4 institutions reported holding $208,677 of Amylyx Pharmaceuticals Inc (AMLX) in SEC 13F filings for 2026-06-30. Largest institutional holders: Valeo Financial Advisors, LLC ($180,408), EASTERN BANK ($12,949), GAMMA Investing LLC ($7,777), MassMutual Private Wealth & Trust, FSB ($7,543). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Valeo Financial Advisors, LLC | $180,408 | 10,045 | Added |
| 2 | EASTERN BANK | $12,949 | 721 | Added |
| 3 | GAMMA Investing LLC | $7,777 | 433 | Added |
| 4 | MassMutual Private Wealth & Trust, FSB | $7,543 | 420 | Added |
Source: SEC Form 13F filings · as of 2026-06-30