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Masimo

201 hedge funds and large institutions have $1.59B invested in Masimo in 2015 Q2 according to their latest regulatory filings, with 42 funds opening new positions, 55 increasing their positions, 75 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
201
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
$2.63M
Puts
$1.37M
Net Calls
Net Calls Change

Top Buyers

1 +$29M
2 +$23.2M
3 +$9.4M
4
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$4.18M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$4.1M
Name Holding Trade Value Shares
Change
Change in
Stake
101
$980K
102
$901K
103
$868K
104
$845K
105
$821K
106
$817K
107
$816K
108
$799K
109
$798K
110
$763K
111
$759K
112
$758K
113
$732K
114
$730K
115
$722K
116
$711K
117
$683K
118
$652K
119
$651K
120
$638K
121
$627K
122
$621K
123
$621K
124
$592K
125
$592K