Sustainable Insight Capital Management’s Monolithic Power Systems MPWR Stock Holding History

Sustainable Insight Capital 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	$210K	Sell	152 -70	-32%	-$105K	0.09%	77
2026 Q1	$243K	Hold	222	–	–	0.08%	81
2025 Q4	$201K	Sell	222 -22	-9%	-$21.2K	0.07%	76
2025 Q3	$225K	Buy	+244	New	+$198K	0.07%	67
2023 Q1	–	Sell	-836	Closed	-$296K	–	115
2022 Q4	$296K	Hold	836	–	–	0.33%	69
2022 Q3	$304K	Sell	836 -164	-16%	-$72.9K	0.36%	73
2022 Q2	$424K	Hold	1,000	–	–	0.42%	52
2022 Q1	$486K	Buy	1,000 +419	+72%	+$183K	0.35%	54
2021 Q4	$287K	Buy	+581	New	+$300K	0.15%	87
2021 Q2	–	Sell	-2,063	Closed	-$729K	–	138
2021 Q1	$729K	Buy	+2,063	New	+$751K	0.48%	49

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 $3.38T AUM 44.17% 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

Sustainable Insight Capital Management's MPWR Position: Q2 2026 in Review

Sustainable Insight Capital Management reduced its Monolithic Power Systems (MPWR) stake by 32% in Q2 2026, selling an estimated $105K and leaving 152 shares worth $210K. The position accounts for 0.09% of the portfolio, ranked #77.

Sustainable Insight Capital Management first reported a position in MPWR in Q1 2021 and has held it in 10 quarters since. The position peaked at $729K in Q1 2021. 1,246 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

Sustainable Insight Capital Management held 152 shares of Monolithic Power Systems worth $210K as of Q2 2026.
Sustainable Insight Capital Management sold 70 Monolithic Power Systems shares in Q2 2026, an estimated $105K.
Monolithic Power Systems made up 0.09% of Sustainable Insight Capital Management's portfolio in Q2 2026, its #77 holding.
Sustainable Insight Capital Management first reported a position in Monolithic Power Systems in Q1 2021 and has held it in 10 quarters since.
Sustainable Insight Capital Management's Monolithic Power Systems position peaked at $729K in Q1 2021.
1,246 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Sustainable Insight Capital Management's 13F filing for Q2 2026, filed 19 Aug 2026.