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MPWR2 quarters
Position history for VPVANGUARD PORTFOLIO MANAGEMENT LLC's holdings in MONOLITHIC PWR SYS INC
Yes. Vanguard Portfolio Management holds 2,504,858 shares of MPWR (Monolithic Power Systems), worth $3.5B, as of its Q2 2026 13F filing. It reduced the position by 11,634 shares (-0.5%) from Q1 2026. Vanguard Portfolio Management has held MPWR in every 13F on record since Q1 2026, 2 quarterly filings. MPWR is 0.2% of Vanguard Portfolio Management's reported 13F portfolio.
Current Value
$3.5B
Current Shares
2.5M
Total Value Change
+$711.2M
Total Shares Change
-11,634
Quarter-by-Quarter History
Other major holders of MPWR: BlackRock, Inc., FMR LLC, VANGUARD GROUP INC