AMYLYX PHARMACEUTICALS INC AMLX
$18.27
+1.8% 52w: $5.02 – $18.70
Latest 13F among current holders filed 31 days ago (Jun 4, 2026)
Price — last 12 months
research preview data5.0211.8618.70
Jun 20, 2025 Jul 2, 2026
Institutional holders
171
-9 QoQ
13F value
$1.60B
+17.6% QoQ
Smart-money holders
23
signal tier ≥ 2
New smart buyers
1
Q1 2026
Options barometer
6.0×
$9.0M calls / $1.5M puts
Institutional value by quarter
Number of holders
Who owns AMLX?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| FMR LLC | Long only active | 16.6M | $231.2M | 0.0% | +0.7% |
| BlackRock, Inc. | Index provider | 8.8M | $122.7M | 0.0% | -2.5% |
| PERCEPTIVE ADVISORS LLC ★2 | Fundamental diversified | 8.3M | $115.2M | 2.3% | Held |
| TCG Crossover Management, LLC ★3 | Fundamental concentrated | 6.2M | $86.8M | 2.5% | Held |
| Commodore Capital LP ★3 | Fundamental concentrated | 5.7M | $78.5M | 4.5% | Held |
| JANUS HENDERSON GROUP PLC | Diversified mechanical | 5.0M | $69.3M | 0.0% | +11.6% |
| Saturn V Capital Management LP ★3 | Fundamental concentrated | 4.3M | $60.5M | 10.9% | -3.3% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 4.1M | $57.6M | 0.0% | — |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Other | 3.6M | $49.5M | 0.1% | +28.2% |
| First Light Asset Management, LLC ★3 | Fundamental concentrated | 3.2M | $44.3M | 4.0% | -4.9% |
| Driehaus Capital Management LLC | Other | 3.0M | $41.5M | 0.3% | -3.9% |
| GOLDMAN SACHS GROUP INC | Bank broker | 2.6M | $36.5M | 0.0% | +0.5% |
| STATE STREET CORP | Index provider | 2.4M | $32.8M | 0.0% | +14.2% |
| FRANKLIN RESOURCES INC | Long only active | 2.3M | $31.4M | 0.0% | +88.4% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 2.2M | $30.7M | 0.0% | +2.1% |
| MORGAN STANLEY | Bank broker | 2.2M | $30.2M | 0.0% | -7.8% |
| Almitas Capital LLC ★2 | Fundamental diversified | 2.1M | $29.5M | 6.7% | Held |
| GREAT POINT PARTNERS LLC ★2 | Fundamental concentrated | 1.8M | $24.3M | 6.0% | Held |
| Jones Hill Capital LP ★3 | Fundamental concentrated | 1.6M | $22.2M | 4.8% | — |
| 683 Capital Management, LLC ★2 | Fundamental diversified | 1.5M | $21.3M | 2.1% | -7.3% |
| EVENTIDE ASSET MANAGEMENT, LLC | Other | 1.5M | $21.0M | 0.3% | +0.1% |
| STEMPOINT CAPITAL LP ★2 | Fundamental concentrated | 1.3M | $18.6M | 1.8% | +137.0% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 1.3M | $18.5M | 0.0% | -0.4% |
| DEUTSCHE BANK AG\ | Bank broker | 1.3M | $17.6M | 0.0% | -4.9% |
| Siren, L.L.C. ★2 | Fundamental diversified | 1.2M | $17.1M | 0.5% | New |
| Balyasny Asset Management L.P. | Multistrat pod | 1.1M | $15.4M | 0.0% | +28.9% |
| ADAR1 Capital Management, LLC | Other | 1.0M | $13.9M | 0.8% | +12.4% |
| BARCLAYS PLC | Bank broker | 971.9K | $13.5M | 0.0% | +229.2% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 944.8K | $13.1M | 0.0% | — |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 903.2K | $12.5M | 0.0% | +17.1% |
| Connor, Clark & Lunn Investment Management Ltd. | Diversified mechanical | 868.3K | $12.1M | 0.0% | -13.5% |
| Woodline Partners LP | Other | 845.8K | $11.8M | 0.0% | 0.0% |
| Boxer Capital Management, LLC ★2 | Fundamental concentrated | 800.0K | $11.1M | 1.5% | Held |
| NORTHERN TRUST CORP | Index provider | 779.9K | $10.8M | 0.0% | -16.8% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 716.2K | $10.0M | 0.0% | +0.5% |
| Qube Research & Technologies Ltd | Quant stat arb | 702.2K | $9.8M | 0.0% | +70.1% |
| Logos Global Management LP ★2 | Fundamental concentrated | 700.0K | $9.7M | 0.5% | -26.3% |
| Parkman Healthcare Partners LLC | Other | 621.5K | $8.6M | 0.9% | +62.8% |
| JUPITER ASSET MANAGEMENT LTD | Other | 592.7K | $8.2M | 0.0% | +3705.4% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 586.2K | $8.1M | 0.0% | — |
| Nantahala Capital Management, LLC ★2 | Fundamental diversified | 535.7K | $7.4M | 0.5% | -35.9% |
| Rock Springs Capital Management LP ★2 | Fundamental diversified | 499.8K | $6.9M | 0.4% | Held |
| CITADEL ADVISORS LLC | Multistrat pod | 411.5K | $5.7M | 0.0% | +19.3% |
| FEDERATED HERMES, INC. | Diversified mechanical | 363.5K | $5.1M | 0.0% | -20.5% |
| HighVista Strategies LLC | Other | 352.1K | $4.9M | 1.4% | +47.4% |
| Cormorant Asset Management, LP ★3 | Fundamental concentrated | 350.0K | $4.9M | 0.2% | -12.5% |
| UBS Group AG | Bank broker | 324.3K | $4.5M | 0.0% | -40.3% |
| Tetragon Partners GP Ltd ★3 | Fundamental concentrated | 317.9K | $4.4M | 0.9% | +16.5% |
| iA Global Asset Management Inc. | Other | 304.8K | $4.2M | 0.1% | New |
| Nuveen, LLC | Diversified mechanical | 264.9K | $3.7M | 0.0% | -6.7% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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