Amylyx Pharmaceuticals, Inc. AMLX
28.31 USD -0.89 (-3.06%)
Nov 4, 2026, 11:29 AM EST
27.90 Day range 30.50
10.83 52-week range 41.14
- YTD
- +134.31%
- 1 year
- +106.01%
Held by funds
121 US ETFs and mutual funds hold AMLX · largest positions
Ownership
Held by insiders 7.16%
Held by institutions 94.58%
Float held by institutions 101.87%
Institutions 292
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| FMR, LLC | 15.01% | 16,727,909 | 488.45M | Jun 29, 2026 |
| Blackrock Inc. | 7.92% | 8,827,085 | 257.75M | Jun 29, 2026 |
| Perceptive Advisors Llc | 7.48% | 8,334,882 | 243.38M | Jun 29, 2026 |
| TCG Crossover Management, LLC | 5.60% | 6,243,812 | 182.32M | Jun 29, 2026 |
| Commodore Capital Lp | 5.07% | 5,650,000 | 164.98M | Jun 29, 2026 |
| Jupiter Topco LLC | 4.70% | 5,236,102 | 152.89M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 2.83% | 3,154,723 | 92.12M | Jun 29, 2026 |
| iShares Trust-iShares Russell 2000 ETF | 2.42% | 2,694,093 | 78.67M | Sep 29, 2026 |
| Fidelity Advisor Series VII-Fidelity Advisor Biotechnology Fund | 2.18% | 2,433,200 | 71.05M | Aug 30, 2026 |
| Fidelity Securities Fund-Fidelity Small Cap Growth Fund | 1.90% | 2,115,961 | 61.79M | Jul 30, 2026 |
| Fidelity Select Portfolios-Select Health Care Portfolio | 1.44% | 1,600,000 | 46.72M | Aug 30, 2026 |
| Fidelity Capital Trust-Fidelity Stock Selector Small Cap Fund | 1.33% | 1,476,800 | 43.12M | Aug 30, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| BEDROSIAN CAMILLE L | Officer | Sale | Sep 9, 2026 | 278,064 |
| COHEN JOSHUA BARRY | Chief Executive Officer | Sale | Sep 9, 2026 | 3,613,120 |
| FIRESTONE KAREN M. | Director | Conversion of Exercise of derivative security | Aug 30, 2026 | 116,900 |
| FRATES JAMES MATTHEW | Chief Financial Officer | Sale | Sep 9, 2026 | 400,156 |
| KLEE JUSTIN B | Chief Executive Officer | Sale | Sep 9, 2026 | 3,613,060 |
| MAZZARIELLO GINA | Officer | Sale | Sep 9, 2026 | 190,838 |