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Arrowhead Research

280 hedge funds and large institutions have $1.67B invested in Arrowhead Research in 2025 Q2 according to their latest regulatory filings, with 59 funds opening new positions, 96 increasing their positions, 79 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

1.3% more ownership

Funds ownership: 75.34%76.64% (+1.3%)

22% less call options, than puts

Call options by funds: $8.24M | Put options by funds: $10.6M

40% less funds holding in top 10

Funds holding in top 10: 53 (-2)

Holders
280
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$8.24M
Puts
$10.6M
Net Calls
Net Calls Change

Top Buyers

1 +$36.7M
2 +$33.1M
3 +$29.3M
4
BBA
Baker Bros. Advisors
New York
+$14.8M
5
TI
Trexquant Investment
Connecticut
+$7.96M

Top Sellers

1 -$33.2M
2 -$27M
3 -$14.6M
4
Two Sigma Investments
Two Sigma Investments
New York
-$11.1M
5
State Street
State Street
Massachusetts
-$9.93M
Name Holding Trade Value Shares
Change
Change in
Stake
PFCS
176
Pale Fire Capital SE
Czech Republic
$214K
MLL
177
Moody Lynn & Lieberson
Massachusetts
$213K
Nomura Holdings
178
Nomura Holdings
Japan
$213K
SEI Investments
179
SEI Investments
Pennsylvania
$212K
AACP
180
Advantage Alpha Capital Partners
California
$204K
SC
181
Savant Capital
Illinois
$201K
Neuberger Berman Group
182
Neuberger Berman Group
New York
$200K
AIP
183
Ameritas Investment Partners
Nebraska
$197K
WA
184
Wealth Architects
California
$194K
SC
185
Scotia Capital
Ontario, Canada
$186K
RAM
186
Resona Asset Management
Japan
$180K
Carson Wealth (CWM LLC)
187
Carson Wealth (CWM LLC)
Nebraska
$180K
AFO
188
Arrowroot Family Office
California
$179K
PAG
189
Private Advisor Group
New Jersey
$178K
SRL
190
Scientech Research LLC
New Jersey
$173K
TRCT
191
Tower Research Capital (TRC)
New York
$168K
PNC Financial Services Group
192
PNC Financial Services Group
Pennsylvania
$167K
NSEDCP
193
NJ State Employees Deferred Compensation Plan
New Jersey
$166K
BPC
194
Bryce Point Capital
New York
$164K
BFA
195
Beaumont Financial Advisors
Massachusetts
$162K
WC
196
Wexford Capital
Florida
$146K
SOW
197
State of Wyoming
Wyoming
$142K
SG Americas Securities
198
SG Americas Securities
New York
$137K
VIA
199
Virtus Investment Advisers
Connecticut
$91.6K
Lazard Asset Management
200
Lazard Asset Management
New York
$91K