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Monolithic Power Systems
MPWR

173 hedge funds and large institutions have $1.83B invested in Monolithic Power Systems in 2014 Q4 according to their latest regulatory filings, with 24 funds opening new positions, 50 increasing their positions, 80 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

312% more call options, than puts

Call options by funds: $5.29M | Put options by funds: $1.28M

12% more capital invested

Capital invested by funds: $1.64B → $1.83B (+$196M)

9% more first-time investments, than exits

New positions opened: 24 | Existing positions closed: 22

0% more funds holding in top 10

Funds holding in top 10: 2 → 2 (0)

1% less funds holding

Funds holding: 174 → 173 (-1)

38% less repeat investments, than reductions

Existing positions increased: 50 | Existing positions reduced: 80

Holders
173
Holders Change
-1
Holders Change %
-0.57%
% of All Funds
4.61%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
24
Increased
50
Reduced
80
Closed
22
Calls
$5.29M
Puts
$1.28M
Net Calls
+$4.01M
Net Calls Change
+$2.62M

Top Buyers

1
Invesco
Invesco
Georgia
+$26.3M
2
CC
Carlson Capital
Texas
+$25.9M
3
SCM
SG Capital Management
Illinois
+$13.5M
4
Ameriprise
Ameriprise
Minnesota
+$11.8M
5
Westfield Capital Management
Westfield Capital Management
Massachusetts
+$11.3M

Top Sellers

1
MAA
Managed Account Advisors
New Jersey
-$19.9M
2
CWAM
Columbia Wanger Asset Management
Illinois
-$19.5M
3
FCM
Frontier Capital Management
Massachusetts
-$11.4M
4
TI
Turner Investments
Pennsylvania
-$10.6M
5
Fidelity Investments
Fidelity Investments
Massachusetts
-$8.42M
Name Holding Trade Value Shares
Change 		Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$193M -$8.42M -187,575 -5%
Vanguard Group
2
Vanguard Group
Pennsylvania
$123M +$1.19M +26,498 +1%
BFA
3
BlackRock Fund Advisors
California
$102M +$8.25M +183,660 +10%
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$99.2M +$3.14M +70,001 +4%
EARNEST Partners
5
EARNEST Partners
Georgia
$92.3M -$5.91M -131,695 -7%
O
6
OppenheimerFunds
New York
$58.3M -$1.68M -37,300 -3%
Invesco
7
Invesco
Georgia
$55.2M +$26.3M +584,673 +111%
AllianceBernstein
8
AllianceBernstein
Tennessee
$54.4M +$527K +11,729 +1%
Citadel Advisors
9
Citadel Advisors
Florida
$53.1M +$4.34M +96,541 +10%
FCM
10
Frontier Capital Management
Massachusetts
$51.9M -$11.4M -253,735 -20%
BIT
11
BlackRock Institutional Trust
California
$46.6M -$233K -5,186 -0.6%
ClearBridge Investments
12
ClearBridge Investments
New York
$42.8M -$136K -3,038 -0.4%
JP Morgan Chase
13
JP Morgan Chase
New York
$41.5M +$1.32M +29,306 +4%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$41.3M -$28.2K -627 -0.1%
State Street
15
State Street
Massachusetts
$39.2M +$351K +7,819 +1%
CWAM
16
Columbia Wanger Asset Management
Illinois
$32.9M -$19.5M -434,000 -40%
CC
17
Carlson Capital
Texas
$28.7M +$25.9M +577,278 New
Northern Trust
18
Northern Trust
Illinois
$28.1M -$1.13M -25,097 -4%
Bank of New York Mellon
19
Bank of New York Mellon
New York
$27.7M +$1.33M +29,609 +6%
Loomis, Sayles & Company
20
Loomis, Sayles & Company
Massachusetts
$25.4M -$4.58M -102,055 -17%
Jennison Associates
21
Jennison Associates
New York
$24.1M +$6.06M +134,836 +39%
Neuberger Berman Group
22
Neuberger Berman Group
New York
$23.3M -$899K -20,008 -4%
State of Wisconsin Investment Board
23
State of Wisconsin Investment Board
Wisconsin
$22.1M -$5.45M -121,423 -21%
Renaissance Technologies
24
Renaissance Technologies
New York
$21.5M +$1.35M +30,100 +7%
Ameriprise
25
Ameriprise
Minnesota
$21M +$11.8M +263,793 +166%
1
2 3 4 5

MPWR Hedge Fund Activity: Q4 2014 in Review

173 of the 3,749 institutional investors tracked by Wall St. Rank reported a position in Monolithic Power Systems (MPWR) for Q4 2014, worth a combined $1.83B — up 12% from $1.64B a quarter earlier.

Buyers outnumbered sellers: 24 funds opened new MPWR positions and 22 closed out — a net gain of 2 holders — while 50 added to existing stakes and 80 trimmed.

The largest buyer was Invesco, adding an estimated $26.3M. The largest seller was Managed Account Advisors, cutting an estimated $19.9M.

  • 173 institutional investors held Monolithic Power Systems (MPWR) as of Q4 2014, down from 174 in Q3 2014.
  • Funds reported $1.83B of Monolithic Power Systems stock for Q4 2014, up 12% quarter-over-quarter.
  • 24 funds opened new Monolithic Power Systems positions in Q4 2014 and 22 closed out, a net change of +2 holders.
  • The largest Monolithic Power Systems buyer in Q4 2014 was Invesco, an estimated $26.3M added.
  • The largest Monolithic Power Systems seller in Q4 2014 was Managed Account Advisors, an estimated $19.9M sold.

Based on aggregated 13F filings for Q4 2014.