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Monolithic Power Systems
MPWR

Overview Fund Activity

173 hedge funds and large institutions have $1.83B invested in Monolithic Power Systems in 2014 Q4 according to their latest regulatory filings, with 24 funds opening new positions, 50 increasing their positions, 80 reducing their positions, and 22 closing their positions.

Holders
173
Holders Change
-1
Holders Change %
-0.57%
% of All Funds
4.62%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
24
Increased
50
Reduced
80
Closed
22
Calls
$5.29M
Puts
$1.29M
Net Calls
+$4.01M
Net Calls Change
+$2.62M

Top Buyers

1
Invesco
1
Invesco
Georgia
$55.2M
2
CC
2
Carlson Capital
Texas
$28.7M
3
SCM
3
SG Capital Management
Illinois
$14.9M
4
Ameriprise
4
Ameriprise
Minnesota
$21M
5
Westfield Capital Management
5
Westfield Capital Management
Massachusetts
$12.5M

Top Sellers

1
MAA
1
Managed Account Advisors
New Jersey
$13.7M
2
CWAM
2
Columbia Wanger Asset Management
Illinois
$32.9M
3
FCM
3
Frontier Capital Management
Massachusetts
$51.9M
4
TI
4
Turner Investments
Pennsylvania
$4.59M
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$193M
Name Market Value Shares Shares
Change 		Shares
Change %
WMSA
176
Weiss Multi-Strategy Advisers
New York
– – -50,000 Closed
SCA
177
Secor Capital Advisors
New York
– – -37,950 Closed
COPPSERS
178
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
– – -29,805 Closed
MC
179
Menta Capital
California
– – -21,700 Closed
William Blair & Company
180
William Blair & Company
Illinois
– – -18,796 Closed
GAM
181
Gotham Asset Management
New York
– – -13,182 Closed
Jane Street
182
Jane Street
New York
– – -10,324 Closed
ARTA
183
A.R.T. Advisors
New York
– – -9,557 Closed
AWCI
184
Alpine Woods Capital Investors
New York
– – -8,407 Closed
QIM
185
Quest Investment Management
Oregon
– – -8,100 Closed
SKK
186
Shepherd Kaplan Krochuk
Massachusetts
– – -6,115 Closed
ZIM
187
Zacks Investment Management
Illinois
– – -5,867 Closed
HMS
188
Hanseatic Management Services
New Mexico
– – -5,050 Closed
BNP Paribas Financial Markets
189
BNP Paribas Financial Markets
France
– – -2,299 Closed
Fuller & Thaler Asset Management
190
Fuller & Thaler Asset Management
California
– – -1,400 Closed
TRCT
191
Tower Research Capital (TRC)
New York
– – -417 Closed
GAM
192
Gemmer Asset Management
California
– – -65 Closed
GT
193
Glenmede Trust
Pennsylvania
– – -47 Closed
Simplex Trading
194
Simplex Trading
Illinois
– – – –
ST
195
SpiderRock Trading
Illinois
– – – –
PG
196
PEAK6 Group
Illinois
– – – –
CAM
197
ClariVest Asset Management
California
$0 9 – –
SC
198
ShearLink Capital
New York
– – – –
W
199
Wealthfront
California
$0 1 +1 New
4 5 6 7
8