WELLINGTON MANAGEMENT GROUP LLP
Position in ALNY — Alnylam Pharmaceuticals, Inc.
CIK 902219
Boston, MA
Position in ALNY
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$635,295,816
-$5,243,685 QoQ
Shares Held
2,110,407
+9.0% QoQ
Ownership
1.58%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
#14
of 780 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 0%
Shared 99%
None 1%
Common Shares in ALNY Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026WELLINGTON MANAGEMENT GROUP LLP holds $14,994,233,945 across 206 Biotechnology names. ALNY ranks #5 (4.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
3,247,658 | $1,613,209,155 | |
| 2 | ARGX |
Argenx SE
|
930,548 | $863,334,513 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
|
1,270,087 | $791,950,042 | |
| 4 | RVMD |
Revolution Medicines, Inc.
|
3,843,415 | $719,794,757 | |
| 5 | ALNY |
Alnylam Pharmaceuticals, Inc.
This page
|
2,110,407 | $635,295,816 | |
| 6 | IONS |
Ionis Pharmaceuticals Inc
|
7,651,415 | $606,680,693 | |
| 7 | CYTK |
Cytokinetics Inc
|
6,931,770 | $590,517,483 | |
| 8 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
825,714 | $443,367,129 |
All Filings in ALNY
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $635,295,816 | 2,110,407 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $640,539,501 | 1,935,925 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $647,744,407 | 1,628,931 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $832,802,376 | 1,826,321 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $676,881,965 | 2,075,752 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $705,018,436 | 2,610,986 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $987,507,355 | 4,196,623 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $1,362,319,020 | 4,953,347 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,509,146,397 | 6,210,479 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $1,077,385,792 | 7,209,005 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $1,380,869,634 | 7,214,198 | Shares | Defined | 2024-02-12 | |
| 2023-09-30 | $1,139,074,256 | 6,431,814 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $1,152,516,599 | 6,067,793 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $1,232,724,604 | 6,153,777 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $1,481,530,533 | 6,234,086 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $1,191,811,283 | 5,954,293 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $847,807,086 | 5,812,870 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $1,148,661,376 | 7,034,487 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $1,160,678,434 | 6,844,430 | Shares | Defined | 2022-02-11 | |
| 2021-09-30 | $1,391,732,101 | 7,371,072 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $1,555,937,451 | 9,178,489 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $1,291,599,055 | 9,147,950 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $1,307,100,487 | 10,056,940 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $1,476,023,783 | 10,137,526 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $1,550,967,483 | 10,471,727 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $1,337,415,782 | 12,286,778 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||