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CAM
CenterStar Asset Management’s
Monolithic Power Systems
MPWR
Stock Holding History
CenterStar Asset Management’s Portfolio
MPWR Stock Details
MPWR Fund Activity
Bought
Maintained
Sold
Shares
Call Options
Put Options
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
$328K
Buy
+300
New
+$328K
0.04%
382
2025
Q4
–
Sell
-300
Closed
-$276K
–
355
2025
Q3
$276K
Sell
300
-300
-50%
-$243K
0.06%
240
2025
Q2
$439K
Sell
600
-2,100
-78%
-$1.34M
0.1%
138
2025
Q1
$1.57M
Buy
+2,700
New
+$1.7M
0.37%
70
2024
Q4
–
Sell
-1,000
Closed
-$925K
–
330
2024
Q3
$925K
Buy
+1,000
New
+$863K
0.19%
98
2024
Q1
–
Sell
-400
Closed
-$252K
–
345
2023
Q4
$252K
Buy
+400
New
+$209K
0.04%
267
2023
Q3
–
Sell
-2,600
Closed
-$1.4M
–
412
2023
Q2
$1.4M
Buy
+2,600
New
+$1.24M
0.15%
86
2020
Q3
–
Hold
0
–
-$1.43M
–
704
2020
Q2
–
Hold
0
–
–
–
179
2020
Q1
–
Hold
0
–
–
–
568
Other funds holding MPWR
BlackRock
New York
$5.72T AUM
30.48%
1-Year Est. Return
Fidelity Investments
Boston, Massachusetts
$1.9T AUM
41.92%
1-Year Est. Return
VCM
Vanguard Capital Management
Malvern, Pennsylvania
$4.04T AUM
VPM
Vanguard Portfolio Management
Malvern, Pennsylvania
$1.91T AUM
Invesco
Atlanta, Georgia
$1.02T AUM
30.18%
1-Year Est. Return
State Street
Boston, Massachusetts
$2.9T AUM
29.55%
1-Year Est. Return
Geode Capital Management
Boston, Massachusetts
$1.61T AUM
30.72%
1-Year Est. Return
T. Rowe Price Associates
Baltimore, Maryland
$865B AUM
30.76%
1-Year Est. Return
Franklin Resources
San Mateo, California
$408B AUM
30.18%
1-Year Est. Return
T. Rowe Price Investment Management
Baltimore, Maryland
$145B AUM
22.78%
1-Year Est. Return
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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