AMLX · Company research
Amylyx Pharmaceuticals, Inc. Common Stock (AMLX): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
80records availableHealthcare
Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| RHUMBLINE ADVISERS | 1115418 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 112920 | 2028032 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Caption Management, LLC | 1706766 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 800 | 14368 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| JPMORGAN CHASE & CO | 19617 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1366124 | 25618158 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| SIMPLEX TRADING, LLC | 1488542 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 94100 | 1690036 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Driehaus Capital Management LLC | 938206 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3036970 | 54543981 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Cormorant Asset Management, LP | 1583977 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 200000 | 3592000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SG Americas Securities, LLC | 1313360 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 55321 | 994 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 268203 | 4816926 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| TCG Crossover Management, LLC | 1839948 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6243812 | 112138864 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AMERIPRISE FINANCIAL INC | 820027 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 125484 | 2253693 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1061534 | 19065151 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| VANGUARD ASSET MANAGEMENT, Ltd | 1680208 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 56948 | 1022786 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| OSAIC HOLDINGS, INC. | 1677044 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 26 | 467 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| EverSource Wealth Advisors, LLC | 1710537 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 178 | 3197 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| GUGGENHEIM CAPITAL LLC | 1283072 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24502 | 440056 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| GAMMA Investing LLC | 2010235 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 433 | 7777 | — | — | — | Jul 7, 2026 | SEC_13F_DATASET |
| Affinity Asset Advisors, LLC | 1773195 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 98999 | 1778022 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| PROFUND ADVISORS LLC | 1129919 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20710 | 371952 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Quarry LP | 1965207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 139 | 2496 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GOLDMAN SACHS GROUP INC | 886982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1537612 | 27615512 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Amundi | 1330387 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12895 | 231594 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| VOYA INVESTMENT MANAGEMENT LLC | 1068837 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17847 | 320532 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Global Retirement Partners, LLC | 1749744 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14 | 251 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Aberdeen Group plc | 1716774 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 737670 | 13248553 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| DIMENSIONAL FUND ADVISORS LP | 354204 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 809848 | 14544870 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Vanguard Personalized Indexing Management, LLC | 1767306 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19880 | 357045 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Aquatic Capital Management LLC | 1803916 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39425 | 708073 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SummitTX Capital, L.P. | 2052310 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 227690 | 4089312 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TWO SIGMA INVESTMENTS, LP | 1179392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 593435 | 10658093 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Tower Research Capital LLC (TRC) | 1533421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7934 | 142495 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Swiss National Bank | 1582202 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 144200 | 2589832 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| BARCLAYS PLC | 312069 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 53917 | 968350 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Point72 Asset Management, L.P. | 1603466 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8200 | 147272 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Nuveen, LLC | 1871926 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 256971 | 4615199 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Quantinno Capital Management LP | 1759654 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 80850 | 1452066 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| STEMPOINT CAPITAL LP | 1952142 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 384304 | 6902100 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ORBIMED ADVISORS LLC | 1055951 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 183400 | 3293864 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AQR CAPITAL MANAGEMENT LLC | 1167557 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20722 | 372167 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GROUP ONE TRADING LLC | 932540 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14000 | 251440 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Essential Partners LLC | 2136442 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15 | 269 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Sterling Capital Management LLC | 1329883 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 323 | 5801 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| ALPS ADVISORS INC | 1376113 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 112447 | 2019548 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1368163 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16956 | 304530 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Vanguard Global Advisers, LLC | 1811242 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 47851 | 859404 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1163 | 20887 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Vanguard Investments Australia, Ltd. | 1550100 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17713 | 318125 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Steward Partners Investment Advisory, LLC | 1723397 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1000 | 17960 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884546 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 725030 | 13021539 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ARIZONA STATE RETIREMENT SYSTEM | 1558481 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19825 | 356057 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| DEUTSCHE BANK AG\ | 948046 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 556204 | 9989424 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Balyasny Asset Management L.P. | 1218710 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 684974 | 12302133 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Virtus Investment Advisers, LLC | 19481 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 22426 | 402771 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Corient Private Wealth LP | 1948780 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 59322 | 1065424 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Sound Capital Solutions LLC | 2033735 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31890 | 572744 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1705339 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 42351 | 760624 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SIGNATUREFD, LLC | 1456048 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 93 | 1670 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| BOOTHBAY FUND MANAGEMENT, LLC | 1549230 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 36060 | 647638 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| J.Safra Asset Management Corp | 1535293 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 315 | 5657 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Strive Financial Group ,LLC | 2090040 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 650 | 11674 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| SEI INVESTMENTS CO | 350894 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19750 | 354710 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ROYAL BANK OF CANADA | 1000275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11700 | 210000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Seven Fleet Capital Management LP | 2092021 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14540 | 261138 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| Almitas Capital LLC | 1596468 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 974881 | 17508863 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| FRANKLIN RESOURCES INC | 38777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2950188 | 52985375 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Maven Securities LTD | 1633046 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25000 | 449000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Schonfeld Strategic Advisors LLC | 1665241 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 66804 | 1199799 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PFM Health Sciences, LP | 1442756 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 143700 | 2580852 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 928047 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 37828 | 679391 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Invesco Ltd. | 914208 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 89085 | 1599967 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SALEM INVESTMENT COUNSELORS INC | 884423 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 55 | 988 | — | — | — | Jul 14, 2026 | SEC_13F_DATASET |
| GSA CAPITAL PARTNERS LLP | 1362033 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39241 | 705 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Larson Financial Group LLC | 1731061 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 142 | 2550 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ADAR1 Capital Management, LLC | 1940272 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 494378 | 8879029 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| HSBC HOLDINGS PLC | 873630 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14554 | 268958 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| WELLINGTON MANAGEMENT GROUP LLP | 902219 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 133919 | 2405185 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| CANADA PENSION PLAN INVESTMENT BOARD | 1283718 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 27600 | 495696 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 145133 | 2607 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Jupiter Topco LLC | 2146052 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5197502 | 93321148 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Elmind Capital, LP | 2052213 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 112000 | 2011520 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| D. E. Shaw & Co., Inc. | 1009207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 119748 | 2150674 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.