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Masimo

201 hedge funds and large institutions have $1.59B invested in Masimo in 2015 Q2 according to their latest regulatory filings, with 42 funds opening new positions, 55 increasing their positions, 75 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
201
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.63M
Puts
$1.37M
Net Calls
Net Calls Change

Top Buyers

1 +$29M
2 +$23.2M
3 +$9.4M
4
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$4.18M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$4.1M
Name Holding Trade Value Shares
Change
Change in
Stake
151
$251K
152
$247K
153
$244K
154
$232K
155
$221K
156
$221K
157
$217K
158
$214K
159
$213K
160
$211K
161
$201K
162
$192K
163
$187K
164
$186K
165
$170K
166
$163K
167
$147K
168
$122K
169
$93K
170
$83K
171
$81K
172
$75K
173
$70K
174
$68K
175
$47K