385 hedge funds and large institutions have $7.19B invested in Masimo in 2025 Q4 according to their latest regulatory filings, with 83 funds opening new positions, 99 increasing their positions, 131 reducing their positions, and 49 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more funds holding in top 10

Funds holding in top 10:

less ownership

Funds ownership:

13% less capital invested

Capital invested by funds: $8.29B → $7.19B (-$1.09B)

24% less repeat investments, than reductions

Existing positions increased: 99 | Existing positions reduced: 131

63% less call options, than puts

Call options by funds: $3.55M | Put options by funds: $9.69M

Holders
385
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.55M
Puts
$9.69M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
ACM
126
ADAR1 Capital Management
Texas
$1.95M
Brown Advisory
127
Brown Advisory
Maryland
$1.93M
TRSOTSOK
128
Teachers Retirement System of the State of Kentucky
Kentucky
$1.92M
Handelsbanken Fonder
129
Handelsbanken Fonder
Sweden
$1.92M
State of Tennessee, Department of Treasury
130
State of Tennessee, Department of Treasury
Tennessee
$1.91M
Sumitomo Mitsui Trust Group
131
Sumitomo Mitsui Trust Group
Japan
$1.9M
TI
132
Trexquant Investment
Connecticut
$1.81M
Ohio Public Employees Retirement System (OPERS)
133
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.81M
Mirae Asset Global ETFs Holdings
134
Mirae Asset Global ETFs Holdings
Hong Kong
$1.76M
AIP
135
Ameritas Investment Partners
Nebraska
$1.73M
QCM
136
Quantinno Capital Management
New York
$1.72M
LAM
137
LECAP Asset Management
United Kingdom
$1.72M
Empower Advisory Group
138
Empower Advisory Group
Colorado
$1.7M
JF
139
Jump Financial
Illinois
$1.68M
ASRS
140
Arizona State Retirement System
Arizona
$1.67M
XT
141
XTX Topco
Cayman Islands
$1.66M
LSERS
142
Louisiana State Employees Retirement System
Louisiana
$1.64M
Comerica Bank
143
Comerica Bank
Texas
$1.59M
Wealth Enhancement Advisory Services
144
Wealth Enhancement Advisory Services
Minnesota
$1.56M
LFG
145
Lockerman Financial Group
California
$1.53M
STA
146
Summit Trail Advisors
New York
$1.52M
COPPSERS
147
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$1.49M
IMRF
148
Illinois Municipal Retirement Fund
Illinois
$1.48M
PCMI
149
Paradigm Capital Management Inc
New York
$1.48M
Royal Bank of Canada
150
Royal Bank of Canada
Ontario, Canada
$1.47M