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Monolithic Power Systems
MPWR

143 hedge funds and large institutions have $1.28B invested in Monolithic Power Systems in 2013 Q4 according to their latest regulatory filings, with 31 funds opening new positions, 61 increasing their positions, 43 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed

345% more call options, than puts

Call options by funds: $2.53M | Put options by funds: $568K

100% more funds holding in top 10

Funds holding in top 10: 1 → 2 (+1)

48% more first-time investments, than exits

New positions opened: 31 | Existing positions closed: 21

42% more repeat investments, than reductions

Existing positions increased: 61 | Existing positions reduced: 43

22% more capital invested

Capital invested by funds: $1.06B → $1.28B (+$227M)

7% more funds holding

Funds holding: 134 → 143 (+9)

Holders
143
Holders Change
+9
Holders Change %
+6.72%
% of All Funds
4.15%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.06%
New
31
Increased
61
Reduced
43
Closed
21
Calls
$2.53M
Puts
$568K
Net Calls
+$1.96M
Net Calls Change
+$4.94M

Top Buyers

1
EARNEST Partners
EARNEST Partners
Georgia
+$66.6M
2
Loomis, Sayles & Company
Loomis, Sayles & Company
Massachusetts
+$19.4M
3
Neuberger Berman Group
Neuberger Berman Group
New York
+$11.6M
4
Adage Capital Partners
Adage Capital Partners
Massachusetts
+$11.1M
5
Citadel Advisors
Citadel Advisors
Florida
+$7.87M

Top Sellers

1
CWAM
Columbia Wanger Asset Management
Illinois
-$20.6M
2
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
-$19.1M
3
CC
Carlson Capital
Texas
-$12.5M
4
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$11M
5
William Blair & Company
William Blair & Company
Illinois
-$10.1M
Name Holding Trade Value Shares
Change 		Change in
Stake
VOYA Investment Management
26
VOYA Investment Management
Georgia
$12.8M -$89.5K -2,800 -0.8%
Neuberger Berman Group
27
Neuberger Berman Group
New York
$12.6M +$11.6M +364,096 New
GIM
28
Granahan Investment Management
Massachusetts
$12.3M -$1.22M -38,030 -10%
Norges Bank
29
Norges Bank
Norway
$11.2M – – –
D.E. Shaw & Co
30
D.E. Shaw & Co
New York
$9.01M +$3.59M +112,406 +76%
PC
31
Pier Capital
Connecticut
$8.13M -$401K -12,542 -5%
MOACM
32
Mutual of America Capital Management
New York
$8.02M -$672K -21,019 -8%
Teacher Retirement System of Texas
33
Teacher Retirement System of Texas
Texas
$7.96M -$86.4K -2,702 -1%
Schroder Investment Management Group
34
Schroder Investment Management Group
United Kingdom
$7.81M -$3.46M -108,100 -32%
Renaissance Technologies
35
Renaissance Technologies
New York
$7.79M +$6.41M +200,586 +825%
Ameriprise
36
Ameriprise
Minnesota
$7.61M +$1.17M +36,483 +20%
Principal Financial Group
37
Principal Financial Group
Iowa
$7.39M +$496K +15,512 +8%
NFA
38
Nationwide Fund Advisors
Ohio
$7.3M +$1.99M +62,113 +42%
Lord, Abbett & Co
39
Lord, Abbett & Co
New Jersey
$7.18M +$398K +12,452 +6%
ECM
40
Empire Capital Management
Connecticut
$6.93M +$6.39M +200,000 New
NAM
41
Nichols Asset Management
Massachusetts
$6.82M +$6.29M +196,757 New
California Public Employees Retirement System
42
California Public Employees Retirement System
California
$6.63M +$1.36M +42,660 +28%
KRC
43
Kingdom Ridge Capital
New York
$6.63M +$6.39K +200 +0.1%
Wells Fargo
44
Wells Fargo
California
$6.37M +$3.01M +94,082 +105%
Geode Capital Management
45
Geode Capital Management
Massachusetts
$6.01M +$295K +9,242 +6%
TCIM
46
TIAA CREF Investment Management
New York
$5.21M +$119K +3,717 +3%
NTCOC
47
Northern Trust Company of Connecticut
Connecticut
$4.3M +$203K +6,340 +5%
BIM
48
BlackRock Investment Management
Delaware
$4.15M -$48.3K -1,510 -1%
GIPM
49
G2 Investment Partners Management
New York
$4.11M +$3.79M +118,486 New
Deutsche Bank
50
Deutsche Bank
Germany
$3.88M +$49.8K +1,559 +1%
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MPWR Hedge Fund Activity: Q4 2013 in Review

143 of the 3,445 institutional investors tracked by Wall St. Rank reported a position in Monolithic Power Systems (MPWR) for Q4 2013, worth a combined $1.28B — up 22% from $1.06B a quarter earlier.

Buyers outnumbered sellers: 31 funds opened new MPWR positions and 21 closed out — a net gain of 10 holders — while 61 added to existing stakes and 43 trimmed.

The largest buyer was EARNEST Partners, opening a new position worth an estimated $66.6M. The largest seller was Columbia Wanger Asset Management, cutting an estimated $20.6M.

  • 143 institutional investors held Monolithic Power Systems (MPWR) as of Q4 2013, up from 134 in Q3 2013.
  • Funds reported $1.28B of Monolithic Power Systems stock for Q4 2013, up 22% quarter-over-quarter.
  • 31 funds opened new Monolithic Power Systems positions in Q4 2013 and 21 closed out, a net change of +10 holders.
  • The largest Monolithic Power Systems buyer in Q4 2013 was EARNEST Partners, an estimated $66.6M added.
  • The largest Monolithic Power Systems seller in Q4 2013 was Columbia Wanger Asset Management, an estimated $20.6M sold.

Based on aggregated 13F filings for Q4 2013.