STATE OF WISCONSIN INVESTMENT BOARD
Position in ARWR — Arrowhead Pharmaceuticals, Inc.
CIK 854157
MADISON, WI
Position in ARWR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$5,801,963
+$920,957 QoQ
Shares Held
71,181
-8.6% QoQ
Ownership
0.050%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#121
of 497 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ARWR 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. ARWR ranks #21 (1.1% 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.
|
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 ARWR
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $5,801,963 | 71,181 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $4,881,006 | 77,847 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $5,259,017 | 79,214 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $2,237,538 | 64,875 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $1,023,208 | 64,760 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $845,056 | 66,331 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $1,241,758 | 66,051 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $1,312,666 | 67,768 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $1,861,663 | 71,630 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $2,162,903 | 75,626 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $2,555,100 | 83,500 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $2,293,865 | 85,369 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $3,148,421 | 88,290 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $2,363,317 | 93,044 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $4,089,948 | 100,837 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $3,388,484 | 102,526 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $3,796,377 | 107,821 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $6,245,442 | 135,800 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $9,003,540 | 135,800 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $8,502,966 | 136,200 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $11,164,136 | 134,800 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $9,137,518 | 137,800 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $10,795,911 | 140,700 | Shares | Sole | 2021-02-03 | |
| 2020-09-30 | $6,932,660 | 161,000 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $6,953,590 | 161,000 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $4,447,842 | 154,600 | Shares | Sole | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||