ARWR icon

Arrowhead Research
ARWR

Overview Fund Activity

277 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, 95 increasing their positions, 79 reducing their positions, and 37 closing their positions.

Holders
277
Holders Change
+16
Holders Change %
+6.13%
% of All Funds
3.72%
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
95
Reduced
79
Closed
37
Calls
$7.07M
Puts
$10M
Net Calls
-$2.98M
Net Calls Change
-$1.39M

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$245M
2
Marshall Wace
2
Marshall Wace
United Kingdom
$34.1M
3
Norges Bank
3
Norges Bank
Norway
$30.4M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$81.7M
5
BBA
5
Baker Bros. Advisors
New York
$14.8M

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 Market Value Shares Shares
Change 		Shares
Change %
Franklin Resources
76
Franklin Resources
California
$1.28M 81,226 +81,226 New
PIA
77
Pinion Investment Advisors
Kansas
$1.19M 75,000 -75,000 -50%
SOADOR
78
State of Alaska Department of Revenue
Alaska
$1.18M 74,819 +4,949 +7%
AA
79
ALPS Advisors
Colorado
$1.18M 74,497 +74,497 New
EGM
80
Engineers Gate Manager
New York
$1.18M 74,405 +33,837 +83%
MIM
81
MetLife Investment Management
New Jersey
$1.14M 71,963 – –
Wells Fargo
82
Wells Fargo
California
$1.08M 68,374 +1,034 +2%
MCM
83
M28 Capital Management
Connecticut
$1.06M 67,400 – –
State of Wisconsin Investment Board
84
State of Wisconsin Investment Board
Wisconsin
$1.02M 64,760 -1,571 -2%
Arrowstreet Capital
85
Arrowstreet Capital
Massachusetts
$1.01M 64,200 +64,200 New
Manulife (Manufacturers Life Insurance)
86
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.01M 63,999 -1,686 -3%
Citadel Advisors
87
Citadel Advisors
Florida
$983K 62,245 -924,706 -94%
BFM
88
Boothbay Fund Management
New York
$979K 61,947 +61,947 New
IIM
89
INTECH Investment Management
Florida
$956K 60,534 -21,619 -26%
BC
90
Bayforest Capital
United Kingdom
$939K 59,403 +59,403 New
LSERS
91
Louisiana State Employees Retirement System
Louisiana
$927K 58,700 -700 -1%
Commonwealth Equity Services
92
Commonwealth Equity Services
Massachusetts
$921K 58,310 +24,946 +75%
Los Angeles Capital Management
93
Los Angeles Capital Management
California
$916K 57,948 +57,948 New
Simplex Trading
94
Simplex Trading
Illinois
$905K 57,307 +215 +0.4%
ACM
95
ADAR1 Capital Management
Texas
$872K 55,200 -1,100 -2%
State of Tennessee, Department of Treasury
96
State of Tennessee, Department of Treasury
Tennessee
$862K 54,550 -686 -1%
VOYA Investment Management
97
VOYA Investment Management
Georgia
$842K 53,264 +21,080 +65%
Luther King Capital Management (LKCM)
98
Luther King Capital Management (LKCM)
Texas
$824K 52,140 -31,450 -38%
GC
99
Guggenheim Capital
Illinois
$803K 50,818 -2,440 -5%
Janus Henderson Group
100
Janus Henderson Group
United Kingdom
$788K 49,845 – –
2 3
4
5 6