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
126
$468K
127
$460K
128
$441K
129
$426K
130
$397K
131
$361K
132
$350K
133
$350K
134
$348K
135
$323K
136
$318K
137
$305K
138
$294K
139
$290K
140
$288K
141
$285K
142
$283K
143
$283K
144
$260K
145
$255K
146
$247K
147
$247K
148
$239K
149
$233K
150
$220K