Baillie Gifford & Co’s Monolithic Power Systems MPWR Stock Holding History

Baillie Gifford & Co’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	$6.91K	Buy	+5	New	+$7.51K	﹤0.01%	265
2023 Q2	–	Sell	-66	Closed	-$33K	–	387
2023 Q1	$33K	Buy	66 +7	+12%	+$3.22K	﹤0.01%	305
2022 Q4	$20.9K	Hold	59	–	–	﹤0.01%	341
2022 Q3	$21K	Sell	59 -4	-6%	-$1.78K	﹤0.01%	329
2022 Q2	$24K	Hold	63	–	–	﹤0.01%	325
2022 Q1	$31K	Hold	63	–	–	﹤0.01%	316
2021 Q4	$31K	Sell	63 -7	-10%	-$3.61K	﹤0.01%	323
2021 Q3	$34K	Sell	70 -13	-16%	-$5.91K	﹤0.01%	307
2021 Q2	$31K	Hold	83	–	–	﹤0.01%	314
2021 Q1	$29K	Buy	83 +4	+5%	+$1.46K	﹤0.01%	302
2020 Q4	$29K	Buy	+79	New	+$25.3K	﹤0.01%	295

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

Baillie Gifford & Co's MPWR Position: Q2 2026 in Review

Baillie Gifford & Co opened a new position in Monolithic Power Systems (MPWR) in Q2 2026: 5 shares worth $6.91K. The stake represents ﹤0.01% of the portfolio and ranks #265 among its holdings. This is a return to the name: Baillie Gifford & Co previously reported a position in MPWR as recently as Q1 2023.

Baillie Gifford & Co first reported a position in MPWR in Q4 2020 and has held it in 11 quarters since. The position peaked at $34K in Q3 2021. 1,242 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

Baillie Gifford & Co held 5 shares of Monolithic Power Systems worth $6.91K as of Q2 2026.
Monolithic Power Systems was a new Baillie Gifford & Co position in Q2 2026.
Monolithic Power Systems made up ﹤0.01% of Baillie Gifford & Co's portfolio in Q2 2026, its #265 holding.
Baillie Gifford & Co first reported a position in Monolithic Power Systems in Q4 2020 and has held it in 11 quarters since.
Baillie Gifford & Co's Monolithic Power Systems position peaked at $34K in Q3 2021.
1,242 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Baillie Gifford & Co's 13F filing for Q2 2026, filed 6 Aug 2026.