Institutional Ownership Amylyx Pharmaceuticals, Inc. (AMLX)
This table provides information about the institutional ownership of Amylyx Pharmaceuticals, Inc. (AMLX). We have compiled data on the 183 institutions that hold shares in the stock, with a total of 94.1 Million shares, which have been reported (via 13F filing form) to have a value of $1.19 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Patient Square Capital LP
Menlo Park, CA |
Nov 10, 2025 Q3 2025 |
316,312
shares
|
$4.01 Million
1.15% of portfolio
|
Q3 2025
New holding
|
|
|
International Biotechnology Trust PLC
London, X0 |
Nov 14, 2023 Q3 2023 |
295,000
shares
|
$3.74 Million
1.83% of portfolio
|
Q3 2023
Added 1080.0%
|
|
|
Stem Point Capital LP
New York, NY |
Nov 14, 2025 Q3 2025 |
276,884
shares
|
$3.51 Million
0.75% of portfolio
|
Q3 2025
New holding
|
|
|
Tfg Asset Management Gp LTD
Grand Cayman, E9 |
Nov 14, 2025 Q3 2025 |
258,242
shares
|
$3.28 Million
0.78% of portfolio
|
Q3 2025
Added 18.05%
|
|
|
Wellington Management Group LLP
Boston, MA |
Nov 14, 2025 Q3 2025 |
236,197
shares
|
$3 Million
0.0% of portfolio
|
Q3 2025
Reduced 18.16%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Nov 14, 2025 Q3 2025 |
234,673
shares
|
$2.98 Million
0.0% of portfolio
|
Q3 2025
Reduced 81.12%
|
|
|
Trexquant Investment LP
Stamford, CT |
Nov 14, 2025 Q3 2025 |
222,876
shares
|
$2.83 Million
0.03% of portfolio
|
Q3 2025
New holding
|
|
|
Federated Hermes, Inc.
Pittsburgh, PA |
Nov 03, 2025 Q3 2025 |
212,379
shares
|
$2.7 Million
0.01% of portfolio
|
Q3 2025
Added 4.14%
|
|
|
Aldebaran Capital, LLC
Indianapolis, IN |
Nov 10, 2025 Q3 2025 |
204,474
shares
|
$2.59 Million
2.55% of portfolio
|
Q3 2025
Reduced 6.13%
|
|
|
Longaeva Partners L.P.
Chicago, IL |
Nov 14, 2025 Q3 2025 |
200,000
shares
|
$2.54 Million
0.39% of portfolio
|
Q3 2025
New holding
|
|
|
Summit Tx Capital, L.P.
Fort Worth, TX |
Nov 14, 2025 Q3 2025 |
168,000
shares
|
$2.13 Million
0.09% of portfolio
|
Q3 2025
New holding
|
|
|
Qube Research & Technologies LTD
London, X0 |
Nov 14, 2025 Q3 2025 |
167,106
shares
|
$2.12 Million
0.0% of portfolio
|
Q3 2025
Reduced 61.85%
|
|
|
Fred Alger Management, LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
164,042
shares
|
$2.08 Million
0.01% of portfolio
|
Q3 2025
New holding
|
|
|
Nuveen, LLC
Charlotte, NC |
Nov 12, 2025 Q3 2025 |
160,419
shares
|
$2.04 Million
0.0% of portfolio
|
Q3 2025
Added 3.14%
|
|
|
Bank Of Montreal
Toronto, A6 |
Nov 13, 2025 Q3 2025 |
143,752
shares
|
$1.82 Million
0.0% of portfolio
|
Q3 2025
Added 0.17%
|
|
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
Nov 14, 2025 Q3 2025 |
143,000
shares
|
$1.81 Million
0.0% of portfolio
|
Q3 2025
Reduced 69.57%
|
|
|
Ameriprise Financial Inc
Minneapolis, MN |
Nov 14, 2025 Q3 2025 |
133,508
shares
|
$1.69 Million
0.0% of portfolio
|
Q3 2025
Added 40.21%
|
|
|
Kennondale Capital Management LLC
Richmond, VA |
Nov 12, 2025 Q3 2025 |
108,615
shares
|
$1.38 Million
1.13% of portfolio
|
Q3 2025
Added 14.13%
|
|
|
Tekla Capital Management LLC
|
Aug 10, 2023 Q2 2023 |
104,007
shares
|
$1.32 Million
0.09% of portfolio
|
Q2 2023
New holding
|
|
|
Price T Rowe Associates Inc
Baltimore, MD |
Nov 14, 2025 Q3 2025 |
100,445
shares
|
$1.27 Million
0.0% of portfolio
|
Q3 2025
Added 9.91%
|
|
|
Diadema Partners LP
Morristown, NJ |
Nov 14, 2025 Q3 2025 |
100,000
shares
|
$1.27 Million
0.35% of portfolio
|
Q3 2025
New holding
|
|
|
Tang Capital Management LLC
San Diego, CA |
Nov 14, 2025 Q3 2025 |
100,000
shares
|
$1.27 Million
0.06% of portfolio
|
Q1 2024
Reduced 50.0%
|
|
|
Rhumbline Advisers
Boston, MA |
Nov 06, 2025 Q3 2025 |
98,657
shares
|
$1.25 Million
0.0% of portfolio
|
Q3 2025
Reduced 1.91%
|
|
|
Two Sigma Investments, LP
New York, NY |
Nov 14, 2025 Q3 2025 |
98,416
shares
|
$1.25 Million
0.0% of portfolio
|
Q3 2025
Reduced 82.39%
|
|
|
Wells Fargo & Company
San Francisco, CA |
Nov 13, 2025 Q3 2025 |
93,691
shares
|
$1.19 Million
0.0% of portfolio
|
Q3 2025
Added 145.9%
|
|