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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
26
$7.16M
27
$7.01M
28
$6.21M
29
$6.16M
30
$5.86M
31
$5.09M
32
$5.03M
33
$4.41M
34
$4.3M
35
$4.17M
36
$4M
37
$3.97M
38
$3.89M
39
$3.69M
40
$3.65M
41
$3.56M
42
$3.54M
43
$3.18M
44
$3.15M
45
$3.06M
46
$3.05M
47
$2.93M
48
$2.76M
49
$2.72M
50
$2.46M