163 hedge funds and large institutions have $1.38B invested in Masimo in 2013 Q4 according to their latest regulatory filings, with 18 funds opening new positions, 59 increasing their positions, 62 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
163
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$389K
Puts
$842K
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
76
$1.71M
77
$1.61M
78
$1.59M
79
$1.58M
80
$1.47M
81
$1.42M
82
$1.4M
83
$1.33M
84
$1.3M
85
$1.29M
86
$1.26M
87
$1.23M
88
$1.23M
89
$1.2M
90
$1.18M
91
$1.17M
92
$1.16M
93
$1.16M
94
$1.1M
95
$1.08M
96
$1.04M
97
$1.02M
98
$1.02M
99
$1M
100
$1M