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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
JF
76
Jump Financial
Illinois
$1.12M
Luther King Capital Management (LKCM)
77
Luther King Capital Management (LKCM)
Texas
$1.06M
BNP Paribas Financial Markets
78
BNP Paribas Financial Markets
France
$1.06M
IIM
79
INTECH Investment Management
Florida
$1.05M
HF
80
HRT Financial
New York
$937K
MIM
81
MetLife Investment Management
New Jersey
$917K
GCP
82
GSA Capital Partners
United Kingdom
$913K
MF
83
Magnetar Financial
Illinois
$897K
SOADOR
84
State of Alaska Department of Revenue
Alaska
$890K
SG Americas Securities
85
SG Americas Securities
New York
$871K
MCM
86
M28 Capital Management
Connecticut
$859K
Wells Fargo
87
Wells Fargo
California
$858K
CP
88
CenterBook Partners
Connecticut
$852K
State of Wisconsin Investment Board
89
State of Wisconsin Investment Board
Wisconsin
$845K
Tudor Investment Corp
90
Tudor Investment Corp
Connecticut
$837K
Manulife (Manufacturers Life Insurance)
91
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$837K
CF
92
Corebridge Financial
Texas
$797K
Marshall Wace
93
Marshall Wace
United Kingdom
$761K
LSERS
94
Louisiana State Employees Retirement System
Louisiana
$757K
Simplex Trading
95
Simplex Trading
Illinois
$727K
TD Asset Management
96
TD Asset Management
Ontario, Canada
$721K
ACM
97
ADAR1 Capital Management
Texas
$717K
FRM
98
Fox Run Management
Connecticut
$706K
State of Tennessee, Department of Treasury
99
State of Tennessee, Department of Treasury
Tennessee
$704K
Janus Henderson Group
100
Janus Henderson Group
United Kingdom
$689K