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Monolithic Power Systems
MPWR

Overview Fund Activity

288 hedge funds and large institutions have $3.53B invested in Monolithic Power Systems in 2017 Q1 according to their latest regulatory filings, with 49 funds opening new positions, 111 increasing their positions, 107 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
288
Holders Change
+24
Holders Change %
+9.09%
% of All Funds
7.18%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
49
Increased
111
Reduced
107
Closed
18
Calls
$2.6M
Puts
$7.32M
Net Calls
-$4.72M
Net Calls Change
-$4.45M

Top Buyers

1
BlackRock
BlackRock
New York
$386M
2
Bank of Montreal
Bank of Montreal
Ontario, Canada
$34.4M
3
Vanguard Group
Vanguard Group
Pennsylvania
$279M
4
GGHC
Gilder Gagnon Howe & Co
New York
$10M
5
ICM
IronBridge Capital Management
Illinois
$6.88M

Top Sellers

1
Adage Capital Partners
Adage Capital Partners
Massachusetts
$16.6M
2
WA
Wasatch Advisors
Utah
$89.4M
3
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$34.5M
4
CCP
Clough Capital Partners
Massachusetts
$0
5
Bank of New York Mellon
Bank of New York Mellon
New York
$45.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
GCP
301
GSA Capital Partners
United Kingdom
– -$270K -3,292 Closed
EMG
302
Ellington Management Group
Connecticut
– -$262K -3,200 Closed
Parallax Volatility Advisers
303
Parallax Volatility Advisers
California
– -$62K -758 Closed
QT
304
Quantbot Technologies
New York
– -$21K -258 Closed
Simplex Trading
305
Simplex Trading
Illinois
– -$18K -229 Closed
Group One Trading
306
Group One Trading
Illinois
– -$8K -100 Closed
9 10 11 12
13