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Arrowhead Research

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
Name Holding Trade Value Shares
Change
Shares
Change %
SFM
51
Sphera Funds Management
Israel
$3.21M -$1.18M -74,554 -27%
Raymond James Financial
52
Raymond James Financial
Florida
$2.68M +$2.09M +132,039 +350%
Millennium Management
53
Millennium Management
New York
$2.67M -$8.24M -521,755 -76%
WE
54
Wealth Effects
Massachusetts
$2.62M -$77.4K -4,900 -3%
AllianceBernstein
55
AllianceBernstein
Tennessee
$2.51M +$67.9K +4,300 +3%
PP
56
PDT Partners
New York
$2.42M +$2.42M +152,988 New
AQR Capital Management
57
AQR Capital Management
Connecticut
$2.41M +$1.77M +111,845 +276%
Prudential Financial
58
Prudential Financial
New Jersey
$2.4M +$117K +6,335 +5%
Mirae Asset Global ETFs Holdings
59
Mirae Asset Global ETFs Holdings
Hong Kong
$2.39M -$1.38M -87,053 -37%
New York State Teachers Retirement System (NYSTRS)
60
New York State Teachers Retirement System (NYSTRS)
New York
$2.35M +$1.58K +100 +0.1%
Rafferty Asset Management
61
Rafferty Asset Management
New York
$2.24M -$804K -50,866 -26%
Citigroup
62
Citigroup
New York
$2.22M -$2.95M -186,524 -57%
NICM
63
Neo Ivy Capital Management
New York
$2.18M +$2.18M +138,081 New
Two Sigma Investments
64
Two Sigma Investments
New York
$2.11M -$11.1M -701,771 -84%
KCM
65
Kornitzer Capital Management
Kansas
$2M
HighTower Advisors
66
HighTower Advisors
Illinois
$1.96M +$182K +11,524 +10%
Man Group
67
Man Group
United Kingdom
$1.88M +$1.26M +79,683 +204%
Canada Life
68
Canada Life
Manitoba, Canada
$1.84M -$29.5K -1,867 -2%
PIM
69
Platinum Investment Management
Australia
$1.75M +$199K +12,613 +13%
California State Teachers Retirement System (CalSTRS)
70
California State Teachers Retirement System (CalSTRS)
California
$1.64M +$20.6K +1,301 +1%
AG
71
Algert Global
California
$1.62M +$1.62M +102,490 New
T. Rowe Price Associates
72
T. Rowe Price Associates
Maryland
$1.59M +$117K +7,419 +8%
OTPPB
73
Ontario Teachers' Pension Plan Board
Ontario, Canada
$1.54M +$815K +51,569 +113%
EHC
74
Everett Harris & Co
California
$1.49M
ACM
75
Aquatic Capital Management
Illinois
$1.48M -$118K -7,452 -7%