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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
TRSOTSOK
126
Teachers Retirement System of the State of Kentucky
Kentucky
$1.14M
ASRS
127
Arizona State Retirement System
Arizona
$1.13M
GAM
128
Gotham Asset Management
New York
$1.1M
NIM
129
NEOS Investment Management
Connecticut
$1.1M
TE
130
Tema ETFs
New York
$1.1M
ORI
131
Oak Ridge Investments
Illinois
$1.09M
OPERF
132
Oregon Public Employees Retirement Fund
Oregon
$1.08M
ETC
133
Exchange Traded Concepts
Oklahoma
$1.07M
Amundi
134
Amundi
France
$1.06M
Edgewood Management
135
Edgewood Management
Connecticut
$1.03M
State Board of Administration of Florida Retirement System
136
State Board of Administration of Florida Retirement System
Florida
$1.03M
PA
137
Profund Advisors
Maryland
$1.02M
WG
138
Winton Group
United Kingdom
$998K
PCM
139
Prelude Capital Management
New York
$988K
ProShare Advisors
140
ProShare Advisors
Maryland
$964K
Teacher Retirement System of Texas
141
Teacher Retirement System of Texas
Texas
$933K
ACM
142
Aquatic Capital Management
Illinois
$885K
N
143
Natixis
France
$865K
KK
144
KLP Kapitalforvaltning
Norway
$838K
JIC
145
Johnson Investment Counsel
Ohio
$781K
Two Sigma Advisers
146
Two Sigma Advisers
New York
$750K
Ensign Peak Advisors
147
Ensign Peak Advisors
Utah
$745K
D.E. Shaw & Co
148
D.E. Shaw & Co
New York
$700K
MSRPS
149
Maryland State Retirement & Pension System
Maryland
$686K
CAPTRUST Financial Advisors
150
CAPTRUST Financial Advisors
North Carolina
$684K