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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 %
WTA
226
Washington Trust Advisors
Massachusetts
$13K – – –
Jones Financial Companies
227
Jones Financial Companies
Missouri
$12.8K +$547 +34 +4%
SIS
228
Sound Income Strategies
Florida
$12.7K – – –
MPWT
229
MassMutual Private Wealth & Trust
Connecticut
$11.2K +$9.95K +630 +778%
STB
230
S&T Bank
Pennsylvania
$10.8K – – –
SPIA
231
Steward Partners Investment Advisory
New York
$9.56K – – –
AF
232
Allworth Financial
California
$8.71K +$2.62K +166 +43%
CA
233
Clearstead Advisors
Ohio
$8.36K +$8.34K +528 +52,800%
RBI
234
Raiffeisen Bank International
Austria
$7.9K – – –
UB
235
UMB Bank
Missouri
$7.52K +$1.72K +109 +30%
S
236
SignatureFD
Georgia
$7.3K +$1.17K +74 +19%
BIG
237
Brooklyn Investment Group
New York
$7.21K +$3.92K +248 +119%
C
238
Covestor
United Kingdom
$7K +$31 +2 +0.4%
RIL
239
Rothschild Investment LLC
Illinois
$5.53K +$4.42K +280 +400%
SCM
240
Sterling Capital Management
North Carolina
$4.6K +$2.67K +169 +139%
NS
241
NBC Securities
Alabama
$4K – – –
Northwestern Mutual Wealth Management
242
Northwestern Mutual Wealth Management
Wisconsin
$3.7K – – –
GRP
243
Global Retirement Partners
California
$3.59K +$3.59K +227 New
PA
244
Parallel Advisors
California
$3.38K +$2.45K +155 +263%
PWMG
245
Private Wealth Management Group
New Jersey
$3.26K +$3.26K +206 New
VNA
246
Valley National Advisers
Pennsylvania
$3K – – –
HFS
247
Hantz Financial Services
Michigan
$3K +$2.67K +154 +811%
TCM
248
Tradewinds Capital Management
Washington
$2.92K – – –
SRCM
249
Signature Resources Capital Management
California
$2.84K – – –
WA
250
WPG Advisers
Maryland
$2.8K +$980 +62 +54%
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10
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