178 hedge funds and large institutions have $1.73B invested in Masimo in 2014 Q4 according to their latest regulatory filings, with 35 funds opening new positions, 50 increasing their positions, 75 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

5% more capital invested

Capital invested by funds: $1.65B → $1.73B (+$75.8M)

33% less repeat investments, than reductions

Existing positions increased: 50 | Existing positions reduced: 75

Holders
178
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$319K
Puts
$56K
Net Calls
Net Calls Change

Top Buyers

1 +$21.1M
2 +$9.99M
3 +$7.98M
4
SGA
Sector Gamma AS
Norway
+$7.41M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$5.31M
Name Holding Trade Value Shares
Change
Change in
Stake
101
$964K
102
$943K
103
$896K
104
$889K
105
$877K
106
$789K
107
$776K
108
$708K
109
$686K
110
$604K
111
$602K
112
$579K
113
$578K
114
$566K
115
$566K
116
$531K
117
$524K
118
$516K
119
$516K
120
$515K
121
$514K
122
$499K
123
$494K
124
$485K
125
$474K