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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
176
$462K
177
$444K
178
$444K
179
$431K
180
$420K
181
$419K
182
$406K
183
$403K
184
$390K
185
$389K
186
$386K
187
$377K
188
$371K
189
$369K
190
$362K
191
$362K
192
$361K
193
$356K
194
$355K
195
$355K
196
$351K
197
$349K
198
$348K
199
$343K
200
$328K