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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
76
$2.33M
77
$2.32M
78
$2.2M
79
$2.15M
80
$2.02M
81
$1.96M
82
$1.94M
83
$1.92M
84
$1.82M
85
$1.78M
86
$1.63M
87
$1.59M
88
$1.57M
89
$1.44M
90
$1.42M
91
$1.38M
92
$1.37M
93
$1.27M
94
$1.25M
95
$1.22M
96
$1.2M
97
$1.15M
98
$1.12M
99
$1.07M
100
$1.03M