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Monolithic Power Systems
MPWR

Overview Fund Activity

134 hedge funds and large institutions have $1.06B invested in Monolithic Power Systems in 2013 Q3 according to their latest regulatory filings, with 23 funds opening new positions, 56 increasing their positions, 44 reducing their positions, and 11 closing their positions.

Holders
134
Holders Change
+11
Holders Change %
+8.94%
% of All Funds
4.35%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.03%
New
23
Increased
56
Reduced
44
Closed
11
Calls
$76K
Puts
$3.06M
Net Calls
-$2.98M
Net Calls Change
-$3.23M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$126M
2
Balyasny Asset Management
2
Balyasny Asset Management
Illinois
$11.3M
3
CCM
3
Cupps Capital Management
Illinois
$10.6M
4
New York State Common Retirement Fund
4
New York State Common Retirement Fund
New York
$11.9M
5
BFA
5
BlackRock Fund Advisors
California
$56.7M

Top Sellers

1
Adage Capital Partners
1
Adage Capital Partners
Massachusetts
$52.2M
2
CC
2
Carlson Capital
Texas
$12.5M
3
William Blair & Company
3
William Blair & Company
Illinois
$10.1M
4
TI
4
Turner Investments
Pennsylvania
$28M
5
Massachusetts Financial Services
5
Massachusetts Financial Services
Massachusetts
$19.1M
Name Market Value Shares Shares
Change 		Shares
Change %
Group One Trading
126
Group One Trading
Illinois
$29K 966 +518 +116%
WTC
127
WhitTier Trust Company
Nevada
$24K 779 – –
Parallax Volatility Advisers
128
Parallax Volatility Advisers
California
$20K 660 +660 New
TRCT
129
Tower Research Capital (TRC)
New York
$17K 559 -2,745 -83%
Citigroup
130
Citigroup
New York
$6K 188 -23 -11%
PNC Financial Services Group
131
PNC Financial Services Group
Pennsylvania
$4K 147 -2,940 -95%
PCM
132
Prelude Capital Management
New York
$3K 100 +100 New
Northwestern Mutual Wealth Management
133
Northwestern Mutual Wealth Management
Wisconsin
$2K 63 – –
Manulife (Manufacturers Life Insurance)
134
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$856 28,254 -715 -2%
Westfield Capital Management
135
Westfield Capital Management
Massachusetts
– – -297,420 Closed
Two Sigma Investments
136
Two Sigma Investments
New York
– – -137,363 Closed
ECM
137
Empire Capital Management
Connecticut
– – -100,000 Closed
Two Sigma Advisers
138
Two Sigma Advisers
New York
– – -41,466 Closed
EI
139
EAM Investors
California
– – -26,550 Closed
First Trust Advisors
140
First Trust Advisors
Illinois
– – -14,551 Closed
Nomura Holdings
141
Nomura Holdings
Japan
– – -12,600 Closed
EMG
142
Ellington Management Group
Connecticut
– – -10,100 Closed
TSWM
143
Triangle Securities Wealth Management
North Carolina
– – -2,200 Closed
PAM
144
Panagora Asset Management
Massachusetts
– – -1,048 Closed
OMCS
145
Old Mutual Customised Solutions
South Africa
– – -500 Closed
Susquehanna International Group
146
Susquehanna International Group
Pennsylvania
– – – –
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