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Monolithic Power Systems
MPWR

Name Holding Trade Value Shares
Change 		Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$238M +$31.9M +632,686 +16%
Vanguard Group
2
Vanguard Group
Pennsylvania
$133M +$2.28M +45,215 +2%
BFA
3
BlackRock Fund Advisors
California
$115M +$6.64M +131,841 +6%
EARNEST Partners
4
EARNEST Partners
Georgia
$89.4M -$7.87M -156,178 -8%
Adage Capital Partners
5
Adage Capital Partners
Massachusetts
$84.1M -$20M -395,952 -20%
O
6
OppenheimerFunds
New York
$60.8M -$863K -17,130 -1%
Invesco
7
Invesco
Georgia
$59.9M +$1.38M +27,407 +2%
BIT
8
BlackRock Institutional Trust
California
$53.4M +$3.9M +77,449 +8%
FCM
9
Frontier Capital Management
Massachusetts
$49.7M -$5.04M -100,080 -10%
AllianceBernstein
10
AllianceBernstein
Tennessee
$48.8M -$8.4M -166,661 -15%
ClearBridge Investments
11
ClearBridge Investments
New York
$45.3M +$72.1K +1,430 +0.2%
State Street
12
State Street
Massachusetts
$41.9M +$445K +8,826 +1%
JP Morgan Chase
13
JP Morgan Chase
New York
$41.3M -$2.54M -50,365 -6%
CWAM
14
Columbia Wanger Asset Management
Illinois
$34.9M – – –
Citadel Advisors
15
Citadel Advisors
Florida
$33.1M -$22.1M -438,199 -41%
Northern Trust
16
Northern Trust
Illinois
$29.8M +$89.9K +1,783 +0.3%
Dimensional Fund Advisors
17
Dimensional Fund Advisors
Texas
$29.7M -$13.4M -266,189 -32%
Bank of New York Mellon
18
Bank of New York Mellon
New York
$29.2M -$117K -2,322 -0.4%
Westfield Capital Management
19
Westfield Capital Management
Massachusetts
$27.8M +$14M +277,164 +110%
RIM
20
RS Investment Management
California
$25.9M +$21.5M +426,260 +653%
Jennison Associates
21
Jennison Associates
New York
$25.6M +$78.7K +1,562 +0.3%
Loomis, Sayles & Company
22
Loomis, Sayles & Company
Massachusetts
$25.2M -$1.64M -32,636 -6%
CC
23
Carlson Capital
Texas
$25.1M -$5.08M -100,713 -17%
Lord, Abbett & Co
24
Lord, Abbett & Co
New Jersey
$24.8M +$23.8M +471,363 New
Neuberger Berman Group
25
Neuberger Berman Group
New York
$24.3M -$343K -6,803 -1%
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