State of Wisconsin Investment Board’s Arrowhead Research ARWR Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $5.8M | Sell |
71,181
-6,666
| -9% | -$492K | 0.01% | 968 |
|
|
2026
Q1 | $4.88M | Sell |
77,847
-1,367
| -2% | -$86.5K | 0.01% | 1000 |
|
|
2025
Q4 | $5.26M | Buy |
79,214
+14,339
| +22% | +$703K | 0.01% | 981 |
|
|
2025
Q3 | $2.24M | Buy |
64,875
+115
| +0.2% | +$2.53K | 0.01% | 1312 |
|
|
2025
Q2 | $1.02M | Sell |
64,760
-1,571
| -2% | -$22.5K | ﹤0.01% | 1568 |
|
|
2025
Q1 | $845K | Buy |
66,331
+280
| +0.4% | +$5.09K | ﹤0.01% | 1546 |
|
|
2024
Q4 | $1.24M | Sell |
66,051
-1,717
| -3% | -$35.4K | ﹤0.01% | 1442 |
|
|
2024
Q3 | $1.31M | Sell |
67,768
-3,862
| -5% | -$94.3K | ﹤0.01% | 1474 |
|
|
2024
Q2 | $1.86M | Sell |
71,630
-3,996
| -5% | -$98.2K | ﹤0.01% | 1322 |
|
|
2024
Q1 | $2.16M | Sell |
75,626
-7,874
| -9% | -$252K | 0.01% | 1223 |
|
|
2023
Q4 | $2.56M | Sell |
83,500
-1,869
| -2% | -$49.6K | 0.01% | 1181 |
|
|
2023
Q3 | $2.29M | Sell |
85,369
-2,921
| -3% | -$89.5K | 0.01% | 1214 |
|
|
2023
Q2 | $3.15M | Sell |
88,290
-4,754
| -5% | -$164K | 0.01% | 1160 |
|
|
2023
Q1 | $2.36M | Sell |
93,044
-7,793
| -8% | -$245K | 0.01% | 1248 |
|
|
2022
Q4 | $4.09M | Sell |
100,837
-1,689
| -2% | -$56K | 0.01% | 1054 |
|
|
2022
Q3 | $3.39M | Sell |
102,526
-5,295
| -5% | -$214K | 0.01% | 1132 |
|
|
2022
Q2 | $3.8M | Sell |
107,821
-27,979
| -21% | -$1.05M | 0.01% | 1137 |
|
|
2022
Q1 | $6.25M | Hold |
135,800
| – | – | 0.01% | 1043 |
|
|
2021
Q4 | $9M | Sell |
135,800
-400
| -0.3% | -$27.5K | 0.02% | 827 |
|
|
2021
Q3 | $8.5M | Buy |
136,200
+1,400
| +1% | +$90.6K | 0.02% | 829 |
|
|
2021
Q2 | $11.2M | Sell |
134,800
-3,000
| -2% | -$223K | 0.02% | 705 |
|
|
2021
Q1 | $9.14M | Sell |
137,800
-2,900
| -2% | -$225K | 0.02% | 774 |
|
|
2020
Q4 | $10.8M | Sell |
140,700
-20,300
| -13% | -$1.3M | 0.03% | 656 |
|
|
2020
Q3 | $6.93M | Hold |
161,000
| – | – | 0.02% | 797 |
|
|
2020
Q2 | $6.95M | Buy |
161,000
+6,400
| +4% | +$226K | 0.02% | 760 |
|
|
2020
Q1 | $4.45M | Buy |
154,600
+15,000
| +11% | +$605K | 0.01% | 829 |
|
|
2019
Q4 | $8.86M | Hold |
139,600
| – | – | 0.02% | 721 |
|
|
2019
Q3 | $3.93M | Buy |
139,600
+3,500
| +3% | +$104K | 0.01% | 877 |
|
|
2019
Q2 | $3.61M | Buy |
136,100
+14,000
| +11% | +$307K | 0.01% | 898 |
|
|
2019
Q1 | $2.24M | Buy |
122,100
+32,100
| +36% | +$530K | 0.01% | 979 |
|
|
2018
Q4 | $1.12M | Buy |
90,000
+1,300
| +1% | +$17.8K | ﹤0.01% | 1098 |
|
|
2018
Q3 | $1.7M | Hold |
88,700
| – | – | ﹤0.01% | 1069 |
|
|
2018
Q2 | $1.21M | Buy |
+88,700
| New | +$829K | ﹤0.01% | 1104 |
|
Other funds holding ARWR
ACA
FAM
State of Wisconsin Investment Board's ARWR Position: Q2 2026 in Review
State of Wisconsin Investment Board reduced its Arrowhead Research (ARWR) stake by 8.6% in Q2 2026, selling an estimated $492K and leaving 71,181 shares worth $5.8M. The position accounts for 0.01% of the portfolio, ranked #968.
State of Wisconsin Investment Board first reported a position in ARWR in Q2 2018 and has held it in 33 quarters since. The position peaked at $11.2M in Q2 2021. 500 funds tracked by Wall St. Rank hold ARWR as of Q2 2026.
- State of Wisconsin Investment Board held 71,181 shares of Arrowhead Research worth $5.8M as of Q2 2026.
- State of Wisconsin Investment Board sold 6,666 Arrowhead Research shares in Q2 2026, an estimated $492K.
- Arrowhead Research made up 0.01% of State of Wisconsin Investment Board's portfolio in Q2 2026, its #968 holding.
- State of Wisconsin Investment Board first reported a position in Arrowhead Research in Q2 2018 and has held it in 33 quarters since.
- State of Wisconsin Investment Board's Arrowhead Research position peaked at $11.2M in Q2 2021.
- 500 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2026.
Based on State of Wisconsin Investment Board's 13F filing for Q2 2026, filed 14 Aug 2026.