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 |
|---|---|---|---|---|---|
| SBI Securities Co., Ltd. | 1 | $18 | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 14 | $251 | 0.00% | +14 | New |
| Essential Partners LLC | 15 | $269 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 26 | $467 | 0.00% | −14−35.0% | Reduced |
| Caitong International Asset Management Co., Ltd | 28 | $503 | 0.00% | −8−22.2% | Reduced |
| Rothschild Investment LLC | 55 | $988 | 0.00% | 00.0% | Unchanged |
| Salem Investment Counselors Inc | 55 | $988 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 33 | $1.00K | 0.00% | +24+266.7% | Added |
| Catherine Avery Investment Management LLC | 87 | $1.56K | 0.00% | +87 | New |
| Harbour Investments, Inc. | 90 | $1.62K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 93 | $1.67K | 0.00% | −161−63.4% | Reduced |
| Quarry LP | 139 | $2.50K | 0.00% | +139 | New |
| Larson Financial Group LLC | 142 | $2.55K | 0.00% | −59−29.4% | Reduced |
| Caption Management, LLC | 174 | $3.13K | 0.00% | +174 | New |
| Picton Mahoney Asset Management | 189 | $3.39K | 0.00% | +189 | New |
| Optiver Holding B.V. | 220 | $3.95K | 0.00% | +220 | New |
| Farther Finance Advisors, LLC | 259 | $4.65K | 0.00% | +237+1,077.3% | Added |
| UMA Financial Services, Inc. | 274 | $4.92K | 0.00% | 00.0% | Unchanged |
| J.Safra Asset Management Corp | 315 | $5.66K | 0.00% | −62−16.4% | Reduced |
| Sterling Capital Management LLC | 323 | $5.80K | 0.00% | −814−71.6% | Reduced |
| Los Angeles Capital Management LLC | 325 | $5.84K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 350 | $6.29K | 0.00% | +324+1,246.2% | Added |
| Aster Capital Management (DIFC) Ltd | 393 | $7.06K | 0.00% | +393 | New |
| The PNC Financial Services Group, Inc. | 406 | $7.29K | 0.00% | +123+43.5% | Added |
| Massmutual Trust Co FSB | 420 | $7.54K | 0.00% | +138+48.9% | Added |
| Silver Grove Financial Group, Inc. | 424 | $7.62K | 0.00% | +424 | New |
| GAMMA Investing LLC | 433 | $7.78K | 0.00% | +16+3.8% | Added |
| Advisor Group Holdings, Inc. | 483 | $8.67K | 0.00% | −45−8.5% | Reduced |
| Jones Financial Companies LLLP | 597 | $10.6K | 0.00% | +327+121.1% | Added |
| Strive Financial Group ,LLC | 650 | $11.7K | 0.01% | +650 | New |
| Eastern Bank | 721 | $12.9K | 0.00% | +521+260.5% | Added |
| Westfuller Advisors, LLC | 819 | $14.7K | 0.01% | 00.0% | Unchanged |
| Kemnay Advisory Services Inc. | 928 | $16.7K | 0.00% | +928 | New |
| Fifth Third Bancorp | 972 | $17.5K | 0.00% | +217+28.7% | Added |
| Steward Partners Investment Advisory, LLC | 1,000 | $18.0K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,163 | $20.9K | 0.00% | +241+26.1% | Added |
| Rockefeller Capital Management L.P. | 1,274 | $22.9K | 0.00% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,351 | $24.3K | 0.00% | −67−4.7% | Reduced |
| Group One Trading, L.P. | 1,624 | $29.2K | 0.00% | +1,624 | New |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 1,803 | $32.4K | 0.00% | 00.0% | Unchanged |
| KBC Group NV | 1,863 | $33.0K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 2,223 | $39.9K | 0.00% | +340+18.1% | Added |
| SRS Capital Advisors, Inc. | 2,235 | $40.1K | 0.00% | +741+49.6% | Added |
| GF Fund Management Co. Ltd. | 2,326 | $41.8K | 0.00% | −129−5.3% | Reduced |
| US Bancorp | 3,639 | $65.4K | 0.00% | +1,576+76.4% | Added |
| Fulcrum Asset Management LLP | 4,400 | $82.3K | 0.01% | +4,400 | New |
| Mirae Asset Global Investments Co., Ltd. | 4,973 | $89.3K | 0.00% | −755−13.2% | Reduced |
| Tower Research Capital LLC (TRC) | 7,934 | $142.5K | 0.00% | +21+0.3% | Added |
| Ameritas Investment Partners, Inc. | 8,346 | $149.9K | 0.00% | +1,143+15.9% | Added |
| Valeo Financial Advisors, LLC | 10,045 | $180.4K | 0.00% | +45+0.4% | Added |
