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Of the 10 tracked institutions holding AMLX, 4 have a 3-year clone track record — 4 of them beat the S&P. Average holder's clone alpha: +5.7pt. It's a gauge of who owns the name, not just how many.
Among the 10 tracked institutional investors we monitor, AMLX (AMYLYX PHARMACEUTICALS INC) is held with a combined value of $519.00M across 38,098,361 shares. The largest holder is FMR LLC with a position worth $231.16M (0.01% of their portfolio). 8 funds increased their holdings. 2 funds reduced their position.
Total Institutional Value
$519.00M
Total Shares Held
38,098,361
Institutional Holders
10
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | FMR LLC | $231.16M | 0.01% | +0.7% |
| 2 | BlackRock, Inc. | $122.72M | 0.00% | -2.5% |
| 3 | VANGUARD GROUP INC | $70.12M | 0.00% | +10.1% |
| 4 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $49.49M | 0.08% | +28.2% |
| 5 | STATE STREET CORP | $32.85M | 0.00% | +14.2% |
| 6 | CITADEL ADVISORS LLC | $5.72M | 0.00% | +19.3% |
| 7 | WELLINGTON MANAGEMENT GROUP LLP | $3.36M | 0.00% | +7.0% |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | $1.69M | 0.00% | +12.9% |
| 9 | Point72 Asset Management, L.P. | $1.48M | 0.00% | -68.2% |
| 10 | AQR CAPITAL MANAGEMENT LLC | $404.34K | 0.00% | +4.5% |
As of the latest SEC 13F filings, FMR LLC is the largest institutional holder of AMLX with a position worth $231.16M, representing 0.01% of their portfolio. In total, 10 institutional investors hold AMLX with a combined value of $519.00M.
Institutional investors hold $519.00M worth of AMLX stock across 10 positions. The largest institutional holder is FMR LLC with $231.16M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For AMLX, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their AMLX positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$18.41
2026-07-24
YTD
+61.2%
97% of 52-week range
