1248 Management’s Monolithic Power Systems MPWR Stock Holding History

1248 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	$759K	Hold	548	–	–	0.3%	49
2026 Q1	$600K	Buy	+548	New	+$599K	0.28%	52

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

1248 Management's MPWR Position: Q2 2026 in Review

1248 Management held its Monolithic Power Systems (MPWR) position steady in Q2 2026 at 548 shares worth $759K. The position accounts for 0.3% of the portfolio, ranked #49.

1248 Management first reported a position in MPWR in Q1 2026 and has held it in 2 quarters since. 1,245 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

1248 Management held 548 shares of Monolithic Power Systems worth $759K as of Q2 2026.
1248 Management left its Monolithic Power Systems share count unchanged in Q2 2026.
Monolithic Power Systems made up 0.3% of 1248 Management's portfolio in Q2 2026, its #49 holding.
1248 Management first reported a position in Monolithic Power Systems in Q1 2026 and has held it in 2 quarters since.
1,245 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on 1248 Management's 13F filing for Q2 2026, filed 13 Aug 2026.