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Arrowhead Research

396 hedge funds and large institutions have $7.7B invested in Arrowhead Research in 2025 Q4 according to their latest regulatory filings, with 124 funds opening new positions, 125 increasing their positions, 109 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

15% more repeat investments, than reductions

Existing positions increased: 125 | Existing positions reduced: 109

14% more funds holding in top 10

Funds holding in top 10: 78 (+1)

5.1% more ownership

Funds ownership: 80.3%85.4% (+5.1%)

Holders
396
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
8
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$148M
Puts
$38.8M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
VCM
126
Voleon Capital Management
California
$2.82M
State of New Jersey Common Pension Fund D
127
State of New Jersey Common Pension Fund D
New Jersey
$2.82M
ECM
128
ExodusPoint Capital Management
New York
$2.79M
New York State Common Retirement Fund
129
New York State Common Retirement Fund
New York
$2.78M
BFM
130
Boothbay Fund Management
New York
$2.69M
BNP Paribas Financial Markets
131
BNP Paribas Financial Markets
France
$2.68M
NAMI
132
Nomura Asset Management International
Pennsylvania
$2.66M
AB
133
Amalgamated Bank
New York
$2.66M
MF
134
Magnetar Financial
Illinois
$2.65M
EWA
135
EP Wealth Advisors
California
$2.57M
FISPB
136
Fideuram - Intesa Sanpaolo Private Banking
$2.57M
Handelsbanken Fonder
137
Handelsbanken Fonder
Sweden
$2.56M
SOAM
138
SBI Okasan Asset Management
Japan
$2.54M
Natixis Advisors
139
Natixis Advisors
Massachusetts
$2.5M
YCM
140
Yousif Capital Management
Michigan
$2.49M
PA
141
Profund Advisors
Maryland
$2.43M
EP
142
Edgestream Partners
New Jersey
$2.42M
PAM
143
Panagora Asset Management
Massachusetts
$2.39M
KCM
144
Kornitzer Capital Management
Kansas
$2.38M
PFSRSONJ
145
Police & Firemen's Retirement System of New Jersey
New Jersey
$2.36M
ASRS
146
Arizona State Retirement System
Arizona
$2.32M
TRSOTSOK
147
Teachers Retirement System of the State of Kentucky
Kentucky
$2.31M
US Bancorp
148
US Bancorp
Minnesota
$2.29M
COPPSERS
149
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$2.27M
ProShare Advisors
150
ProShare Advisors
Maryland
$2.11M