Companies / Amylyx Pharmaceuticals, Inc. / Activity
Activity — Amylyx Pharmaceuticals, Inc.
71 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Add | Common stock | $631.1K | +45K +2.10% | 2,210,932 1.98% of shares | low |
| Q3 2023 as of | Barclays PLC 13F manager | Trim | Common stock | $-957.3K | -52K -67.05% | 25,699 0.02% of shares | low |
| Q4 2023 as of | Barclays PLC 13F manager | Add | Common stock | $959.5K | +65K +253.63% | 90,879 0.08% of shares | low |
| Q4 2025 as of | Boxer Capital Management, LLC 13F manager | Trim | Common stock | $-1.21M | -100K -11.11% | 800,000 0.72% of shares | low |
| Q1 2023 as of | Barclays PLC 13F manager | Add | Common stock | $1.27M | +43K +112.77% | 81,906 0.07% of shares | low |
| Q1 2026 as of | Federated Hermes Inc 13F manager | Trim | Common stock | $-1.30M | -94K -20.52% | 363,546 0.33% of shares | low |
| Q4 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-1.44M | -119K -28.72% | 295,177 0.26% of shares | low |
| Q1 2026 as of | HighVista Strategies LLC 13F manager | Add | Common stock | $1.57M | +113K +47.43% | 352,085 0.32% of shares | low |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Exit | Common stock | $-2.33M | -193K -100.00% | 0 | low |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Trim | Common stock | $-2.54M | -182K -52.98% | 161,945 0.15% of shares | low |
| Q2 2025 as of | Boxer Capital Management, LLC 13F manager | Trim | Common stock | $-3.37M | -525K -30.00% | 1,225,000 1.10% of shares | low |
| Q1 2026 as of | Balyasny Asset Management L.P. 13F manager | Add | Common stock | $3.46M | +249K +28.95% | 1,107,271 0.99% of shares | low |
| Q3 2025 as of | Barclays PLC 13F manager | Add | Common stock | $3.86M | +284K +217.88% | 414,112 0.37% of shares | low |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Trim | Common stock | $-4.08M | -227K -2.51% | 8,827,085 7.92% of shares | low |
| Q3 2025 as of | Boxer Capital Management, LLC 13F manager | Trim | Common stock | $-4.42M | -325K -26.53% | 900,000 0.81% of shares | low |
| Q1 2026 as of | Janus Henderson Group PLC 13F manager | Add | Common stock | $7.23M | +520K +11.65% | 4,986,073 4.47% of shares | medium |
| Q1 2026 as of | Jupiter Asset Management Ltd 13F manager | Add | Common stock | $8.02M | +577K +3705.41% | 592,654 0.53% of shares | medium |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $9.58M | +533K +25.77% | 2,603,337 2.34% of shares | medium |
| Q1 2026 as of | Adage Capital Partners Gp, L.L.C. 13F manager | Add | Common stock | $10.89M | +784K +28.22% | 3,560,764 3.20% of shares | medium |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Add | Common stock | $10.95M | +906K +211.05% | 1,336,010 1.20% of shares | medium |
| Q2 2026 as of | Deutsche Bank AG 13F manager | Trim | Common stock | $-13.92M | -775K -58.15% | 557,937 0.50% of shares | medium |