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 2026
Institutional positions in Amylyx Pharmaceuticals, Inc. as of Jun 30, 2026. 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
- 206
- +37 vs. Q1 2026
- Shares held
- 115.0M
- +5.82M (+5.3%) vs. Q1 2026
- Total value
- $2.07B
- +$549.0M (+36.2%) vs. Q1 2026
- New holders
- 50
- 71 more added
- Sold out
- 13
- 60 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Amylyx Pharmaceuticals, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mirae Asset Global ETFs Holdings Ltd. | 42,351 | $760.6K | 0.00% | −202−0.5% | Reduced |
| Aquatic Capital Management LLC | 39,425 | $708.1K | 0.02% | +39,425 | New |
| Gsa Capital Partners LLP | 39,241 | $705.0K | 0.04% | +39,241 | New |
| Manufacturers Life Insurance Company, The | 37,828 | $679.4K | 0.00% | −953−2.5% | Reduced |
| Boothbay Fund Management, LLC | 36,060 | $647.6K | 0.01% | +36,060 | New |
| Jennison Associates LLC | 35,841 | $643.7K | 0.00% | +35,841 | New |
| Tudor Investment Corp Et Al | 35,410 | $636.0K | 0.00% | +4,076+13.0% | Added |
| New York State Common Retirement Fund | 34,300 | $616.0K | 0.00% | +12,400+56.6% | Added |
| Optimize Financial Inc | 31,890 | $572.7K | 0.21% | −111−0.3% | Reduced |
| Sound Capital Solutions LLC | 31,890 | $572.7K | 0.13% | +31,890 | New |
| Jain Global LLC | 28,770 | $516.7K | 0.01% | +28,770 | New |
| Numerai GP LLC | 28,665 | $514.8K | 0.04% | −19,888−41.0% | Reduced |
| Canada Pension Plan Investment Board | 27,600 | $495.7K | 0.00% | +27,600 | New |
| Police & Firemen's Retirement System of New Jersey | 27,123 | $487.1K | 0.00% | +3,371+14.2% | Added |
| Jump Financial, LLC | 26,891 | $483.0K | 0.00% | +26,891 | New |
| XTX Topco Ltd | 25,864 | $464.5K | 0.01% | +25,864 | New |
| Guggenheim Capital LLC | 25,387 | $456.0K | 0.00% | −126−0.5% | Reduced |
| Maven Securities LTD | 25,000 | $449.0K | 0.03% | −25,000−50.0% | Reduced |
| HRT Financial LP | 23,870 | $428.0K | 0.00% | +23,870 | New |
| State of New Jersey Common Pension Fund D | 23,232 | $417.2K | 0.00% | +713+3.2% | Added |
| Martingale Asset Management L P | 22,573 | $405.4K | 0.01% | +22,573 | New |
| Virtus Investment Advisers, Inc. | 22,426 | $402.8K | 0.09% | +1,611+7.7% | Added |
| Parsons Capital Management Inc | 21,645 | $388.7K | 0.02% | 00.0% | Unchanged |
| AQR Capital Management LLC | 20,819 | $373.9K | 0.00% | −8,270−28.4% | Reduced |
| Profund Advisors LLC | 20,710 | $372.0K | 0.01% | +3,558+20.7% | Added |
| Brown Advisory Inc | 19,930 | $357.9K | 0.00% | 00.0% | Unchanged |
| JustInvest LLC | 19,880 | $357.0K | 0.00% | −4,192−17.4% | Reduced |
| Arizona State Retirement System | 19,825 | $356.1K | 0.00% | +1,726+9.5% | Added |
| Intech Investment Management LLC | 19,775 | $355.2K | 0.00% | −5,146−20.6% | Reduced |
| SEI Investments Co | 19,750 | $354.7K | 0.00% | −65,529−76.8% | Reduced |
| Premier Path Wealth Partners, LLC | 18,265 | $328.0K | 0.04% | −2,000−9.9% | Reduced |
| Voya Investment Management LLC | 17,847 | $320.5K | 0.00% | +2,620+17.2% | Added |
| Vanguard Investments Australia, Ltd. | 17,713 | $318.1K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 17,695 | $317.8K | 0.02% | −1,793−9.2% | Reduced |
| KLP Kapitalforvaltning AS | 17,400 | $312.5K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 16,956 | $304.5K | 0.00% | −23,834−58.4% | Reduced |
| BNP Paribas Arbitrage, SA | 16,577 | $297.7K | 0.00% | −4,563−21.6% | Reduced |
| Creative Planning | 15,881 | $285.2K | 0.00% | −2,002−11.2% | Reduced |
| ProShare Advisors LLC | 15,685 | $281.7K | 0.00% | −2,469−13.6% | Reduced |
| Prudential Financial Inc | 15,110 | $271.4K | 0.00% | +990+7.0% | Added |
| HSBC Holdings PLC | 14,554 | $269.0K | 0.00% | +3,140+27.5% | Added |
| Rafferty Asset Management, LLC | 14,758 | $265.1K | 0.00% | +14,758 | New |
| Royal Bank of Canada | 14,649 | $263.0K | 0.00% | +2,266+18.3% | Added |
| Seven Fleet Capital Management LP | 14,540 | $261.1K | 0.04% | −2,131−12.8% | Reduced |
| STRS Ohio | 14,000 | $251.4K | 0.00% | +10,600+311.8% | Added |
| Glenmede Trust Co NA | 13,685 | $245.8K | 0.00% | +13,685 | New |
| Amundi | 12,895 | $231.6K | 0.00% | 00.0% | Unchanged |
| Great Lakes Advisors, LLC | 12,807 | $230.0K | 0.00% | +2,427+23.4% | Added |
| Graham Capital Management, L.P. | 12,364 | $222.1K | 0.01% | +12,364 | New |
| Magnetar Financial LLC | 11,722 | $210.5K | 0.00% | +11,722 | New |
| Brevan Howard Capital Management LP | 11,611 | $208.5K | 0.00% | +11,611 | New |
| PSP Research LLC | 10,838 | $194.7K | 0.10% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 10,768 | $193.4K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 10,707 | $192.3K | 0.00% | +63+0.6% | Added |
| Susquehanna International Group, LLP | 10,339 | $185.7K | 0.00% | −29,463−74.0% | Reduced |
| Harvest Investment Services, LLC | 10,214 | $183.4K | 0.03% | +10,214 | New |
| Valeo Financial Advisors, LLC | 10,045 | $180.4K | 0.00% | +45+0.4% | Added |
| Ameritas Investment Partners, Inc. | 8,346 | $149.9K | 0.00% | +1,143+15.9% | Added |
| Tower Research Capital LLC (TRC) | 7,934 | $142.5K | 0.00% | +21+0.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 4,973 | $89.3K | 0.00% | −755−13.2% | Reduced |
| Fulcrum Asset Management LLP | 4,400 | $82.3K | 0.01% | +4,400 | New |
| US Bancorp | 3,639 | $65.4K | 0.00% | +1,576+76.4% | Added |
| GF Fund Management Co. Ltd. | 2,326 | $41.8K | 0.00% | −129−5.3% | Reduced |
| SRS Capital Advisors, Inc. | 2,235 | $40.1K | 0.00% | +741+49.6% | Added |
| State of Wyoming | 2,223 | $39.9K | 0.00% | +340+18.1% | Added |
| KBC Group NV | 1,863 | $33.0K | 0.00% | 00.0% | Unchanged |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 1,803 | $32.4K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 1,624 | $29.2K | 0.00% | +1,624 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,351 | $24.3K | 0.00% | −67−4.7% | Reduced |
| Rockefeller Capital Management L.P. | 1,274 | $22.9K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,163 | $20.9K | 0.00% | +241+26.1% | Added |
| Steward Partners Investment Advisory, LLC | 1,000 | $18.0K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 972 | $17.5K | 0.00% | +217+28.7% | Added |
| Kemnay Advisory Services Inc. | 928 | $16.7K | 0.00% | +928 | New |
| Westfuller Advisors, LLC | 819 | $14.7K | 0.01% | 00.0% | Unchanged |
| Eastern Bank | 721 | $12.9K | 0.00% | +521+260.5% | Added |
| Strive Financial Group ,LLC | 650 | $11.7K | 0.01% | +650 | New |
| Jones Financial Companies LLLP | 597 | $10.6K | 0.00% | +327+121.1% | Added |
| Advisor Group Holdings, Inc. | 483 | $8.67K | 0.00% | −45−8.5% | Reduced |
| GAMMA Investing LLC | 433 | $7.78K | 0.00% | +16+3.8% | Added |
| Silver Grove Financial Group, Inc. | 424 | $7.62K | 0.00% | +424 | New |
| Massmutual Trust Co FSB | 420 | $7.54K | 0.00% | +138+48.9% | Added |
| The PNC Financial Services Group, Inc. | 406 | $7.29K | 0.00% | +123+43.5% | Added |
| Aster Capital Management (DIFC) Ltd | 393 | $7.06K | 0.00% | +393 | New |
| EverSource Wealth Advisors, LLC | 350 | $6.29K | 0.00% | +324+1,246.2% | Added |
| Los Angeles Capital Management LLC | 325 | $5.84K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 323 | $5.80K | 0.00% | −814−71.6% | Reduced |
| J.Safra Asset Management Corp | 315 | $5.66K | 0.00% | −62−16.4% | Reduced |
| UMA Financial Services, Inc. | 274 | $4.92K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 259 | $4.65K | 0.00% | +237+1,077.3% | Added |
| Optiver Holding B.V. | 220 | $3.95K | 0.00% | +220 | New |
| Picton Mahoney Asset Management | 189 | $3.39K | 0.00% | +189 | New |
| Caption Management, LLC | 174 | $3.13K | 0.00% | +174 | New |
| Larson Financial Group LLC | 142 | $2.55K | 0.00% | −59−29.4% | Reduced |
| Quarry LP | 139 | $2.50K | 0.00% | +139 | New |
| Signaturefd, LLC | 93 | $1.67K | 0.00% | −161−63.4% | Reduced |
| Harbour Investments, Inc. | 90 | $1.62K | 0.00% | 00.0% | Unchanged |
| Catherine Avery Investment Management LLC | 87 | $1.56K | 0.00% | +87 | New |
| Covestor Ltd | 33 | $1.00K | 0.00% | +24+266.7% | Added |
| Rothschild Investment LLC | 55 | $988 | 0.00% | 00.0% | Unchanged |