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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
76
$3.13M
77
$3.1M
78
$2.88M
79
$2.85M
80
$2.83M
81
$2.82M
82
$2.8M
83
$2.78M
84
$2.77M
85
$2.5M
86
$2.48M
87
$2.47M
88
$2.4M
89
$2.32M
90
$2.28M
91
$2.25M
92
$2.24M
93
$2.19M
94
$2.17M
95
$1.92M
96
$1.88M
97
$1.86M
98
$1.79M
99
$1.78M
100
$1.76M