Alyeska Investment Group’s Monolithic Power Systems MPWR Stock Holding History

Alyeska Investment Group’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	–	Sell	-21,578	Closed	-$19.6M	–	703
2025 Q4	$19.6M	Buy	+21,578	New	+$20.8M	0.06%	317
2025 Q2	–	Sell	-287,149	Closed	-$167M	–	632
2025 Q1	$167M	Buy	287,149 +95,249	+50%	+$60M	0.66%	36
2024 Q4	$114M	Buy	+191,900	New	+$139M	0.43%	57
2024 Q3	–	Sell	-4,836	Closed	-$3.97M	–	637
2024 Q2	$3.97M	Buy	4,836 +1,426	+42%	+$1.03M	0.02%	359
2024 Q1	$2.31M	Sell	3,410 -29,610	-90%	-$19.8M	0.01%	368
2023 Q4	$20.8M	Buy	+33,020	New	+$17.3M	0.14%	198
2022 Q4	–	Sell	-220,460	Closed	-$80.1M	–	474
2022 Q3	$80.1M	Buy	+220,460	New	+$98.1M	0.93%	18
2019 Q3	–	Sell	-66,027	Closed	-$8.96M	–	465
2019 Q2	$8.96M	Buy	+66,027	New	+$8.98M	0.12%	180

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

Alyeska Investment Group's MPWR Position: Q1 2026 in Review

Alyeska Investment Group sold out of Monolithic Power Systems (MPWR) in Q1 2026, closing a stake of 21,578 shares — an estimated $19.6M sold.

Alyeska Investment Group first reported a position in MPWR in Q2 2019 and held it in 8 quarters. The position peaked at $167M in Q1 2025. 1,114 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.

Alyeska Investment Group reported no remaining Monolithic Power Systems position as of Q1 2026 after selling out during the quarter.
Alyeska Investment Group sold 21,578 Monolithic Power Systems shares in Q1 2026, an estimated $19.6M.
Alyeska Investment Group first reported a position in Monolithic Power Systems in Q2 2019 and held it in 8 quarters.
Alyeska Investment Group's Monolithic Power Systems position peaked at $167M in Q1 2025.
1,114 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.

Based on Alyeska Investment Group's 13F filing for Q1 2026, filed 15 May 2026.