Jefferies Financial Group’s Monolithic Power Systems MPWR Stock Holding History

Jefferies Financial 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	$944K	Sell	863 -218	-20%	-$238K	0.01%	949
2025 Q4	$980K	Sell	1,081 -1,165	-52%	-$1.12M	0.01%	1094
2025 Q3	$2.07M	Buy	+2,246	New	+$1.82M	0.01%	633
2025 Q1	–	Sell	-702	Closed	-$415K	–	1862
2024 Q4	$415K	Sell	702 -74	-10%	-$53.6K	﹤0.01%	1167
2024 Q3	$717K	Sell	776 -3,072	-80%	-$2.65M	0.01%	879
2024 Q2	$3.16M	Buy	3,848 +2,221	+137%	+$1.6M	0.03%	417
2024 Q1	$1.1M	Buy	+1,627	New	+$1.09M	0.01%	785
2023 Q3	–	Sell	-29,297	Closed	-$15.8M	–	1837
2023 Q2	$15.8M	Buy	29,297 +25,297	+632%	+$12M	0.14%	129
2023 Q1	$2M	Buy	+4,000	New	+$1.84M	0.02%	662

Other funds holding MPWR

BlackRock New York $6.73T AUM 46.02% 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 $3.37T AUM 44.26% 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

Jefferies Financial Group's MPWR Position: Q1 2026 in Review

Jefferies Financial Group reduced its Monolithic Power Systems (MPWR) stake by 20% in Q1 2026, selling an estimated $238K and leaving 863 shares worth $944K. The position accounts for 0.01% of the portfolio, ranked #949.

Jefferies Financial Group first reported a position in MPWR in Q1 2023 and has held it in 9 quarters since. The position peaked at $15.8M in Q2 2023. 1,118 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.

Jefferies Financial Group held 863 shares of Monolithic Power Systems worth $944K as of Q1 2026.
Jefferies Financial Group sold 218 Monolithic Power Systems shares in Q1 2026, an estimated $238K.
Monolithic Power Systems made up 0.01% of Jefferies Financial Group's portfolio in Q1 2026, its #949 holding.
Jefferies Financial Group first reported a position in Monolithic Power Systems in Q1 2023 and has held it in 9 quarters since.
Jefferies Financial Group's Monolithic Power Systems position peaked at $15.8M in Q2 2023.
1,118 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.

Based on Jefferies Financial Group's 13F filing for Q1 2026, filed 8 May 2026.