176 hedge funds and large institutions have $1.4B invested in Masimo in 2015 Q1 according to their latest regulatory filings, with 21 funds opening new positions, 68 increasing their positions, 65 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
176
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$161K
Puts
$1.16M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
126
$431K
127
$431K
128
$414K
129
$414K
130
$407K
131
$358K
132
$346K
133
$343K
134
$341K
135
$327K
136
$325K
137
$322K
138
$320K
139
$309K
140
$297K
141
$284K
142
$254K
143
$247K
144
$244K
145
$233K
146
$223K
147
$221K
148
$217K
149
$216K
150
$210K