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Monolithic Power Systems
MPWR

Overview Fund Activity

143 hedge funds and large institutions have $1.28B invested in Monolithic Power Systems in 2013 Q4 according to their latest regulatory filings, with 31 funds opening new positions, 61 increasing their positions, 43 reducing their positions, and 21 closing their positions.

Holders
143
Holders Change
+9
Holders Change %
+6.72%
% of All Funds
4.15%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.06%
New
31
Increased
61
Reduced
43
Closed
21
Calls
$2.53M
Puts
$568K
Net Calls
+$1.96M
Net Calls Change
+$4.94M

Top Buyers

1
EARNEST Partners
1
EARNEST Partners
Georgia
$72.2M
2
Loomis, Sayles & Company
2
Loomis, Sayles & Company
Massachusetts
$21M
3
Neuberger Berman Group
3
Neuberger Berman Group
New York
$12.6M
4
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$71.8M
5
Citadel Advisors
5
Citadel Advisors
Florida
$67.5M

Top Sellers

1
CWAM
1
Columbia Wanger Asset Management
Illinois
$43.7M
2
Massachusetts Financial Services
2
Massachusetts Financial Services
Massachusetts
$0
3
CC
3
Carlson Capital
Texas
$0
4
Balyasny Asset Management
4
Balyasny Asset Management
Illinois
$1.01M
5
William Blair & Company
5
William Blair & Company
Illinois
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$144M 4,140,291 -7,479 -0.2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$76.4M 2,205,527 +120,655 +6%
EARNEST Partners
3
EARNEST Partners
Georgia
$72.2M 2,082,594 +2,082,594 New
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$71.8M 2,072,425 +348,207 +20%
Citadel Advisors
5
Citadel Advisors
Florida
$67.5M 1,946,491 +246,370 +14%
BFA
6
BlackRock Fund Advisors
California
$67.4M 1,944,963 +71,149 +4%
FCM
7
Frontier Capital Management
Massachusetts
$55.5M 1,600,322 -255,534 -14%
O
8
OppenheimerFunds
New York
$53.3M 1,537,490 +22,330 +1%
CWAM
9
Columbia Wanger Asset Management
Illinois
$43.7M 1,261,000 -643,000 -34%
TI
10
Turner Investments
Pennsylvania
$32.7M 944,678 +19,472 +2%
BIT
11
BlackRock Institutional Trust
California
$31.9M 919,852 -27,135 -3%
Dimensional Fund Advisors
12
Dimensional Fund Advisors
Texas
$31.2M 899,111 -11,132 -1%
State Street
13
State Street
Massachusetts
$26.9M 776,418 +70,468 +10%
MAA
14
Managed Account Advisors
New Jersey
$26.2M 757,192 -46,684 -6%
ClearBridge Investments
15
ClearBridge Investments
New York
$24M 691,583 +79,958 +13%
Loomis, Sayles & Company
16
Loomis, Sayles & Company
Massachusetts
$21M 606,452 +606,452 New
State of Wisconsin Investment Board
17
State of Wisconsin Investment Board
Wisconsin
$21M 605,395 +15,381 +3%
Northern Trust
18
Northern Trust
Illinois
$18.8M 542,354 -46,603 -8%
CCI
19
Columbus Circle Investors
$18.6M 537,392 +15,964 +3%
Bank of New York Mellon
20
Bank of New York Mellon
New York
$17.3M 499,173 +2,846 +0.6%
Wellington Management Group
21
Wellington Management Group
Massachusetts
$16M 460,509 +34,620 +8%
HCMT
22
Highland Capital Management (Texas)
Texas
$15.2M 437,394 -27,492 -6%
EVM
23
Eaton Vance Management
Massachusetts
$15.1M 436,755 +230,057 +111%
CCM
24
Cupps Capital Management
Illinois
$14.3M 412,827 +61,888 +18%
New York State Common Retirement Fund
25
New York State Common Retirement Fund
New York
$13.6M 392,167 – –
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