ADAGE CAPITAL PARTNERS GP, L.L.C.
Position in AMLX — Amylyx Pharmaceuticals, Inc.
CIK 1165408
Boston, MA
Position in AMLX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$49,494,619
+$15,947,795 QoQ
Shares Held
3,560,764
+28.2% QoQ
Ownership
3.20%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2022
12 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in AMLX Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - Specialty & Generic
Healthcare · as of Mar 31, 2026ADAGE CAPITAL PARTNERS GP, L.L.C. holds $249,338,861 across 6 Drug Manufacturers - Specialty & Generic names. AMLX ranks #2 (19.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TAK |
Takeda Pharmaceutical Co Ltd
|
6,424,984 | $118,990,703 | |
| 2 | AMLX |
Amylyx Pharmaceuticals, Inc.
This page
|
3,560,764 | $49,494,619 | |
| 3 | ELAN |
Elanco Animal Health Inc
|
1,443,688 | $34,547,453 | |
| 4 | LNTH |
Lantheus Holdings, Inc.
|
346,755 | $26,301,366 | |
| 5 | VTRS |
Viatris Inc
|
833,436 | $11,259,720 | |
| 6 | BIOA |
BioAge Labs, Inc.
|
500,000 | $8,745,000 |
All Filings in AMLX
Export CSV
12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $49,494,619 | 3,560,764 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $33,546,824 | 2,777,055 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $92,640,692 | 6,816,828 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $56,408,000 | 8,800,000 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $20,169,521 | 5,697,605 | Shares | Sole | 2025-05-15 | |
| 2023-09-30 | $31,130,662 | 1,700,200 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $16,570,074 | 768,200 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $29,555,238 | 1,007,336 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $70,544,976 | 1,909,201 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $38,002,500 | 1,350,000 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $3,852,000 | 200,000 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $478,020 | 37,200 | Shares | Sole | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||