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Arrowhead Research

432 hedge funds and large institutions have $7.58B invested in Arrowhead Research in 2026 Q1 according to their latest regulatory filings, with 105 funds opening new positions, 167 increasing their positions, 112 reducing their positions, and 62 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
432
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
11
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$106M
Puts
$55.8M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
BIA
426
Bell Investment Advisors
California
$502
TFA
427
Transamerica Financial Advisors
Florida
$313
HFS
428
Hughes Financial Services
Virginia
$251
SWM
429
SHP Wealth Management
Massachusetts
$125
DF
430
Dunhill Financial
United Kingdom
$86
TFM
431
TFC Financial Management
Massachusetts
$63
KFAS
432
Keating Financial Advisory Services
Kansas
$63
SPC
433
Slate Path Capital
New York
Norges Bank
434
Norges Bank
Norway
Adage Capital Partners
435
Adage Capital Partners
Massachusetts
Public Sector Pension Investment Board (PSP Investments)
436
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
Voloridge Investment Management
437
Voloridge Investment Management
Florida
FFM
438
FengHe Fund Management
Singapore
HIM
439
Hillsdale Investment Management
Ontario, Canada
Skandinaviska Enskilda Banken (SEB)
440
Skandinaviska Enskilda Banken (SEB)
Sweden
WAM
441
Weiss Asset Management
Massachusetts
Millennium Management
442
Millennium Management
New York
CM
443
Caption Management
Oklahoma
ECM
444
ExodusPoint Capital Management
New York
MF
445
Magnetar Financial
Illinois
MLL
446
Moody Lynn & Lieberson
Massachusetts
MSRPS
447
Maryland State Retirement & Pension System
Maryland
OAM
448
Oxford Asset Management
United Kingdom
SGI
449
Summit Global Investments
Utah
BBA
450
Baader Bank Aktiengesellschaft
Germany