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Monolithic Power Systems

179 hedge funds and large institutions have $1.93B invested in Monolithic Power Systems in 2015 Q1 according to their latest regulatory filings, with 24 funds opening new positions, 71 increasing their positions, 63 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

50% more funds holding in top 10

Funds holding in top 10: 23 (+1)

50% more first-time investments, than exits

New positions opened: 24 | Existing positions closed: 16

13% more repeat investments, than reductions

Existing positions increased: 71 | Existing positions reduced: 63

5% more capital invested

Capital invested by funds: $1.83B → $1.93B (+$93.2M)

3% more funds holding

Funds holding: 173179 (+6)

32% less call options, than puts

Call options by funds: $264K | Put options by funds: $390K

Holders
179
Holders Change
+6
Holders Change %
+3.47%
% of All Funds
4.77%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.08%
New
24
Increased
71
Reduced
63
Closed
16
Calls
$264K
Puts
$390K
Net Calls
-$126K
Net Calls Change
-$4.13M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$238M +$31.9M +632,686 +16%
Vanguard Group
2
Vanguard Group
Pennsylvania
$133M +$2.28M +45,215 +2%
BFA
3
BlackRock Fund Advisors
California
$115M +$6.64M +131,841 +6%
EARNEST Partners
4
EARNEST Partners
Georgia
$89.4M -$7.87M -156,178 -8%
Adage Capital Partners
5
Adage Capital Partners
Massachusetts
$84.1M -$20M -395,952 -20%
O
6
OppenheimerFunds
New York
$60.8M -$863K -17,130 -1%
Invesco
7
Invesco
Georgia
$59.9M +$1.38M +27,407 +2%
BIT
8
BlackRock Institutional Trust
California
$53.4M +$3.9M +77,449 +8%
FCM
9
Frontier Capital Management
Massachusetts
$49.7M -$5.04M -100,080 -10%
AllianceBernstein
10
AllianceBernstein
Tennessee
$48.8M -$8.4M -166,661 -15%
ClearBridge Investments
11
ClearBridge Investments
New York
$45.3M +$72.1K +1,430 +0.2%
State Street
12
State Street
Massachusetts
$41.9M +$445K +8,826 +1%
JP Morgan Chase
13
JP Morgan Chase
New York
$41.3M -$2.54M -50,365 -6%
CWAM
14
Columbia Wanger Asset Management
Illinois
$34.9M
Citadel Advisors
15
Citadel Advisors
Florida
$33.1M -$22.1M -438,199 -41%
Northern Trust
16
Northern Trust
Illinois
$29.8M +$89.9K +1,783 +0.3%
Dimensional Fund Advisors
17
Dimensional Fund Advisors
Texas
$29.7M -$13.4M -266,189 -32%
Bank of New York Mellon
18
Bank of New York Mellon
New York
$29.2M -$117K -2,322 -0.4%
Westfield Capital Management
19
Westfield Capital Management
Massachusetts
$27.8M +$14M +277,164 +110%
RIM
20
RS Investment Management
California
$25.9M +$21.5M +426,260 +653%
Jennison Associates
21
Jennison Associates
New York
$25.6M +$78.7K +1,562 +0.3%
Loomis, Sayles & Company
22
Loomis, Sayles & Company
Massachusetts
$25.2M -$1.64M -32,636 -6%
CC
23
Carlson Capital
Texas
$25.1M -$5.08M -100,713 -17%
Lord, Abbett & Co
24
Lord, Abbett & Co
New Jersey
$24.8M +$23.8M +471,363 New
Neuberger Berman Group
25
Neuberger Berman Group
New York
$24.3M -$343K -6,803 -1%

MPWR Hedge Fund Activity: Q1 2015 in Review

179 of the 3,752 institutional investors tracked by Wall St. Rank reported a position in Monolithic Power Systems (MPWR) for Q1 2015, worth a combined $1.93B — up 5.1% from $1.83B a quarter earlier.

Buyers outnumbered sellers: 24 funds opened new MPWR positions and 16 closed out — a net gain of 8 holders — while 71 added to existing stakes and 63 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $31.9M. The largest seller was Citadel Advisors, cutting an estimated $22.1M.

  • 179 institutional investors held Monolithic Power Systems (MPWR) as of Q1 2015, up from 173 in Q4 2014.
  • Funds reported $1.93B of Monolithic Power Systems stock for Q1 2015, up 5.1% quarter-over-quarter.
  • 24 funds opened new Monolithic Power Systems positions in Q1 2015 and 16 closed out, a net change of +8 holders.
  • The largest Monolithic Power Systems buyer in Q1 2015 was Fidelity Investments, an estimated $31.9M added.
  • The largest Monolithic Power Systems seller in Q1 2015 was Citadel Advisors, an estimated $22.1M sold.

Based on aggregated 13F filings for Q1 2015.