Edge Capital, LP | 853,262 | $18.4M | 12.06% | −77,075−8.3% | Reduced |
| Woodline Partners LP | 899,300 | $19.4M | 0.23% | +465,100+107.1% | Added |
| Avidity Partners Management LP | 901,400 | $19.4M | 0.68% | +1,400+0.2% | Added |
| Voya Investment Management LLC | 937,540 | $20.2M | 0.02% | +318,510+51.5% | Added |
| Geode Capital Management, LLC | 937,997 | $20.2M | 0.00% | +47,015+5.3% | Added |
| Great Point Partners LLC | 968,795 | $20.9M | 4.19% | +185,000+23.6% | Added |
| Deerfield Management Company, L.P. (Series C) | 1,050,198 | $22.7M | 0.48% | −934,135−47.1% | Reduced |
| Morgan Stanley | 1,051,846 | $22.7M | 0.00% | +149,299+16.5% | Added |
| Eventide Asset Management, LLC | 1,116,837 | $24.1M | 0.41% | +658,783+143.8% | Added |
| Stonepine Capital Management, LLC | 1,121,028 | $24.2M | 8.72% | +1,121,028 | New |
| State Street Corp | 1,157,699 | $25.0M | 0.00% | +91,461+8.6% | Added |
| Balyasny Asset Management LLC | 1,173,853 | $25.3M | 0.07% | +753,012+178.9% | Added |
| Goldman Sachs Group Inc | 1,350,478 | $29.1M | 0.01% | −15,694−1.1% | Reduced |
| Federated Hermes, Inc. | 1,529,000 | $33.0M | 0.08% | −317,117−17.2% | Reduced |
| Rock Springs Capital Management LP | 1,544,616 | $33.3M | 0.79% | +91,800+6.3% | Added |
| D. E. Shaw & Co., Inc. | 1,590,044 | $34.3M | 0.05% | −432,326−21.4% | Reduced |
| Millennium Management LLC | 1,921,631 | $41.4M | 0.04% | +847,021+78.8% | Added |
| Marshall Wace, LLP | 1,980,180 | $42.7M | 0.09% | +840,940+73.8% | Added |
| Boxer Capital, LLC | 2,084,000 | $45.0M | 2.08% | 00.0% | Unchanged |
| Viking Global Investors LPSuperinvestorViking Global Investors | 2,962,555 | $63.9M | 0.26% | 00.0% | Unchanged |
| BlackRock Inc. | 3,505,285 | $75.6M | 0.00% | −109,633−3.0% | Reduced |
| Perceptive Advisors LLC | 4,873,919 | $105.1M | 3.05% | −1,160,725−19.2% | Reduced |
| Vanguard Group Inc | 4,925,892 | $106.3M | 0.00% | +178,551+3.8% | Added |
| OrbiMed Advisors LLC | 0 | $0 | 0.00% | −813,500−100.0% | Sold out |
| Avoro Capital Advisors LLC | 0 | $0 | 0.00% | −473,100−100.0% | Sold out |
| Maven Securities LTD | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −69,665−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −30,857−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −30,053−100.0% | Sold out |
| Pentwater Capital Management LP | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −14,751−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −12,300−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −10,600−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −10,150−100.0% | Sold out |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Boulder Hill Capital Management LP | 0 | $0 | 0.00% | −9,400−100.0% | Sold out |
| Artia Global Partners LP | 0 | $0 | 0.00% | −8,339−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −4,859−100.0% | Sold out |
| Values First Advisors, Inc. | 0 | $0 | 0.00% | −1,733−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| TCI Wealth Advisors, Inc. | 0 | $0 | 0.00% | −142−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Ellevest, Inc. | 0 | $0 | 0.00% | −32−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Kula Investments, LLC | – | – | – | – | Not filed |