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Monolithic Power Systems
MPWR

340 hedge funds and large institutions have $4.91B invested in Monolithic Power Systems in 2018 Q4 according to their latest regulatory filings, with 47 funds opening new positions, 130 increasing their positions, 126 reducing their positions, and 59 closing their positions.

New
Increased
Maintained
Reduced
Closed

600% more funds holding in top 10

Funds holding in top 10: 1 → 7 (+6)

49% more call options, than puts

Call options by funds: $21.1M | Put options by funds: $14.1M

4.24% more ownership

Funds ownership: 95.91% → 100.16% (+4.2%)

3% more repeat investments, than reductions

Existing positions increased: 130 | Existing positions reduced: 126

3% less capital invested

Capital invested by funds: $5.08B → $4.91B (-$169M)

4% less funds holding

Funds holding: 355 → 340 (-15)

20% less first-time investments, than exits

New positions opened: 47 | Existing positions closed: 59

Holders
340
Holders Change
-15
Holders Change %
-4.23%
% of All Funds
7.58%
Holding in Top 10
7
Holding in Top 10 Change
+6
Holding in Top 10 Change %
+600%
% of All Funds
0.16%
New
47
Increased
130
Reduced
126
Closed
59
Calls
$21.1M
Puts
$14.1M
Net Calls
+$6.96M
Net Calls Change
+$20.3M

Top Buyers

1
WRF
Waddell & Reed Financial
Kansas
+$87.9M
2
Wellington Management Group
Wellington Management Group
Massachusetts
+$76.1M
3
WA
Wasatch Advisors
Utah
+$26.4M
4
ClearBridge Investments
ClearBridge Investments
New York
+$26.1M
5
Westfield Capital Management
Westfield Capital Management
Massachusetts
+$23.4M

Top Sellers

1
FCM
Frontier Capital Management
Massachusetts
-$25M
2
First Trust Advisors
First Trust Advisors
Illinois
-$23.5M
3
AllianceBernstein
AllianceBernstein
Tennessee
-$21M
4
EA
Emerald Advisers
Pennsylvania
-$18.6M
5
EMFAT
Emerald Mutual Fund Advisers Trust
Pennsylvania
-$17.2M
Name Holding Trade Value Shares
Change 		Change in
Stake
BlackRock
1
BlackRock
New York
$485M -$3.53M -29,470 -0.7%
Vanguard Group
2
Vanguard Group
Pennsylvania
$426M +$12.8M +106,795 +3%
Franklin Resources
3
Franklin Resources
California
$262M +$8.45M +70,570 +3%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$191M +$76.1M +636,230 +63%
Fidelity Investments
5
Fidelity Investments
Massachusetts
$167M +$5.31M +44,356 +3%
WA
6
Wasatch Advisors
Utah
$163M +$26.4M +220,754 +19%
Wells Fargo
7
Wells Fargo
California
$148M +$18M +150,276 +13%
WRF
8
Waddell & Reed Financial
Kansas
$136M +$87.9M +734,263 +169%
State Street
9
State Street
Massachusetts
$117M -$10.5M -87,649 -8%
FCM
10
Frontier Capital Management
Massachusetts
$94.9M -$25M -209,283 -20%
EARNEST Partners
11
EARNEST Partners
Georgia
$93.9M -$1.54M -12,872 -2%
ClearBridge Investments
12
ClearBridge Investments
New York
$91.4M +$26.1M +218,056 +38%
JP Morgan Chase
13
JP Morgan Chase
New York
$90.4M +$3.66M +30,595 +4%
Bank of America
14
Bank of America
North Carolina
$86.8M +$2.02M +16,889 +2%
CAM
15
Congress Asset Management
Massachusetts
$85.4M -$1.08M -9,063 -1%
O
16
OppenheimerFunds
New York
$80.6M +$10.6M +88,465 +15%
ZCI
17
Zevenbergen Capital Investments
Washington
$78.8M -$1.73M -14,475 -2%
Massachusetts Financial Services
18
Massachusetts Financial Services
Massachusetts
$78M +$12.9M +107,504 +19%
RS
19
Robeco Schweiz
Switzerland
$76.7M +$2.15M +18,000 +3%
TCM
20
TimesSquare Capital Management
New York
$74.9M +$6.22M +52,000 +9%
Invesco
21
Invesco
Georgia
$70M -$14.6M -121,878 -17%
Ameriprise
22
Ameriprise
Minnesota
$69.1M -$15M -125,449 -17%
AllianceBernstein
23
AllianceBernstein
Tennessee
$58.6M -$21M -175,203 -26%
Bank of New York Mellon
24
Bank of New York Mellon
New York
$55.4M +$141K +1,178 +0.2%
Geode Capital Management
25
Geode Capital Management
Massachusetts
$50.2M +$3.47M +28,955 +7%
1
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MPWR Hedge Fund Activity: Q4 2018 in Review

340 of the 4,488 institutional investors tracked by Wall St. Rank reported a position in Monolithic Power Systems (MPWR) for Q4 2018, worth a combined $4.91B — down 3.3% from $5.08B a quarter earlier.

Sellers outnumbered buyers: 59 funds closed out of MPWR and 47 opened new positions — a net loss of 12 holders — while 126 trimmed existing stakes and 130 added.

The largest buyer was Waddell & Reed Financial, adding an estimated $87.9M. The largest seller was Frontier Capital Management, cutting an estimated $25M.

  • 340 institutional investors held Monolithic Power Systems (MPWR) as of Q4 2018, down from 355 in Q3 2018.
  • Funds reported $4.91B of Monolithic Power Systems stock for Q4 2018, down 3.3% quarter-over-quarter.
  • 47 funds opened new Monolithic Power Systems positions in Q4 2018 and 59 closed out, a net change of -12 holders.
  • The largest Monolithic Power Systems buyer in Q4 2018 was Waddell & Reed Financial, an estimated $87.9M added.
  • The largest Monolithic Power Systems seller in Q4 2018 was Frontier Capital Management, an estimated $25M sold.

Based on aggregated 13F filings for Q4 2018.