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
51
$3.98M
52
$3.86M
53
$3.85M
54
$3.83M
55
$3.65M
56
$3.46M
57
$3.31M
58
$3.17M
59
$2.83M
60
$2.73M
61
$2.69M
62
$2.65M
63
$2.64M
64
$2.63M
65
$2.62M
66
$2.59M
67
$2.58M
68
$2.54M
69
$2.34M
70
$2M
71
$1.96M
72
$1.87M
73
$1.86M
74
$1.84M
75
$1.75M