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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 %
SO
201
STRS Ohio
Ohio
– – – –
JG
202
Jefferies Group
New York
– – – –
Simplex Trading
203
Simplex Trading
Illinois
– – – –
ST
204
SpiderRock Trading
Illinois
– – – –
SEI Investments
205
SEI Investments
Pennsylvania
$0 9 +9 New
5 6 7 8
9