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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
RS
51
Robeco Schweiz
Switzerland
$3.79M +$3.55M +111,000 New
Goldman Sachs
52
Goldman Sachs
New York
$3.78M +$2.18M +68,085 +166%
DCM
53
Driehaus Capital Management
Illinois
$3.72M +$3.43M +107,231 New
T. Rowe Price Associates
54
T. Rowe Price Associates
Maryland
$3.67M +$489K +15,300 +17%
TCM
55
Tygh Capital Management
Oregon
$3.63M -$100K -3,139 -3%
Charles Schwab
56
Charles Schwab
California
$3.15M +$103K +3,237 +4%
Invesco
57
Invesco
Georgia
$2.98M +$265K +8,283 +11%
Public Sector Pension Investment Board (PSP Investments)
58
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$2.94M +$73.5K +2,300 +3%
Prudential Financial
59
Prudential Financial
New Jersey
$2.73M +$40.3K +1,260 +2%
TC
60
TFS Capital
Pennsylvania
$2.65M -$1.53M -47,903 -38%
AllianceBernstein
61
AllianceBernstein
Tennessee
$2.63M +$21.7K +679 +0.9%
SCM
62
Suffolk Capital Management
New York
$2.53M -$956K -29,900 -29%
WSA
63
Wall Street Associates
California
$2.31M -$122K -3,810 -5%
California State Teachers Retirement System (CalSTRS)
64
California State Teachers Retirement System (CalSTRS)
California
$2.31M +$12.8K +400 +0.6%
Two Sigma Investments
65
Two Sigma Investments
New York
$2.17M +$2M +62,587 New
ERSOT
66
Employees Retirement System of Texas
Texas
$2.08M – – –
TA
67
Teachers Advisors
New York
$1.93M +$219K +6,860 +14%
CS
68
Credit Suisse
Switzerland
$1.8M +$589K +18,437 +55%
Bank of America
69
Bank of America
North Carolina
$1.74M -$19.8K -621 -1%
RhumbLine Advisers
70
RhumbLine Advisers
Massachusetts
$1.6M +$320 +10 +0%
QSS
71
Quantitative Systematic Strategies
Florida
$1.57M +$1.47M +45,924 New
Royal Bank of Canada
72
Royal Bank of Canada
Ontario, Canada
$1.56M -$103K -3,231 -7%
JP Morgan Chase
73
JP Morgan Chase
New York
$1.54M +$66.7K +2,088 +5%
State Board of Administration of Florida Retirement System
74
State Board of Administration of Florida Retirement System
Florida
$1.52M – – –
WT
75
Whittier Trust
California
$1.51M – – –
1 2
3
4 5

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.