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Arrowhead Research
ARWR

Overview Fund Activity

279 hedge funds and large institutions have $1.67B invested in Arrowhead Research in 2025 Q2 according to their latest regulatory filings, with 58 funds opening new positions, 96 increasing their positions, 79 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
279
Holders Change
+18
Holders Change %
+6.9%
% of All Funds
3.74%
Holding in Top 10
3
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-40%
% of All Funds
0.04%
New
58
Increased
96
Reduced
79
Closed
38
Calls
$8.24M
Puts
$10.6M
Net Calls
-$2.33M
Net Calls Change
-$746K

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$245M
2
Marshall Wace
2
Marshall Wace
United Kingdom
$34.1M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$81.7M
4
BBA
4
Baker Bros. Advisors
New York
$14.8M
5
TI
5
Trexquant Investment
Connecticut
$7.96M

Top Sellers

1
UBS AM
1
UBS AM
Illinois
$42.4M
2
T. Rowe Price Investment Management
2
T. Rowe Price Investment Management
Maryland
$13M
3
Citadel Advisors
3
Citadel Advisors
Florida
$983K
4
Two Sigma Investments
4
Two Sigma Investments
New York
$2.11M
5
State Street
5
State Street
Massachusetts
$101M
Name Holding Trade Value Shares
Change 		Shares
Change %
DTL
151
Dynamic Technology Lab
Singapore
$309K -$118K -7,436 -28%
Group One Trading
152
Group One Trading
Illinois
$306K +$306K +19,354 New
TCM
153
Teza Capital Management
Illinois
$300K +$300K +18,961 New
GAM
154
Gotham Asset Management
New York
$298K +$298K +18,863 New
M
155
MYeCFO
California
$292K – – –
Focus Partners Wealth
156
Focus Partners Wealth
Massachusetts
$281K +$24.4K +1,543 +9%
Pathstone Holdings
157
Pathstone Holdings
New Jersey
$279K +$279K +17,635 New
IC
158
IEQ Capital
California
$272K +$272K +17,189 New
Corient Private Wealth
159
Corient Private Wealth
Florida
$269K +$269K +17,056 New
CAPTRUST Financial Advisors
160
CAPTRUST Financial Advisors
North Carolina
$269K -$37.8K -2,395 -12%
CF
161
Cantor Fitzgerald
New York
$269K +$269K +17,000 New
EF
162
Empowered Funds
Pennsylvania
$266K +$25.3K +1,603 +11%
Wealth Enhancement Advisory Services
163
Wealth Enhancement Advisory Services
Minnesota
$262K +$262K +15,580 New
MOACM
164
Mutual of America Capital Management
New York
$255K -$35.1K -2,219 -12%
Cerity Partners
165
Cerity Partners
New York
$251K +$75.6K +4,785 +43%
EFM
166
E Fund Management
China
$250K -$35K -2,216 -12%
FCM
167
Farallon Capital Management
California
$250K – – –
IA
168
IFP Advisors
Florida
$241K -$15.3K -947 -6%
CWM
169
CIBC World Markets
New York
$235K -$184K -11,625 -44%
DI
170
DDFG Inc
California
$233K – – –
Mitsubishi UFJ Asset Management
171
Mitsubishi UFJ Asset Management
Japan
$232K +$3.57K +226 +2%
Public Employees Retirement Association of Colorado
172
Public Employees Retirement Association of Colorado
Colorado
$230K – – –
Wolverine Trading
173
Wolverine Trading
Illinois
$229K -$28.2K -1,755 -11%
WIA
174
World Investment Advisors
California
$218K -$75.5K -4,780 -26%
PFCS
175
Pale Fire Capital SE
Czech Republic
$214K +$21.3K +1,350 +11%
5 6
7
8 9