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Arrowhead Research

261 hedge funds and large institutions have $1.32B invested in Arrowhead Research in 2025 Q1 according to their latest regulatory filings, with 42 funds opening new positions, 87 increasing their positions, 81 reducing their positions, and 47 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

less ownership

Funds ownership:

11% less first-time investments, than exits

New positions opened: 42 | Existing positions closed: 47

25% less call options, than puts

Call options by funds: $4.66M | Put options by funds: $6.24M

30% less capital invested

Capital invested by funds: $1.87B → $1.32B (-$555M)

Holders
261
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
5
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$4.66M
Puts
$6.24M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
151
$244K
152
$236K
153
$236K
154
$234K
155
$230K
156
$221K
157
$218K
158
$207K
159
$201K
160
$201K
161
$195K
162
$194K
163
$188K
164
$185K
165
$184K
166
$174K
167
$173K
168
$168K
169
$166K
170
$165K
171
$159K
172
$158K
173
$156K
174
$156K
175
$144K