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
26
$13.1M
27
$10.5M
28
$9.81M
29
$9.5M
30
$8.65M
31
$8.54M
32
$8.38M
33
$8.38M
34
$7.88M
35
$7.88M
36
$7.61M
37
$7.53M
38
$7.11M
39
$6.82M
40
$6.29M
41
$5.69M
42
$5.55M
43
$4.75M
44
$4.52M
45
$4.38M
46
$4.37M
47
$4.32M
48
$4.31M
49
$4.21M
50
$4M