Amylyx Pharmaceuticals Inc. (AMLX) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2025-11-17
5:39 pm
Purchase
2025-11-1013GAmylyx Pharmaceuticals, Inc.
AMLX
Commodore Capital LP5,650,000
5.100%
5,650,000increase
(New Position)
Filing
History
2025-11-14
4:10 pm
Sale
2025-09-3013GAmylyx Pharmaceuticals, Inc.
AMLX
Point72 Asset Management, L.P.2,801,636
2.600%
-1,916,073decrease
(-40.61%)
Filing
History
2025-11-14
4:00 pm
Purchase
2025-09-3013GAmylyx Pharmaceuticals, Inc.
AMLX
Perceptive Advisors LLC8,952,365
8.200%
1,078,017increase
(+13.69%)
Filing
History
2025-11-13
09:05 am
Sale
2025-09-3013GAmylyx Pharmaceuticals, Inc.
AMLX
Adage Capital Management, L.P.6,816,828
6.390%
-1,983,172decrease
(-22.54%)
Filing
History
2025-10-30
2:37 pm
Purchase
2025-09-3013GAmylyx Pharmaceuticals, Inc.
AMLX
The Vanguard Group5,273,750
4.940%
775,722increase
(+17.25%)
Filing
History
2025-10-07
3:49 pm
Purchase
2025-09-3013GAmylyx Pharmaceuticals, Inc.
AMLX
FMR LLC11,379,207
10.700%
11,379,207increase
(New Position)
Filing
History
2025-08-12
09:07 am
Purchase
2025-06-3013GAmylyx Pharmaceuticals, Inc.
AMLX
Adage Capital Management, L.P.8,800,000
9.870%
3,102,395increase
(+54.45%)
Filing
History
2025-07-29
11:21 am
Purchase
2025-06-3013GAmylyx Pharmaceuticals, Inc.
AMLX
The Vanguard Group4,498,028
5.040%
1,408,383increase
(+45.58%)
Filing
History
2025-07-17
7:44 pm
Purchase
2025-06-3013GAmylyx Pharmaceuticals, Inc.
AMLX
BlackRock Inc.
BLK
4,917,501
5.500%
2,247,760increase
(+84.19%)
Filing
History
2025-06-25
5:24 pm
Purchase
2025-06-2413GAmylyx Pharmaceuticals, Inc.
AMLX
Point72 Asset Management, L.P.4,717,709
5.300%
3,669,366increase
(+350.02%)
Filing
History
2025-05-15
4:30 pm
Purchase
2025-03-3113GAmylyx Pharmaceuticals, Inc.
AMLX
Perceptive Advisors LLC7,874,348
8.800%
1,100,000increase
(+16.24%)
Filing
History
2025-05-15
3:52 pm
Sale
2025-03-3113GAmylyx Pharmaceuticals, Inc.
AMLX
Point72 Asset Management, L.P.1,048,343
1.200%
-3,771,990decrease
(-78.25%)
Filing
History
2025-05-12
09:05 am
Purchase
2025-03-3113GAmylyx Pharmaceuticals, Inc.
AMLX
Adage Capital Management, L.P.5,697,605
6.430%
5,697,605increase
(New Position)
Filing
History
2025-02-14
4:30 pm
Sale
2024-12-3113GAmylyx Pharmaceuticals, Inc.
AMLX
Panacea Innovation Ltd2,200,000
2.600%
-2,000,000decrease
(-47.62%)
Filing
History
2025-02-14
4:15 pm
Purchase
2024-12-3113GAmylyx Pharmaceuticals, Inc.
AMLX
Perceptive Advisors LLC6,774,348
7.900%
2,315,607increase
(+51.93%)
Filing
History
2025-01-14
4:53 pm
Purchase
2025-01-1313GAmylyx Pharmaceuticals, Inc.
AMLX
Point72 Asset Management, L.P.4,820,333
5.600%
1,617,952increase
(+50.52%)
Filing
History
2024-11-12
1:22 pm
Unchanged
2024-09-3013GAmylyx Pharmaceuticals, Inc.
AMLX
The Vanguard Group3,089,645
4.530%
0
(Unchanged)
Filing
History
2024-11-04
10:56 am
Sale
2024-09-3013GAmylyx Pharmaceuticals, Inc.
AMLX
The Vanguard Group3,089,645
4.530%
-2,185,921decrease
(-41.43%)
Filing
History
2024-10-25
5:38 pm
Purchase
2024-10-1813GAmylyx Pharmaceuticals, Inc.
AMLX
Perceptive Advisors LLC4,458,741
6.500%
2,589,616increase
(+138.55%)
Filing
History
2024-08-26
6:49 pm
Purchase
2024-08-1413GAmylyx Pharmaceuticals, Inc.
AMLX
TCG Crossover GP II, LLC4,643,812
6.800%
4,643,812increase
(New Position)
Filing
History
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