WELLINGTON MANAGEMENT GROUP LLP
Position in AMLX — Amylyx Pharmaceuticals, Inc.
CIK 902219
Boston, MA
Position in AMLX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$3,357,571
+$630,126 QoQ
Shares Held
241,552
+7.0% QoQ
Ownership
0.217%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2022
11 quarters on record
Voting authority
Sole 0%
Shared 71%
None 29%
Common Shares in AMLX Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - Specialty & Generic
Healthcare · as of Mar 31, 2026WELLINGTON MANAGEMENT GROUP LLP holds $3,311,744,758 across 31 Drug Manufacturers - Specialty & Generic names. AMLX ranks #14 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | UTHR |
UNITED THERAPEUTICS Corp
|
2,264,247 | $1,342,653,181 | |
| 2 | ZTS |
Zoetis Inc.
|
10,150,096 | $1,199,842,846 | |
| 3 | TEVA |
Teva Pharmaceutical Industries Ltd
|
7,251,828 | $218,425,057 | |
| 4 | NBIX |
Neurocrine Biosciences Inc
|
1,389,539 | $183,057,866 | |
| 5 | ALKS |
Alkermes plc.
|
2,970,166 | $105,025,067 | |
| 6 | ELAN |
Elanco Animal Health Inc
|
3,035,856 | $72,648,032 | |
| 7 | LNTH |
Lantheus Holdings, Inc.
|
768,850 | $58,317,270 | |
| 8 | HLN |
Haleon plc
|
4,828,648 | $48,334,765 |
All Filings in AMLX
Export CSV
11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,357,571 | 241,552 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $2,727,445 | 225,782 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $3,209,915 | 236,197 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $1,850,040 | 288,618 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $1,029,013 | 290,682 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $792,695 | 209,708 | Shares | Defined | 2025-02-12 | |
| 2024-03-31 | $96,368 | 33,933 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $658,763 | 44,753 | Shares | Defined | 2024-02-12 | |
| 2023-06-30 | $382,133 | 17,716 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $3,181,306 | 108,429 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $2,509,088 | 67,905 | Shares | Defined | 2023-02-13 | |
| No filing history on record for this holder in this stock. | ||||||