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Masimo
MASI

Overview Fund Activity

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.

Holders
178
Holders Change
+11
Holders Change %
+6.59%
% of All Funds
4.75%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
35
Increased
50
Reduced
75
Closed
22
Calls
$319K
Puts
$56K
Net Calls
+$263K
Net Calls Change
-$4.83M

Top Buyers

1
Massachusetts Financial Services
1
Massachusetts Financial Services
Massachusetts
$45.7M
2
CIP
2
Chartwell Investment Partners
Pennsylvania
$9.99M
3
Janus Henderson Group
3
Janus Henderson Group
United Kingdom
$7.98M
4
SGA
4
Sector Gamma AS
Norway
$7.41M
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$14.9M

Top Sellers

1
ACM
1
Americafirst Capital Management
California
$619M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$10.2M
3
CIP
3
Champlain Investment Partners
Vermont
$35.2M
4
Millennium Management
4
Millennium Management
New York
$1.79M
5
KCM
5
Kennedy Capital Management
Missouri
$0
Name Market Value Shares Shares
Change 		Shares
Change %
TRCT
176
Tower Research Capital (TRC)
New York
$1K 33 -2,337 -99%
Manulife (Manufacturers Life Insurance)
177
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$794 30,169 -1,812 -6%
KCM
178
Kennedy Capital Management
Missouri
– – -333,741 Closed
FAM
179
Foundation Asset Management
New York
– – -305,800 Closed
Adage Capital Partners
180
Adage Capital Partners
Massachusetts
– – -250,000 Closed
KA
181
Kerrisdale Advisers
Florida
– – -184,106 Closed
RPAM
182
Rhenman & Partners Asset Management
Sweden
– – -135,000 Closed
Arrowstreet Capital
183
Arrowstreet Capital
Massachusetts
– – -128,089 Closed
LOAMS
184
Lombard Odier Asset Management (Switzerland)
Switzerland
– – -95,326 Closed
GAM
185
Gotham Asset Management
New York
– – -55,059 Closed
American Century Companies
186
American Century Companies
Missouri
– – -40,864 Closed
Wellington Management Group
187
Wellington Management Group
Massachusetts
– – -31,545 Closed
BIM
188
Bogle Investment Management
Massachusetts
– – -27,408 Closed
SG Americas Securities
189
SG Americas Securities
New York
– – -20,601 Closed
BCM
190
Bridgeway Capital Management
Texas
– – -20,200 Closed
NI
191
Numeric Investors
Massachusetts
– – -19,200 Closed
BAMCO Inc
192
BAMCO Inc
New York
– – -16,760 Closed
WG
193
Winton Group
United Kingdom
– – -14,879 Closed
SCA
194
Secor Capital Advisors
New York
– – -10,302 Closed
SCM
195
Symons Capital Management
Pennsylvania
– – -9,525 Closed
PCA
196
Personal Capital Advisors
California
– – -5,000 Closed
Group One Trading
197
Group One Trading
Illinois
– – -1,100 Closed
ST
198
Smithfield Trust
Pennsylvania
– – -200 Closed
PTC
199
Private Trust Company
Ohio
– – -135 Closed
Parallax Volatility Advisers
200
Parallax Volatility Advisers
California
– – – –
5 6 7
8
9