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 Q2	$574K	Buy	415 +20	+5%	+$30K	0.01%	92
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 New York $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Guinness Asset Management's MPWR Position: Q2 2026 in Review

Guinness Asset Management increased its Monolithic Power Systems (MPWR) stake by 5.1% in Q2 2026, buying an estimated $30K and bringing the position to 415 shares worth $574K. The position accounts for 0.01% of the portfolio, ranked #92.

Guinness Asset Management first reported a position in MPWR in Q4 2023 and has held it in 11 quarters since. The position peaked at $642K in Q2 2024. 1,240 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

Guinness Asset Management held 415 shares of Monolithic Power Systems worth $574K as of Q2 2026.
Guinness Asset Management bought 20 Monolithic Power Systems shares in Q2 2026, an estimated $30K.
Monolithic Power Systems made up 0.01% of Guinness Asset Management's portfolio in Q2 2026, its #92 holding.
Guinness Asset Management first reported a position in Monolithic Power Systems in Q4 2023 and has held it in 11 quarters since.
Guinness Asset Management's Monolithic Power Systems position peaked at $642K in Q2 2024.
1,240 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Guinness Asset Management's 13F filing for Q2 2026, filed 29 Jul 2026.