Security record
AMLX
Amylyx Pharmaceuticals, Inc. · Healthcare · Biotechnology
79Tracked holders
+11Δ holders
60.68MShares held
$1.09BReported value
+14New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth +16.2% ·
share flow +5.3% ·
net new positions +15.2%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 79 | +11 | 60.68M | $1.09B | +14 | −2 |
| Q1 2026 | 70 | -3 | 62.54M | $868.96M | +6 | −9 |
| Q4 2025 | 73 | 0 | 62.47M | $754.72M | — | — |
| Q3 2025 | 18 | +1 | 42.12M | $572.37M | +1 | — |
| Q2 2025 | 14 | -1 | 33.34M | $213.68M | — | −1 |
| Q1 2025 | 12 | +1 | 15.66M | $55.46M | +2 | −1 |
| Q4 2024 | 11 | 0 | 5.41M | $20.47M | +1 | −1 |
| Q3 2024 | 10 | +2 | 5.23M | $16.93M | +2 | — |
| Q2 2024 | 8 | — | 10.16M | $19.31M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 16.73M | +0.6% | $300.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | Fidelity (FMR) ✦ | 16.73M | +0.6% | $300.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | Fidelity (FMR) ✦ | 16.73M | +0.6% | $300.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 16.73M | +0.6% | $300.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | Fidelity (FMR) ✦ | 16.73M | +0.6% | $300.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 8.83M | 0.0% | $158.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 8.83M | 0.0% | $158.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 8.83M | 0.0% | $158.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 8.83M | 0.0% | $158.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 8.83M | 0.0% | $158.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 8.83M | 0.0% | $158.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 8.83M | 0.0% | $158.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 8.83M | 0.0% | $158.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 8.83M | 0.0% | $158.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 8.83M | 0.0% | $158.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 8.83M | 0.0% | $158.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 8.83M | 0.0% | $158.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 8.83M | 0.0% | $158.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 19 | Vanguard Capital Management Llc | 4.22M | +2.0% | $75.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | Morgan Stanley ✦ | 3.13M | +43.9% | $56.23M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 21 | Morgan Stanley ✦ | 3.13M | +43.9% | $56.23M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 22 | Morgan Stanley ✦ | 3.13M | +43.9% | $56.23M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 23 | Morgan Stanley ✦ | 3.13M | +43.9% | $56.23M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 24 | Morgan Stanley ✦ | 3.13M | +43.9% | $56.23M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 25 | Morgan Stanley ✦ | 3.13M | +43.9% | $56.23M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 26 | Morgan Stanley ✦ | 3.13M | +43.9% | $56.23M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 27 | Franklin Resources Inc | 2.95M | +30.4% | $52.99M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | Franklin Resources Inc | 2.95M | +30.4% | $52.99M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 29 | Goldman Sachs Group ✦ | 2.86M | +8.8% | $51.33M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 30 | Goldman Sachs Group ✦ | 2.86M | +8.8% | $51.33M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 31 | Goldman Sachs Group ✦ | 2.86M | +8.8% | $51.33M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 32 | State Street Global Advisors ✦ (passive) | 2.60M | +10.2% | $46.76M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 33 | Geode Capital Management ✦ (passive) | 2.34M | +5.6% | $41.95M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 34 | Geode Capital Management ✦ (passive) | 2.34M | +5.6% | $41.95M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 35 | JPMorgan Chase ✦ | 1.86M | +1067.2% | $34.92M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 36 | JPMorgan Chase ✦ | 1.86M | +1067.2% | $34.92M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 37 | JPMorgan Chase ✦ | 1.86M | +1067.2% | $34.92M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 38 | JPMorgan Chase ✦ | 1.86M | +1067.2% | $34.92M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 39 | Adage Capital Partners ✦ | 1.90M | -46.6% | $34.12M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 40 | Alyeska Investment Group, L.P. | 1.05M | New | $18.91M | 0.0% | New | 1 | SEC ↗ |
| 41 | Dimensional Fund Advisors Lp | 902.46K | -0.1% | $16.22M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 42 | Dimensional Fund Advisors Lp | 902.46K | -0.1% | $16.22M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 43 | Dimensional Fund Advisors Lp | 902.46K | -0.1% | $16.22M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 44 | Dimensional Fund Advisors Lp | 902.46K | -0.1% | $16.22M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 45 | Northern Trust Corp | 831.74K | +6.7% | $14.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 46 | Northern Trust Corp | 831.74K | +6.7% | $14.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 47 | Northern Trust Corp | 831.74K | +6.7% | $14.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 48 | Northern Trust Corp | 831.74K | +6.7% | $14.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 49 | Northern Trust Corp | 831.74K | +6.7% | $14.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 50 | Bank Of America Corp /De/ | 821.84K | -38.2% | $14.76M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 51 | Bank Of America Corp /De/ | 821.84K | -38.2% | $14.76M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 52 | Bank Of America Corp /De/ | 821.84K | -38.2% | $14.76M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 53 | Aberdeen Group plc | 737.67K | New | $13.25M | 0.0% | New | 1 | SEC ↗ |
