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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
51
$2.3M
52
$2.28M
53
$2.23M
54
$2.17M
55
$2.08M
56
$1.97M
57
$1.91M
58
$1.89M
59
$1.8M
60
$1.68M
61
$1.68M
62
$1.61M
63
$1.61M
64
$1.5M
65
$1.47M
66
$1.43M
67
$1.31M
68
$1.31M
69
$1.29M
70
$1.27M
71
$1.25M
72
$1.2M
73
$1.19M
74
$1.19M
75
$1.18M