Washington Trust Advisors’s Monolithic Power Systems MPWR Stock Holding History

Washington Trust Advisors’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	$1.09K	Buy	+1	New	+$1.09K	﹤0.01%	635
2023 Q4	–	Sell	-61	Closed	-$28K	–	687
2023 Q3	$28K	Sell	61 -2	-3%	-$1.02K	﹤0.01%	364
2023 Q2	$34.1K	Buy	+63	New	+$29.9K	﹤0.01%	334
2022 Q4	–	Sell	-95	Closed	-$35K	–	850
2022 Q3	$35K	Hold	95	–	–	﹤0.01%	438
2022 Q2	$36K	Sell	95 -14	-13%	-$5.91K	﹤0.01%	448
2022 Q1	$53K	Sell	109 -30	-22%	-$13.1K	﹤0.01%	436
2021 Q4	$69K	Buy	+139	New	+$71.7K	﹤0.01%	416

Other funds holding MPWR

BlackRock New York $5.72T 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

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 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

Washington Trust Advisors's MPWR Position: Q1 2026 in Review

Washington Trust Advisors opened a new position in Monolithic Power Systems (MPWR) in Q1 2026: 1 share worth $1.09K. The stake represents ﹤0.01% of the portfolio and ranks #635 among its holdings. This is a return to the name: Washington Trust Advisors previously reported a position in MPWR as recently as Q3 2023.

Washington Trust Advisors first reported a position in MPWR in Q4 2021 and has held it in 7 quarters since. The position peaked at $69K in Q4 2021. 1,114 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.

Washington Trust Advisors held 1 share of Monolithic Power Systems worth $1.09K as of Q1 2026.
Monolithic Power Systems was a new Washington Trust Advisors position in Q1 2026.
Monolithic Power Systems made up ﹤0.01% of Washington Trust Advisors's portfolio in Q1 2026, its #635 holding.
Washington Trust Advisors first reported a position in Monolithic Power Systems in Q4 2021 and has held it in 7 quarters since.
Washington Trust Advisors's Monolithic Power Systems position peaked at $69K in Q4 2021.
1,114 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.

Based on Washington Trust Advisors's 13F filing for Q1 2026, filed 6 Apr 2026.