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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 %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$193M 3,881,591 -187,575 -5%
Vanguard Group
2
Vanguard Group
Pennsylvania
$123M 2,473,498 +26,498 +1%
BFA
3
BlackRock Fund Advisors
California
$102M 2,048,598 +183,660 +10%
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$99.2M 1,993,469 +70,001 +4%
EARNEST Partners
5
EARNEST Partners
Georgia
$92.3M 1,854,697 -131,695 -7%
O
6
OppenheimerFunds
New York
$58.3M 1,171,490 -37,300 -3%
Invesco
7
Invesco
Georgia
$55.2M 1,109,569 +584,673 +111%
AllianceBernstein
8
AllianceBernstein
Tennessee
$54.4M 1,093,971 +11,729 +1%
Citadel Advisors
9
Citadel Advisors
Florida
$53.1M 1,066,696 +96,541 +10%
FCM
10
Frontier Capital Management
Massachusetts
$51.9M 1,043,253 -253,735 -20%
BIT
11
BlackRock Institutional Trust
California
$46.6M 936,050 -5,186 -0.6%
ClearBridge Investments
12
ClearBridge Investments
New York
$42.8M 859,597 -3,038 -0.4%
JPMorgan Chase & Co
13
JPMorgan Chase & Co
New York
$41.5M 834,969 +29,306 +4%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$41.3M 830,561 -627 -0.1%
State Street
15
State Street
Massachusetts
$39.2M 787,870 +7,819 +1%
CWAM
16
Columbia Wanger Asset Management
Illinois
$32.9M 662,000 -434,000 -40%
CC
17
Carlson Capital
Texas
$28.7M 577,278 +577,278 New
Northern Trust
18
Northern Trust
Illinois
$28.1M 564,303 -25,097 -4%
Bank of New York Mellon
19
Bank of New York Mellon
New York
$27.7M 557,733 +29,609 +6%
Loomis, Sayles & Company
20
Loomis, Sayles & Company
Massachusetts
$25.4M 510,842 -102,055 -17%
Jennison Associates
21
Jennison Associates
New York
$24.1M 483,719 +134,836 +39%
Neuberger Berman Group
22
Neuberger Berman Group
New York
$23.3M 467,830 -20,008 -4%
State of Wisconsin Investment Board
23
State of Wisconsin Investment Board
Wisconsin
$22.1M 445,152 -121,423 -21%
Renaissance Technologies
24
Renaissance Technologies
New York
$21.5M 433,086 +30,100 +7%
Ameriprise
25
Ameriprise
Minnesota
$21M 422,368 +263,793 +166%
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