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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 43 funds opening new positions, 86 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 first-time investments, than exits

New positions opened: | Existing positions closed:

less funds holding

Funds holding:

4.79% less ownership

Funds ownership: 80.13%75.34% (-4.8%)

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
GC
101
Guggenheim Capital
Illinois
$679K
SSA
102
Schonfeld Strategic Advisors
New York
$670K
Wellington Management Group
103
Wellington Management Group
Massachusetts
$670K
EAM
104
Erste Asset Management
Austria
$650K
ETC
105
Exchange Traded Concepts
Oklahoma
$627K
Ensign Peak Advisors
106
Ensign Peak Advisors
Utah
$618K
YCM
107
Yousif Capital Management
Michigan
$603K
OTPPB
108
Ontario Teachers' Pension Plan Board
Ontario, Canada
$583K
Victory Capital Management
109
Victory Capital Management
Texas
$577K
Royal Bank of Canada
110
Royal Bank of Canada
Ontario, Canada
$576K
PA
111
Profund Advisors
Maryland
$557K
Comerica Bank
112
Comerica Bank
Texas
$539K
Handelsbanken Fonder
113
Handelsbanken Fonder
Sweden
$525K
DekaBank Deutsche Girozentrale
114
DekaBank Deutsche Girozentrale
Germany
$518K
EGM
115
Engineers Gate Manager
New York
$517K
AQR Capital Management
116
AQR Capital Management
Connecticut
$514K
Jane Street
117
Jane Street
New York
$508K
Man Group
118
Man Group
United Kingdom
$498K
Raymond James Financial
119
Raymond James Financial
Florida
$480K
MSRPS
120
Maryland State Retirement & Pension System
Maryland
$471K
New York State Common Retirement Fund
121
New York State Common Retirement Fund
New York
$471K
AB
122
Amalgamated Bank
New York
$455K
TRSOTSOK
123
Teachers Retirement System of the State of Kentucky
Kentucky
$445K
Osaic Holdings
124
Osaic Holdings
Arizona
$444K
ProShare Advisors
125
ProShare Advisors
Maryland
$432K