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Arrowhead Research

304 hedge funds and large institutions have $3.83B invested in Arrowhead Research in 2025 Q3 according to their latest regulatory filings, with 66 funds opening new positions, 101 increasing their positions, 83 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more first-time investments, than exits

New positions opened: | Existing positions closed:

22% more repeat investments, than reductions

Existing positions increased: 101 | Existing positions reduced: 83

8% more funds holding

Funds holding: 282304 (+22)

3.65% more ownership

Funds ownership: 76.65%80.3% (+3.7%)

Holders
304
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$36.5M
Puts
$9.75M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
126
$1.14M
127
$1.13M
128
$1.1M
129
$1.1M
130
$1.1M
131
$1.09M
132
$1.08M
133
$1.07M
134
$1.06M
135
$1.03M
136
$1.03M
137
$1.02M
138
$998K
139
$988K
140
$964K
141
$933K
142
$885K
143
$865K
144
$838K
145
$781K
146
$750K
147
$745K
148
$740K
149
$700K
150
$686K