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Arrowhead Research

262 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, 88 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
262
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
$248K
152
$244K
153
$236K
154
$236K
155
$234K
156
$230K
157
$221K
158
$218K
159
$207K
160
$201K
161
$201K
162
$195K
163
$194K
164
$188K
165
$185K
166
$184K
167
$174K
168
$173K
169
$168K
170
$166K
171
$165K
172
$159K
173
$158K
174
$156K
175
$156K