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Arrowhead Research

297 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, 78 reducing their positions, and 42 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:

29% more repeat investments, than reductions

Existing positions increased: 101 | Existing positions reduced: 78

6% more funds holding

Funds holding: 280297 (+17)

3.65% more ownership

Funds ownership: 76.62%80.27% (+3.6%)

Holders
297
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
PP
76
PDT Partners
New York
$3.13M
Hudson Bay Capital Management
77
Hudson Bay Capital Management
Connecticut
$3.1M
BFM
78
Boothbay Fund Management
New York
$2.88M
PIA
79
Pinion Investment Advisors
Kansas
$2.85M
EHC
80
Everett Harris & Co
California
$2.83M
TAM
81
TFG Asset Management
Cayman Islands
$2.82M
AG
82
Algert Global
California
$2.8M
Luther King Capital Management (LKCM)
83
Luther King Capital Management (LKCM)
Texas
$2.78M
Wells Fargo
84
Wells Fargo
California
$2.77M
Macquarie Group
85
Macquarie Group
Australia
$2.5M
MIM
86
MetLife Investment Management
New Jersey
$2.48M
EAM
87
Erste Asset Management
Austria
$2.47M
SOADOR
88
State of Alaska Department of Revenue
Alaska
$2.4M
MCM
89
M28 Capital Management
Connecticut
$2.32M
Commonwealth Equity Services
90
Commonwealth Equity Services
Massachusetts
$2.28M
AA
91
ALPS Advisors
Colorado
$2.25M
State of Wisconsin Investment Board
92
State of Wisconsin Investment Board
Wisconsin
$2.24M
LSERS
93
Louisiana State Employees Retirement System
Louisiana
$2.19M
Manulife (Manufacturers Life Insurance)
94
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$2.17M
Natixis Advisors
95
Natixis Advisors
Massachusetts
$1.92M
State of Tennessee, Department of Treasury
96
State of Tennessee, Department of Treasury
Tennessee
$1.88M
JG
97
Jain Global
New York
$1.86M
Creative Planning
98
Creative Planning
Kansas
$1.79M
Citigroup
99
Citigroup
New York
$1.78M
BNP Paribas Financial Markets
100
BNP Paribas Financial Markets
France
$1.76M