Monolithic Power Systems Dropped from Russell 1000 Growth-Defensive Index

MPWR
November 02, 2025

On June 29, 2025, Monolithic Power Systems, Inc. was dropped from the Russell 1000 Growth-Defensive Index. This change in index inclusion can affect the company's visibility and investment profile among certain institutional investors.

Inclusion in such indices is often a factor for passive funds and ETFs that track specific market segments. Removal may lead to adjustments in portfolio holdings by these funds.

While not directly reflecting operational performance, changes in index membership can influence trading volumes and investor sentiment. This event may prompt some re-evaluation by investors focused on growth-defensive strategies.

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