Custom Index Systems’s Monolithic Power Systems MPWR Stock Holding History

Custom Index Systems’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	$41.5K	Buy	+30	New	+$45K	0.01%	408

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

Custom Index Systems's MPWR Position: Q2 2026 in Review

Custom Index Systems opened a new position in Monolithic Power Systems (MPWR) in Q2 2026: 30 shares worth $41.5K. The stake represents 0.01% of the portfolio and ranks #408 among its holdings.

1,237 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

Custom Index Systems held 30 shares of Monolithic Power Systems worth $41.5K as of Q2 2026.
Monolithic Power Systems was a new Custom Index Systems position in Q2 2026.
Monolithic Power Systems made up 0.01% of Custom Index Systems's portfolio in Q2 2026, its #408 holding.
1,237 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Custom Index Systems's 13F filing for Q2 2026, filed 14 Aug 2026.