654 hedge funds and large institutions have $10.5B invested in Arm in 2025 Q3 according to their latest regulatory filings, with 102 funds opening new positions, 245 increasing their positions, 180 reducing their positions, and 96 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
654
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$5.24B
Puts
$5.43B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
HI
251
Horizon Investments
North Carolina
$1.48M
SPIA
252
Steward Partners Investment Advisory
New York
$1.46M
WH
253
Willner & Heller
California
$1.46M
FDCDDQ
254
Federation des caisses Desjardins du Quebec
Quebec, Canada
$1.45M
Canada Pension Plan Investment Board
255
Canada Pension Plan Investment Board
Ontario, Canada
$1.45M
SGCA
256
Steel Grove Capital Advisors
Tennessee
$1.44M
CCMT
257
CMT Capital Markets Trading
Germany
$1.42M
FMLI
258
Fukoku Mutual Life Insurance
Japan
$1.41M
LSERS
259
Louisiana State Employees Retirement System
Louisiana
$1.41M
BP
260
BNP Paribas
France
$1.39M
PWM
261
Perigon Wealth Management
California
$1.39M
MML Investors Services
262
MML Investors Services
Massachusetts
$1.38M
Capstone Investment Advisors
263
Capstone Investment Advisors
New York
$1.36M
HCA
264
Harbour Capital Advisors
Virginia
$1.35M
EWA
265
EverSource Wealth Advisors
Alabama
$1.35M
OCBCO
266
Oversea-Chinese Banking Corp (OCBC)
Singapore
$1.34M
RIM
267
Rakuten Investment Management
Japan
$1.32M
PGWM
268
Parisi Gray Wealth Management
New Jersey
$1.31M
SBWIC
269
Schaper Benz & Wise Investment Counsel
Wisconsin
$1.31M
TFS
270
Thoroughbred Financial Services
Tennessee
$1.31M
YIH
271
Y-Intercept (HK)
Hong Kong
$1.3M
Corient Private Wealth
272
Corient Private Wealth
Florida
$1.3M
EAM
273
Empirical Asset Management
Massachusetts
$1.3M
FFG
274
Fortem Financial Group
California
$1.28M
MSFS
275
Main Street Financial Solutions
Pennsylvania
$1.26M