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Castleark Management’s Monolithic Power Systems MPWR Stock Holding History

Castleark 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
2017
Q1 		– Sell
-128,315
Closed -$10.5M – 398
2016
Q4 		$10.5M Buy
128,315
+1,320
+1% +$106K 0.34% 91
2016
Q3 		$10.2M Buy
126,995
+1,140
+0.9% +$84.2K 0.31% 92
2016
Q2 		$8.6M Buy
125,855
+6,295
+5% +$412K 0.27% 105
2016
Q1 		$7.61M Buy
119,560
+21,465
+22% +$1.28M 0.24% 118
2015
Q4 		$6.25M Buy
+98,095
New +$6.09M 0.19% 134

Other funds holding MPWR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return

Castleark Management's MPWR Position: Q1 2017 in Review

Castleark Management sold out of Monolithic Power Systems (MPWR) in Q1 2017, closing a stake of 128,315 shares — an estimated $10.5M sold.

Castleark Management first reported a position in MPWR in Q4 2015 and held it in 5 quarters. The position peaked at $10.5M in Q4 2016. 288 funds tracked by Wall St. Rank hold MPWR as of Q1 2017.

  • Castleark Management reported no remaining Monolithic Power Systems position as of Q1 2017 after selling out during the quarter.
  • Castleark Management sold 128,315 Monolithic Power Systems shares in Q1 2017, an estimated $10.5M.
  • Castleark Management first reported a position in Monolithic Power Systems in Q4 2015 and held it in 5 quarters.
  • Castleark Management's Monolithic Power Systems position peaked at $10.5M in Q4 2016.
  • 288 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2017.

Based on Castleark Management's 13F filing for Q1 2017, filed 15 May 2017.