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Monolithic Power Systems
MPWR

195 hedge funds and large institutions have $2.4B invested in Monolithic Power Systems in 2015 Q4 according to their latest regulatory filings, with 30 funds opening new positions, 81 increasing their positions, 69 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed

300% more funds holding in top 10

Funds holding in top 10: 1 → 4 (+3)

276% more call options, than puts

Call options by funds: $1.12M | Put options by funds: $297K

114% more first-time investments, than exits

New positions opened: 30 | Existing positions closed: 14

23% more capital invested

Capital invested by funds: $1.96B → $2.4B (+$443M)

17% more repeat investments, than reductions

Existing positions increased: 81 | Existing positions reduced: 69

8% more funds holding

Funds holding: 180 → 195 (+15)

Holders
195
Holders Change
+15
Holders Change %
+8.33%
% of All Funds
5.12%
Holding in Top 10
4
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+300%
% of All Funds
0.1%
New
30
Increased
81
Reduced
69
Closed
14
Calls
$1.12M
Puts
$297K
Net Calls
+$820K
Net Calls Change
-$230K

Top Buyers

1
RIM
RS Investment Management
California
+$25.2M
2
Lord, Abbett & Co
Lord, Abbett & Co
New Jersey
+$20.4M
3
FMA
Fiduciary Management Associates
Illinois
+$17M
4
ZCI
Zevenbergen Capital Investments
Washington
+$12.4M
5
NCGI
Next Century Growth Investors
Minnesota
+$11.7M

Top Sellers

1
Adage Capital Partners
Adage Capital Partners
Massachusetts
-$120M
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$20.2M
3
O
OppenheimerFunds
New York
-$15.1M
4
CC
Carlson Capital
Texas
-$12.5M
5
Neuberger Berman Group
Neuberger Berman Group
New York
-$10.8M
Name Holding Trade Value Shares
Change 		Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$264M -$20.2M -325,647 -7%
Vanguard Group
2
Vanguard Group
Pennsylvania
$174M +$3.24M +52,108 +2%
BFA
3
BlackRock Fund Advisors
California
$151M +$6.4M +103,085 +5%
RIM
4
RS Investment Management
California
$135M +$25.2M +405,300 +24%
WA
5
Wasatch Advisors
Utah
$82M +$11.7M +188,963 +17%
Invesco
6
Invesco
Georgia
$81.7M +$7.56M +121,683 +10%
EARNEST Partners
7
EARNEST Partners
Georgia
$77.2M -$4.44M -71,542 -6%
O
8
OppenheimerFunds
New York
$62.9M -$15.1M -243,971 -20%
BIT
9
BlackRock Institutional Trust
California
$59M +$2.56M +41,240 +5%
State Street
10
State Street
Massachusetts
$53.3M +$2.59M +41,729 +5%
ClearBridge Investments
11
ClearBridge Investments
New York
$52.1M -$565K -9,107 -1%
FCM
12
Frontier Capital Management
Massachusetts
$46.2M -$1.74M -27,969 -4%
CWAM
13
Columbia Wanger Asset Management
Illinois
$42.6M -$2.74M -44,158 -6%
AllianceBernstein
14
AllianceBernstein
Tennessee
$42M +$3.87M +62,249 +10%
Bank of New York Mellon
15
Bank of New York Mellon
New York
$40.1M -$585K -9,414 -1%
CC
16
Carlson Capital
Texas
$37.6M -$12.5M -201,717 -25%
Northern Trust
17
Northern Trust
Illinois
$37.6M +$763K +12,287 +2%
JP Morgan Chase
18
JP Morgan Chase
New York
$37.3M -$2.32M -37,381 -6%
Jennison Associates
19
Jennison Associates
New York
$31.5M +$2.95M +47,565 +11%
State of Wisconsin Investment Board
20
State of Wisconsin Investment Board
Wisconsin
$30.9M +$2.92M +47,079 +11%
Dimensional Fund Advisors
21
Dimensional Fund Advisors
Texas
$30.8M -$153K -2,458 -0.5%
Adage Capital Partners
22
Adage Capital Partners
Massachusetts
$28.5M -$120M -1,927,499 -81%
Renaissance Technologies
23
Renaissance Technologies
New York
$28.1M -$516K -8,314 -2%
Wells Fargo
24
Wells Fargo
California
$26.6M +$1.61M +25,907 +7%
KCM
25
Kornitzer Capital Management
Kansas
$25.8M -$783K -12,610 -3%
1
2 3 4 5

MPWR Hedge Fund Activity: Q4 2015 in Review

195 of the 3,812 institutional investors tracked by Wall St. Rank reported a position in Monolithic Power Systems (MPWR) for Q4 2015, worth a combined $2.4B — up 23% from $1.96B a quarter earlier.

Buyers outnumbered sellers: 30 funds opened new MPWR positions and 14 closed out — a net gain of 16 holders — while 81 added to existing stakes and 69 trimmed.

The largest buyer was RS Investment Management, adding an estimated $25.2M. The largest seller was Adage Capital Partners, cutting an estimated $120M.

  • 195 institutional investors held Monolithic Power Systems (MPWR) as of Q4 2015, up from 180 in Q3 2015.
  • Funds reported $2.4B of Monolithic Power Systems stock for Q4 2015, up 23% quarter-over-quarter.
  • 30 funds opened new Monolithic Power Systems positions in Q4 2015 and 14 closed out, a net change of +16 holders.
  • The largest Monolithic Power Systems buyer in Q4 2015 was RS Investment Management, an estimated $25.2M added.
  • The largest Monolithic Power Systems seller in Q4 2015 was Adage Capital Partners, an estimated $120M sold.

Based on aggregated 13F filings for Q4 2015.