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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
LPL Financial
151
LPL Financial
California
$1.69M -$46.2K -386 -3%
TI
152
Trexquant Investment
Connecticut
$1.66M +$1.39M +11,649 +442%
SOMRS
153
State of Michigan Retirement System
Michigan
$1.62M -$59.8K -500 -3%
TFCM
154
Taylor Frigon Capital Management
Arizona
$1.61M +$17.5K +146 +1%
FP
155
Foundry Partners
Minnesota
$1.57M +$48.3K +404 +3%
Federated Hermes
156
Federated Hermes
Pennsylvania
$1.56M -$3.38M -28,246 -68%
SCM
157
Stevens Capital Management
Pennsylvania
$1.56M -$140K -1,172 -8%
MLICM
158
Metropolitan Life Insurance Company (MetLife)
New York
$1.55M +$5.26K +44 +0.3%
Twin Tree Management
159
Twin Tree Management
Texas
$1.5M +$1.55M +12,917 New
CIA
160
Capital Impact Advisors
Massachusetts
$1.49M – – –
FMT
161
First Mercantile Trust
Tennessee
$1.48M -$195K -1,630 -11%
PP
162
Paloma Partners
Connecticut
$1.46M +$833K +6,959 +124%
SBH
163
Segall Bryant & Hamill
Illinois
$1.36M +$233K +1,945 +20%
Bank of Montreal
164
Bank of Montreal
Ontario, Canada
$1.35M -$796K -6,649 -36%
AIP
165
Ameritas Investment Partners
Nebraska
$1.34M – – –
Natixis Advisors
166
Natixis Advisors
Massachusetts
$1.32M +$51.6K +431 +4%
WCA
167
Westover Capital Advisors
Delaware
$1.31M -$80.3K -671 -6%
Nisa Investment Advisors
168
Nisa Investment Advisors
Missouri
$1.28M +$682K +5,700 +108%
AII
169
AGF Investments Inc
Ontario, Canada
$1.27M -$1.07M -8,965 -45%
JWM
170
Jackson Wealth Management
Florida
$1.25M -$56.8K -475 -4%
BC
171
Brinker Capital
Pennsylvania
$1.24M -$81K -677 -6%
B
172
Barings
North Carolina
$1.24M +$52.2K +436 +4%
MAG
173
Millrace Asset Group
Pennsylvania
$1.22M +$1.26M +10,493 New
LSERS
174
Louisiana State Employees Retirement System
Louisiana
$1.21M -$35.9K -300 -3%
AFA
175
Abacus FCF Advisors
Florida
$1.19M +$1.23M +10,253 New
5 6
7
8 9

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.