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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
ORI
126
Oak Ridge Investments
Illinois
$430K
Zurich Cantonal Bank
127
Zurich Cantonal Bank
Switzerland
$428K
Commonwealth Equity Services
128
Commonwealth Equity Services
Massachusetts
$425K
US Bancorp
129
US Bancorp
Minnesota
$422K
VOYA Investment Management
130
VOYA Investment Management
Georgia
$410K
ASRS
131
Arizona State Retirement System
Arizona
$409K
COPPSERS
132
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$384K
Teacher Retirement System of Texas
133
Teacher Retirement System of Texas
Texas
$384K
BMM
134
Buffington Mohr McNeal
Idaho
$382K
Edgewood Management
135
Edgewood Management
Connecticut
$382K
TE
136
Tema ETFs
New York
$381K
NIM
137
NEOS Investment Management
Connecticut
$381K
State Board of Administration of Florida Retirement System
138
State Board of Administration of Florida Retirement System
Florida
$379K
OPERF
139
Oregon Public Employees Retirement Fund
Oregon
$368K
LPL Financial
140
LPL Financial
California
$349K
DTL
141
Dynamic Technology Lab
Singapore
$343K
CWM
142
CIBC World Markets
New York
$337K
Creative Planning
143
Creative Planning
Kansas
$337K
PFSRSONJ
144
Police & Firemen's Retirement System of New Jersey
New Jersey
$324K
CUAMC
145
China Universal Asset Management Company
China
$322K
KK
146
KLP Kapitalforvaltning
Norway
$294K
Assenagon Asset Management
147
Assenagon Asset Management
Luxembourg
$289K
Bank of Montreal
148
Bank of Montreal
Ontario, Canada
$256K
TI
149
Tidal Investments
Wisconsin
$250K
CAPTRUST Financial Advisors
150
CAPTRUST Financial Advisors
North Carolina
$248K