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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 %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$126M 4,147,770 +449,180 +12%
Vanguard Group
2
Vanguard Group
Pennsylvania
$63.1M 2,084,872 +121,188 +6%
CWAM
3
Columbia Wanger Asset Management
Illinois
$57.7M 1,904,000 -10,000 -0.5%
BFA
4
BlackRock Fund Advisors
California
$56.7M 1,873,814 +241,865 +15%
FCM
5
Frontier Capital Management
Massachusetts
$56.2M 1,855,856 -114,310 -6%
Adage Capital Partners
6
Adage Capital Partners
Massachusetts
$52.2M 1,724,218 -1,122,894 -39%
Citadel Advisors
7
Citadel Advisors
Florida
$51.5M 1,700,121 +175,744 +12%
O
8
OppenheimerFunds
New York
$45.9M 1,515,160 +86,720 +6%
BIT
9
BlackRock Institutional Trust
California
$28.7M 946,987 +25,753 +3%
TI
10
Turner Investments
Pennsylvania
$28M 925,206 -396,901 -30%
Dimensional Fund Advisors
11
Dimensional Fund Advisors
Texas
$27.6M 910,243 +2,269 +0.2%
MAA
12
Managed Account Advisors
New Jersey
$24.3M 803,876 -306 -0%
State Street
13
State Street
Massachusetts
$21.4M 705,950 +36,454 +5%
Massachusetts Financial Services
14
Massachusetts Financial Services
Massachusetts
$19.1M 630,562 -294,960 -32%
ClearBridge Investments
15
ClearBridge Investments
New York
$18.5M 611,625 +167,546 +38%
State of Wisconsin Investment Board
16
State of Wisconsin Investment Board
Wisconsin
$17.9M 590,014 -83,172 -12%
Northern Trust
17
Northern Trust
Illinois
$17.8M 588,957 +50,570 +9%
CCI
18
Columbus Circle Investors
$15.8M 521,428 -4,289 -0.8%
Bank of New York Mellon
19
Bank of New York Mellon
New York
$15M 496,327 +26,236 +6%
HCMT
20
Highland Capital Management (Texas)
Texas
$14.1M 464,886 -126,788 -21%
Wellington Management Group
21
Wellington Management Group
Massachusetts
$12.9M 425,889 -185,410 -30%
CC
22
Carlson Capital
Texas
$12.5M 411,588 -677,600 -62%
GIM
23
Granahan Investment Management
Massachusetts
$11.9M 393,030 -22,620 -5%
New York State Common Retirement Fund
24
New York State Common Retirement Fund
New York
$11.9M 392,167 +316,040 +415%
Balyasny Asset Management
25
Balyasny Asset Management
Illinois
$11.3M 374,254 +374,254 New
1
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