GAM
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Guinness Asset Management’s Monolithic Power Systems MPWR Stock Holding History

Guinness Asset 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 		$432K Sell
395
-28
-7% -$30.6K 0.01% 96
2025
Q4 		$393K Sell
423
-38
-8% -$36.6K 0.01% 101
2025
Q3 		$409K Sell
461
-112
-20% -$90.8K 0.01% 98
2025
Q2 		$419K Sell
573
-188
-25% -$120K 0.01% 88
2025
Q1 		$441K Sell
761
-129
-14% -$81.3K 0.01% 83
2024
Q4 		$527K Buy
890
+223
+33% +$161K 0.01% 87
2024
Q3 		$617K Sell
667
-115
-15% -$99.3K 0.01% 75
2024
Q2 		$642K Sell
782
-8
-1% -$5.77K 0.01% 75
2024
Q1 		$535K Sell
790
-111
-12% -$74.1K 0.01% 87
2023
Q4 		$568K Buy
+901
New +$471K 0.01% 78

Other funds holding MPWR

BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
Fidelity Investments
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $653B AUM 32.41% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return