STATE OF WISCONSIN INVESTMENT BOARD
Position in DYN — Dyne Therapeutics, Inc.
CIK 854157
MADISON, WI
Position in DYN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$1,548,081
+$304,889 QoQ
Shares Held
69,702
+1.6% QoQ
Ownership
0.037%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#106
of 245 holders
Holding Since
Jun 2021
20 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in DYN 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. DYN ranks #76 (0.3% 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.
|
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 DYN
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,548,081 | 69,702 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $1,243,192 | 68,571 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $1,245,052 | 63,653 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $505,481 | 39,959 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $755,450 | 79,354 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $717,869 | 68,630 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $1,752,345 | 74,378 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $1,979,299 | 55,103 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $1,819,199 | 51,550 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $1,144,571 | 40,316 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $272,131 | 20,461 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $189,262 | 21,123 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $331,582 | 29,474 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $357,799 | 31,059 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $287,779 | 24,830 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $439,508 | 34,607 | Shares | Sole | 2022-11-14 | |
| 2022-03-31 | $374,996 | 38,900 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $462,521 | 38,900 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $631,736 | 38,900 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $795,438 | 37,806 | Shares | Sole | 2021-08-12 | |
| No filing history on record for this holder in this stock. | ||||||