| Harvest Investment Services, LLC | 10,214 | $183.4K | 0.03% | +10,214 | New |
| Susquehanna International Group, LLP | 10,339 | $185.7K | 0.00% | −29,463−74.0% | Reduced |
| Victory Capital Management Inc | 10,707 | $192.3K | 0.00% | +63+0.6% | Added |
| Pictet Asset Management Holding SA | 10,768 | $193.4K | 0.00% | 00.0% | Unchanged |
| PSP Research LLC | 10,838 | $194.7K | 0.10% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 11,611 | $208.5K | 0.00% | +11,611 | New |
| Magnetar Financial LLC | 11,722 | $210.5K | 0.00% | +11,722 | New |
| Graham Capital Management, L.P. | 12,364 | $222.1K | 0.01% | +12,364 | New |
| Great Lakes Advisors, LLC | 12,807 | $230.0K | 0.00% | +2,427+23.4% | Added |
| Amundi | 12,895 | $231.6K | 0.00% | 00.0% | Unchanged |
| Glenmede Trust Co NA | 13,685 | $245.8K | 0.00% | +13,685 | New |
| STRS Ohio | 14,000 | $251.4K | 0.00% | +10,600+311.8% | Added |
| Seven Fleet Capital Management LP | 14,540 | $261.1K | 0.04% | −2,131−12.8% | Reduced |
| Royal Bank of Canada | 14,649 | $263.0K | 0.00% | +2,266+18.3% | Added |
| Rafferty Asset Management, LLC | 14,758 | $265.1K | 0.00% | +14,758 | New |
| HSBC Holdings PLC | 14,554 | $269.0K | 0.00% | +3,140+27.5% | Added |
| Prudential Financial Inc | 15,110 | $271.4K | 0.00% | +990+7.0% | Added |
| ProShare Advisors LLC | 15,685 | $281.7K | 0.00% | −2,469−13.6% | Reduced |
| Creative Planning | 15,881 | $285.2K | 0.00% | −2,002−11.2% | Reduced |
| BNP Paribas Arbitrage, SA | 16,577 | $297.7K | 0.00% | −4,563−21.6% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 16,956 | $304.5K | 0.00% | −23,834−58.4% | Reduced |
| KLP Kapitalforvaltning AS | 17,400 | $312.5K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 17,695 | $317.8K | 0.02% | −1,793−9.2% | Reduced |
| Vanguard Investments Australia, Ltd. | 17,713 | $318.1K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 17,847 | $320.5K | 0.00% | +2,620+17.2% | Added |
| Premier Path Wealth Partners, LLC | 18,265 | $328.0K | 0.04% | −2,000−9.9% | Reduced |
| SEI Investments Co | 19,750 | $354.7K | 0.00% | −65,529−76.8% | Reduced |
| Intech Investment Management LLC | 19,775 | $355.2K | 0.00% | −5,146−20.6% | Reduced |
| Arizona State Retirement System | 19,825 | $356.1K | 0.00% | +1,726+9.5% | Added |
| JustInvest LLC | 19,880 | $357.0K | 0.00% | −4,192−17.4% | Reduced |
| Brown Advisory Inc | 19,930 | $357.9K | 0.00% | 00.0% | Unchanged |
| Profund Advisors LLC | 20,710 | $372.0K | 0.01% | +3,558+20.7% | Added |
| AQR Capital Management LLC | 20,819 | $373.9K | 0.00% | −8,270−28.4% | Reduced |
| Parsons Capital Management Inc | 21,645 | $388.7K | 0.02% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 22,426 | $402.8K | 0.09% | +1,611+7.7% | Added |
| Martingale Asset Management L P | 22,573 | $405.4K | 0.01% | +22,573 | New |
| State of New Jersey Common Pension Fund D | 23,232 | $417.2K | 0.00% | +713+3.2% | Added |
| HRT Financial LP | 23,870 | $428.0K | 0.00% | +23,870 | New |
| Maven Securities LTD | 25,000 | $449.0K | 0.03% | −25,000−50.0% | Reduced |
| Guggenheim Capital LLC | 25,387 | $456.0K | 0.00% | −126−0.5% | Reduced |
| XTX Topco Ltd | 25,864 | $464.5K | 0.01% | +25,864 | New |
| Jump Financial, LLC | 26,891 | $483.0K | 0.00% | +26,891 | New |
| Police & Firemen's Retirement System of New Jersey | 27,123 | $487.1K | 0.00% | +3,371+14.2% | Added |
| Canada Pension Plan Investment Board | 27,600 | $495.7K | 0.00% | +27,600 | New |
| Numerai GP LLC | 28,665 | $514.8K | 0.04% | −19,888−41.0% | Reduced |
| Jain Global LLC | 28,770 | $516.7K | 0.01% | +28,770 | New |
| 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 |
| New York State Common Retirement Fund | 34,300 | $616.0K | 0.00% | +12,400+56.6% | Added |
| Tudor Investment Corp Et Al | 35,410 | $636.0K | 0.00% | +4,076+13.0% | Added |