RIM
MPWR icon

RS Investment Management’s Monolithic Power Systems MPWR Stock Holding History

RS Investment Management’s Portfolio MPWR Stock Details MPWR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2016
Q2 		$133M Sell
1,942,637
-153,517
-7% -$10.1M 1.36% 7
2016
Q1 		$133M Sell
2,096,154
-18,494
-0.9% -$1.1M 1.32% 6
2015
Q4 		$135M Buy
2,114,648
+405,300
+24% +$25.2M 1.21% 9
2015
Q3 		$87.5M Buy
1,709,348
+488,088
+40% +$24.2M 0.78% 30
2015
Q2 		$61.9M Buy
1,221,260
+729,700
+148% +$38.6M 0.53% 63
2015
Q1 		$25.9M Buy
491,560
+426,260
+653% +$21.5M 0.23% 157
2014
Q4 		$3.25M Hold
65,300
– – 0.03% 299
2014
Q3 		$2.88M Hold
65,300
– – 0.03% 310
2014
Q2 		$2.77M Hold
65,300
– – 0.02% 311
2014
Q1 		$2.53M Buy
+65,300
New +$2.3M 0.01% 316

Other funds holding MPWR

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BFA
BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
BIT
BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
O
OppenheimerFunds New York $80.4B AUM 15.1% 1-Year Est. Return