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Monolithic Power Systems
MPWR

Overview Fund Activity

195 hedge funds and large institutions have $2.4B invested in Monolithic Power Systems in 2015 Q4 according to their latest regulatory filings, with 30 funds opening new positions, 81 increasing their positions, 69 reducing their positions, and 14 closing their positions.

Holders
195
Holders Change
+15
Holders Change %
+8.33%
% of All Funds
5.12%
Holding in Top 10
4
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+300%
% of All Funds
0.11%
New
30
Increased
81
Reduced
69
Closed
14
Calls
$1.12M
Puts
$297K
Net Calls
+$820K
Net Calls Change
-$230K

Top Buyers

1
RIM
1
RS Investment Management
California
$135M
2
Lord, Abbett & Co
2
Lord, Abbett & Co
New Jersey
$20.9M
3
FMA
3
Fiduciary Management Associates
Illinois
$17.4M
4
ZCI
4
Zevenbergen Capital Investments
Washington
$13.1M
5
NCGI
5
Next Century Growth Investors
Minnesota
$12.1M

Top Sellers

1
Adage Capital Partners
1
Adage Capital Partners
Massachusetts
$28.5M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$264M
3
O
3
OppenheimerFunds
New York
$62.9M
4
CC
4
Carlson Capital
Texas
$37.6M
5
Neuberger Berman Group
5
Neuberger Berman Group
New York
$23.7M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$264M 4,139,216 -325,647 -7%
Vanguard Group
2
Vanguard Group
Pennsylvania
$174M 2,731,287 +52,108 +2%
BFA
3
BlackRock Fund Advisors
California
$151M 2,363,216 +103,085 +5%
RIM
4
RS Investment Management
California
$135M 2,114,648 +405,300 +24%
WA
5
Wasatch Advisors
Utah
$82M 1,287,818 +188,963 +17%
Invesco
6
Invesco
Georgia
$81.7M 1,282,775 +121,683 +10%
EARNEST Partners
7
EARNEST Partners
Georgia
$77.2M 1,211,611 -71,542 -6%
O
8
OppenheimerFunds
New York
$62.9M 987,199 -243,971 -20%
BIT
9
BlackRock Institutional Trust
California
$59M 926,460 +41,240 +5%
State Street
10
State Street
Massachusetts
$53.3M 836,270 +41,729 +5%
ClearBridge Investments
11
ClearBridge Investments
New York
$52.1M 817,651 -9,107 -1%
FCM
12
Frontier Capital Management
Massachusetts
$46.2M 725,274 -27,969 -4%
CWAM
13
Columbia Wanger Asset Management
Illinois
$42.6M 669,319 -44,158 -6%
AllianceBernstein
14
AllianceBernstein
Tennessee
$42M 658,907 +62,249 +10%
Bank of New York Mellon
15
Bank of New York Mellon
New York
$40.1M 630,000 -9,414 -1%
CC
16
Carlson Capital
Texas
$37.6M 590,848 -201,717 -25%
Northern Trust
17
Northern Trust
Illinois
$37.6M 589,883 +12,287 +2%
JPMorgan Chase & Co
18
JPMorgan Chase & Co
New York
$37.3M 586,134 -37,381 -6%
Jennison Associates
19
Jennison Associates
New York
$31.5M 493,703 +47,565 +11%
State of Wisconsin Investment Board
20
State of Wisconsin Investment Board
Wisconsin
$30.9M 485,231 +47,079 +11%
Dimensional Fund Advisors
21
Dimensional Fund Advisors
Texas
$30.8M 482,724 -2,458 -0.5%
Adage Capital Partners
22
Adage Capital Partners
Massachusetts
$28.5M 447,876 -1,927,499 -81%
Renaissance Technologies
23
Renaissance Technologies
New York
$28.1M 441,086 -8,314 -2%
Wells Fargo
24
Wells Fargo
California
$26.6M 417,201 +25,907 +7%
KCM
25
Kornitzer Capital Management
Kansas
$25.8M 405,535 -12,610 -3%
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