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FRM
Fox Run Management’s
Monolithic Power Systems
MPWR
Stock Holding History
Fox Run 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
2026
Q1
–
Sell
-458
Closed
-$415K
–
1114
2025
Q4
$415K
Buy
+458
New
+$441K
0.06%
576
2025
Q2
–
Sell
-631
Closed
-$366K
–
1086
2025
Q1
$366K
Sell
631
-935
-60%
-$589K
0.06%
611
2024
Q4
$927K
Buy
1,566
+876
+127%
+$634K
0.17%
179
2024
Q3
$638K
Buy
+690
New
+$596K
0.14%
255
2024
Q2
–
Sell
-1,580
Closed
-$1.07M
–
957
2024
Q1
$1.07M
Buy
+1,580
New
+$1.05M
0.23%
110
2023
Q2
–
Sell
-1,269
Closed
-$635K
–
866
2023
Q1
$635K
Buy
+1,269
New
+$583K
0.21%
160
2022
Q4
–
Sell
-650
Closed
-$236K
–
793
2022
Q3
$236K
Sell
650
-122
-16%
-$54.3K
0.09%
434
2022
Q2
$296K
Buy
+772
New
+$326K
0.15%
303
2020
Q1
–
Sell
-1,202
Closed
-$214K
–
278
2019
Q4
$214K
Sell
1,202
-648
-35%
-$103K
0.17%
309
2019
Q3
$288K
Buy
+1,850
New
+$277K
0.26%
167
2018
Q4
–
Sell
-2,997
Closed
-$376K
–
644
2018
Q3
$376K
Buy
+2,997
New
+$418K
0.16%
276
2017
Q3
–
Sell
-4,400
Closed
-$424K
–
802
2017
Q2
$424K
Buy
+4,400
New
+$419K
0.15%
282
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VPM
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1-Year Est. Return
Invesco
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$653B AUM
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1-Year Est. Return
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30.72%
1-Year Est. Return
T. Rowe Price Associates
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$865B AUM
30.76%
1-Year Est. Return
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1-Year Est. Return
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$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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