STATE OF WISCONSIN INVESTMENT BOARD
Position in ALNY — Alnylam Pharmaceuticals, Inc.
CIK 854157
MADISON, WI
Position in ALNY
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$21,123,576
-$1,667,742 QoQ
Shares Held
70,171
+1.9% QoQ
Ownership
0.052%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#123
of 784 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ALNY Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026STATE OF WISCONSIN INVESTMENT BOARD holds $511,704,326 across 163 Biotechnology names. ALNY ranks #3 (4.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
135,798 | $67,454,940 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
55,287 | $34,473,655 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
This page
|
70,171 | $21,123,576 | |
| 4 | RVMD |
Revolution Medicines, Inc.
|
83,892 | $15,711,293 | |
| 5 | XENE |
Xenon Pharmaceuticals Inc.
|
248,821 | $15,018,835 | |
| 6 | MRNA |
Moderna, Inc.
|
207,705 | $14,545,581 | |
| 7 | INSM |
INSMED Inc
|
118,057 | $12,587,237 | |
| 8 | RPRX |
Royalty Pharma plc
|
213,373 | $11,963,824 |
All Filings in ALNY
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $21,123,576 | 70,171 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $22,791,318 | 68,883 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $26,270,747 | 66,065 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $31,249,224 | 68,529 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $25,469,585 | 78,106 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $19,753,313 | 73,155 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $18,442,421 | 78,375 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $21,753,222 | 79,094 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $18,938,448 | 77,936 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $10,269,307 | 68,714 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $38,370,048 | 200,460 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $35,757,375 | 201,905 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $42,015,487 | 221,204 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $36,619,898 | 182,807 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $20,303,390 | 85,434 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $18,088,259 | 90,369 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $35,234,005 | 241,577 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $19,189,677 | 117,519 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $15,805,025 | 93,201 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $18,765,825 | 99,390 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $19,517,176 | 115,132 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $17,204,989 | 121,857 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $23,889,655 | 183,809 | Shares | Sole | 2021-02-03 | |
| 2020-09-30 | $27,446,182 | 188,504 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $20,958,157 | 141,504 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $14,770,291 | 135,694 | Shares | Sole | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||