| 54 | Charles Schwab Investment… | 725.03K | +1.2% | $13.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 55 | Connor, Clark & Lunn Investment… | 721.00K | -17.0% | $12.95M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 56 | Balyasny Asset Management L.P. | 684.97K | -38.1% | $12.30M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 57 | Qube Research & Technologies Ltd | 681.39K | -3.0% | $12.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 58 | Two Sigma Investments ✦ | 593.43K | +266.4% | $10.66M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 59 | Deutsche Bank Ag\ | 557.94K | -56.0% | $10.02M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 60 | Deutsche Bank Ag\ | 557.94K | -56.0% | $10.02M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 61 | Federated Hermes, Inc. | 462.20K | +27.1% | $8.30M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Federated Hermes, Inc. | 462.20K | +27.1% | $8.30M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 63 | Nuveen, LLC | 330.52K | +24.8% | $5.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 64 | Nuveen, LLC | 330.52K | +24.8% | $5.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 65 | Nuveen, LLC | 330.52K | +24.8% | $5.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 66 | Ensign Peak Advisors, Inc | 305.44K | New | $5.49M | 0.0% | New | 1 | SEC ↗ |
| 67 | Jane Street Group, Llc | 299.56K | New | $5.38M | 0.0% | New | 1 | SEC ↗ |
| 68 | Jane Street Group, Llc | 299.56K | New | $5.38M | 0.0% | New | 1 | SEC ↗ |
| 69 | Bank of New York Mellon Corp | 274.44K | +9.3% | $4.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 70 | Bank of New York Mellon Corp | 274.44K | +9.3% | $4.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 71 | Bank of New York Mellon Corp | 274.44K | +9.3% | $4.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 72 | Bank of New York Mellon Corp | 274.44K | +9.3% | $4.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 73 | Bank of New York Mellon Corp | 274.44K | +9.3% | $4.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 74 | UBS Group AG | 271.88K | -16.2% | $4.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 75 | UBS Group AG | 271.88K | -16.2% | $4.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 76 | UBS Group AG | 271.88K | -16.2% | $4.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 77 | First Trust Advisors Lp | 254.59K | New | $4.57M | 0.0% | New | 1 | SEC ↗ |
| 78 | Wellington Management ✦ | 212.84K | -11.9% | $3.82M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 79 | Wellington Management ✦ | 212.84K | -11.9% | $3.82M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 80 | Wellington Management ✦ | 212.84K | -11.9% | $3.82M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 81 | Citadel Advisors ✦ | 178.69K | -56.6% | $3.21M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 82 | Citadel Advisors ✦ | 178.69K | -56.6% | $3.21M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 83 | D. E. Shaw & Co. ✦ | 174.28K | +134.8% | $3.13M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 84 | D. E. Shaw & Co. ✦ | 174.28K | +134.8% | $3.13M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 85 | UBS AM, a distinct business unit of… | 173.41K | +10.4% | $3.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 86 | UBS AM, a distinct business unit of… | 173.41K | +10.4% | $3.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 87 | UBS AM, a distinct business unit of… | 173.41K | +10.4% | $3.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 88 | UBS AM, a distinct business unit of… | 173.41K | +10.4% | $3.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 89 | UBS AM, a distinct business unit of… | 173.41K | +10.4% | $3.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | UBS AM, a distinct business unit of… | 173.41K | +10.4% | $3.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | UBS AM, a distinct business unit of… | 173.41K | +10.4% | $3.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 92 | UBS AM, a distinct business unit of… | 173.41K | +10.4% | $3.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 93 | Norges Bank ✦ (passive) | 159.90K | New | $2.87M | 0.0% | New | 1 | SEC ↗ |
| 94 | T. Rowe Price ✦ | 145.13K | +19.5% | $2.61M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 95 | Swiss National Bank | 144.20K | +10.7% | $2.59M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 96 | Invesco Ltd. | 139.94K | -18.5% | $2.51M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 97 | Invesco Ltd. | 139.94K | -18.5% | $2.51M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 98 | Invesco Ltd. | 139.94K | -18.5% | $2.51M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 99 | Invesco Ltd. | 139.94K | -18.5% | $2.51M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 100 | Wells Fargo & Company/Mn | 128.16K | +70.7% | $2.30M | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Alyeska Investment Group, L.P. | $18.91M | 0.0% |
| Aberdeen Group plc | $13.25M | 0.0% |
| Ensign Peak Advisors, Inc | $5.49M | 0.0% |
| Jane Street Group, Llc | $5.38M | 0.0% |
| Jane Street Group, Llc | $5.38M | 0.0% |
| First Trust Advisors Lp | $4.57M | 0.0% |
| Norges Bank | $2.87M | 0.0% |
Exited
| Squarepoint Ops LLC | $1.60M | was 0.0% |
| Point72 Asset Management | $1.48M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 170 holders, 113.99M shares, $1.58B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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