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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 %
KBC Group
201
KBC Group
Belgium
$75K -$41.2K -2,607 -35%
Daiwa Securities Group
202
Daiwa Securities Group
Japan
$66K +$59.3K +3,763 +883%
APW
203
Atlantic Private Wealth
North Carolina
$63.2K – – –
GFM
204
GF Fund Management
China
$50.3K – – –
VanEck Associates
205
VanEck Associates
New York
$49K -$1.07K -68 -2%
Nisa Investment Advisors
206
Nisa Investment Advisors
Missouri
$47.9K +$20.7K +1,308 +76%
Russell Investments Group
207
Russell Investments Group
United Kingdom
$42.6K -$46.3K -2,933 -52%
VEA
208
Virtus ETF Advisers
New York
$33.5K +$33.5K +2,122 New
PTC
209
Private Trust Company
Ohio
$29K – – –
FF
210
Friedenthal Financial
New Jersey
$26.4K – – –
GI
211
GAMMA Investing
California
$25.2K -$9.13K -578 -27%
Acadian Asset Management
212
Acadian Asset Management
Massachusetts
$24K +$24K +1,542 New
Fifth Third Bancorp
213
Fifth Third Bancorp
Ohio
$21.6K +$14.1K +894 +190%
NA
214
NewEdge Advisors
Louisiana
$20.5K -$16 -1 -0.1%
TIM
215
Total Investment Management
Arizona
$19.7K +$19.7K +1,244 New
JFGIW
216
Johnson Financial Group Inc (Wisconsin)
Wisconsin
$19.2K – – –
MYIA
217
Mount Yale Investment Advisors
Colorado
$19K +$19K +1,200 New
SO
218
STRS Ohio
Ohio
$19K +$19K +1,200 New
BNP Paribas Asset Management
219
BNP Paribas Asset Management
France
$17K +$17K +1,048 New
EWA
220
EverSource Wealth Advisors
Alabama
$15.8K +$11.9K +755 +306%
CIBC Private Wealth Group
221
CIBC Private Wealth Group
Georgia
$15.8K – – –
MCM
222
Manchester Capital Management
Vermont
$15.5K +$8.53K +540 +123%
Bessemer Group
223
Bessemer Group
New Jersey
$15K +$11K +686 +274%
CAM
224
Costello Asset Management
Pennsylvania
$14.9K -$790 -50 -5%
MCM
225
MAI Capital Management
Ohio
$14.3K +$3.21K +203 +29%
7 8
9
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