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PTC
Private Trust Company’s
Monolithic Power Systems
MPWR
Stock Holding History
Private Trust Company’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
$73.3K
Sell
67
-6
-8%
-$6.55K
0.01%
1144
2025
Q4
$66.2K
Sell
73
-9
-11%
-$8.66K
0.01%
1177
2025
Q3
$75.5K
Sell
82
-1
-1%
-$811
0.01%
1111
2025
Q2
$60.7K
Sell
83
-84
-50%
-$53.5K
0.01%
1133
2025
Q1
$96.9K
Sell
167
-16
-9%
-$10.1K
0.01%
956
2024
Q4
$108K
Sell
183
-20
-10%
-$14.5K
0.01%
896
2024
Q3
$188K
Buy
203
+22
+12%
+$19K
0.02%
725
2024
Q2
$149K
Buy
181
+75
+71%
+$54.1K
0.02%
756
2024
Q1
$71.8K
Sell
106
-12
-10%
-$8.01K
0.01%
989
2023
Q4
$74.4K
Buy
118
+70
+146%
+$36.6K
0.01%
932
2023
Q3
$22.2K
Sell
48
-1
-2%
-$512
﹤0.01%
1318
2023
Q2
$26.5K
Sell
49
-17
-26%
-$8.08K
﹤0.01%
1261
2023
Q1
$33K
Sell
66
-25
-27%
-$11.5K
﹤0.01%
1134
2022
Q4
$32K
Buy
91
+15
+20%
+$5.39K
﹤0.01%
1118
2022
Q3
$28K
Buy
76
+40
+111%
+$17.8K
﹤0.01%
1096
2022
Q2
$14K
Buy
+36
New
+$15.2K
﹤0.01%
1356
Other funds holding MPWR
BlackRock
New York
$5.7T 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
State Street
Boston, Massachusetts
$2.9T AUM
29.55%
1-Year Est. Return
Invesco
Atlanta, Georgia
$653B AUM
32.41%
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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