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 |
|---|---|---|---|---|---|
| Jupiter Topco LLC | 5,236,102 | $94.0M | 0.04% | +5,236,102 | New |
| Commodore Capital LP | 5,650,000 | $101.5M | 6.04% | 00.0% | Unchanged |
| TCG Crossover Management, LLC | 6,243,812 | $112.1M | 2.70% | 00.0% | Unchanged |
| Perceptive Advisors LLC | 8,334,882 | $149.7M | 2.32% | +50,000+0.6% | Added |
| BlackRock, Inc. | 8,827,085 | $158.5M | 0.00% | −1,7510.0% | Reduced |
| FMR LLC | 16,727,909 | $300.4M | 0.01% | +97,368+0.6% | Added |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −114,877−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −106,535−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −53,256−100.0% | Sold out |
| Integrated Quantitative Investments LLC | 0 | $0 | 0.00% | −27,234−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −19,814−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −13,264−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −12,226−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −9,014−100.0% | Sold out |
| ACT Capital Management, LLC | 0 | $0 | 0.00% | −9,000−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −661−100.0% | Sold out |
| Dunhill Financial, LLC | 0 | $0 | 0.00% | −600−100.0% | Sold out |
| Stone House Investment Management, LLC | 0 | $0 | 0.00% | −73−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |