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Monolithic Power Systems
MPWR

Overview Fund Activity

214 hedge funds and large institutions have $2.71B invested in Monolithic Power Systems in 2016 Q2 according to their latest regulatory filings, with 30 funds opening new positions, 91 increasing their positions, 64 reducing their positions, and 13 closing their positions.

Holders
214
Holders Change
+14
Holders Change %
+7%
% of All Funds
5.72%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.11%
New
30
Increased
91
Reduced
64
Closed
13
Calls
$2M
Puts
$3.82M
Net Calls
-$1.82M
Net Calls Change
+$17.2M

Top Buyers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$47.9M
2
MFIMFI
2
Mesirow Financial Investment Management - Fixed Income
Illinois
$16M
3
CIP
3
Chartwell Investment Partners
Pennsylvania
$32.5M
4
Baird Financial Group
4
Baird Financial Group
Wisconsin
$31M
5
SCA
5
Summit Creek Advisors
Minnesota
$13.4M

Top Sellers

1
Renaissance Technologies
1
Renaissance Technologies
New York
$23.8M
2
Adage Capital Partners
2
Adage Capital Partners
Massachusetts
$74M
3
NAM
3
Nichols Asset Management
Massachusetts
$0
4
AllianceBernstein
4
AllianceBernstein
Tennessee
$36M
5
RIM
5
RS Investment Management
California
$133M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$256M 3,740,313 -137,679 -4%
Vanguard Group
2
Vanguard Group
Pennsylvania
$200M 2,924,903 +105,377 +4%
BFA
3
BlackRock Fund Advisors
California
$168M 2,453,385 +55,079 +2%
RIM
4
RS Investment Management
California
$133M 1,942,637 -153,517 -7%
Invesco
5
Invesco
Georgia
$85.9M 1,257,133 +9,285 +0.7%
WA
6
Wasatch Advisors
Utah
$85.7M 1,253,838 -1,938 -0.2%
EARNEST Partners
7
EARNEST Partners
Georgia
$79.6M 1,165,498 -15,563 -1%
Adage Capital Partners
8
Adage Capital Partners
Massachusetts
$74M 1,083,856 -199,220 -16%
BIT
9
BlackRock Institutional Trust
California
$63.8M 933,170 +27,361 +3%
State Street
10
State Street
Massachusetts
$57.9M 847,437 -655 -0.1%
O
11
OppenheimerFunds
New York
$55.8M 817,290 -62,037 -7%
ClearBridge Investments
12
ClearBridge Investments
New York
$55.3M 810,007 +3,851 +0.5%
Wells Fargo
13
Wells Fargo
California
$51.6M 755,364 +112,429 +17%
Westfield Capital Management
14
Westfield Capital Management
Massachusetts
$47.9M 701,438 +362,821 +107%
FCM
15
Frontier Capital Management
Massachusetts
$46.4M 679,730 -44,658 -6%
Northern Trust
16
Northern Trust
Illinois
$43.9M 642,298 +40,730 +7%
Bank of New York Mellon
17
Bank of New York Mellon
New York
$43.4M 635,027 -25,408 -4%
CWAM
18
Columbia Wanger Asset Management
Illinois
$38.6M 564,752 -22,359 -4%
ZCI
19
Zevenbergen Capital Investments
Washington
$36.8M 538,330 +154,450 +40%
AllianceBernstein
20
AllianceBernstein
Tennessee
$36M 526,514 -163,813 -24%
Massachusetts Financial Services
21
Massachusetts Financial Services
Massachusetts
$32.7M 479,229 +32,934 +7%
CIP
22
Chartwell Investment Partners
Pennsylvania
$32.5M 476,102 +216,079 +83%
CC
23
Carlson Capital
Texas
$32.1M 470,176 -28,091 -6%
Lord, Abbett & Co
24
Lord, Abbett & Co
New Jersey
$31.8M 465,896 +879 +0.2%
Baird Financial Group
25
Baird Financial Group
Wisconsin
$31M 453,121 +200,742 +80%
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