Bamco Inc. NY Cuts Stake in Monolithic Power Systems, Inc. $MPWR

Institutional investor reduces holding in semiconductor company

Mar. 16, 2026 at 8:19am

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Bamco Inc. NY, an institutional investor, has reduced its stake in Monolithic Power Systems, Inc. (NASDAQ:MPWR) by 5.5% during the third quarter, according to a recent SEC filing. The firm now owns 48,196 shares of the semiconductor company's stock, valued at $44,371,000.

Why it matters

This filing provides insight into the investment decisions of Bamco Inc. NY, a notable institutional investor. Changes in large investor holdings can signal shifts in market sentiment or confidence around a particular stock.

The details

According to the SEC disclosure, Bamco Inc. NY sold 2,824 shares of Monolithic Power Systems during the third quarter, reducing its total stake in the company to 48,196 shares. Monolithic Power Systems is a fabless semiconductor company that designs and supplies high-performance power management solutions for a range of electronic systems.

  • The filing covers Bamco Inc. NY's holdings as of the end of the third quarter.

The players

Bamco Inc. NY

An institutional investor that has reduced its stake in Monolithic Power Systems.

Monolithic Power Systems, Inc.

A fabless semiconductor company that designs and supplies high-performance power management solutions.

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The takeaway

This filing indicates that Bamco Inc. NY has decreased its position in Monolithic Power Systems, potentially signaling a shift in the institutional investor's outlook on the semiconductor company. However, the filing alone does not provide a comprehensive view of the overall market sentiment around Monolithic Power Systems.