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
SCM
151
Sterling Capital Management
North Carolina
$1.42M
Mercer Global Advisors
152
Mercer Global Advisors
Colorado
$1.41M
SOMRS
153
State of Michigan Retirement System
Michigan
$1.4M
KK
154
KLP Kapitalforvaltning
Norway
$1.38M
PMAM
155
Picton Mahoney Asset Management
Ontario, Canada
$1.37M
NMIMC
156
Northwestern Mutual Investment Management Company
Wisconsin
$1.33M
NMERB
157
New Mexico Educational Retirement Board
New Mexico
$1.29M
Victory Capital Management
158
Victory Capital Management
Texas
$1.28M
OQS
159
Occudo Quantitative Strategies
Florida
$1.26M
HCA
160
Harbor Capital Advisors
Illinois
$1.25M
PCM
161
Polymer Capital Management
New York
$1.24M
DTL
162
Dynamic Technology Lab
Singapore
$1.23M
ECM
163
ExodusPoint Capital Management
New York
$1.22M
OPERF
164
Oregon Public Employees Retirement Fund
Oregon
$1.18M
X
165
Xponance
Pennsylvania
$1.14M
RIM
166
Redwood Investment Management
Arizona
$1.1M
BC
167
Birchview Capital
Vermont
$1.08M
WSFS
168
Wilmington Savings Fund Society
Delaware
$1.04M
DBG
169
De Burlo Group
Massachusetts
$1.03M
Wellington Management Group
170
Wellington Management Group
Massachusetts
$1.02M
SEI Investments
171
SEI Investments
Pennsylvania
$1M
BNP Paribas Financial Markets
172
BNP Paribas Financial Markets
France
$979K
VPIM
173
Vanguard Personalized Indexing Management
California
$978K
LPL Financial
174
LPL Financial
California
$977K
Pacer Advisors
175
Pacer Advisors
Pennsylvania
$957K