American Century Companies Inc. Reduces Mueller Industries Stake

Investment firm lowers position in industrial products company by 11% in Q3

Mar. 2, 2026 at 6:07pm

Got story updates? Submit your updates here. ›

American Century Companies Inc. reduced its stake in Mueller Industries, Inc. (NYSE:MLI) by 11% during the third quarter, according to a recent SEC filing. The firm now owns approximately 1.36 million shares of the industrial products company, or around 1.23% of the total outstanding shares.

Why it matters

This filing provides insight into the investment decisions of American Century, a major institutional investor. Changes in large shareholders' positions can signal broader market sentiment and influence a company's stock price.

The details

According to the 13F filing, American Century sold 169,118 shares of Mueller Industries during the third quarter, lowering its total position to 1,361,496 shares. The firm cited unspecified portfolio management reasons for the reduction in its Mueller Industries holdings.

  • The filing covers the third quarter of 2026, ending on September 30th.

The players

American Century Companies Inc.

A major investment management firm that oversees over $250 billion in assets.

Mueller Industries, Inc.

A diversified manufacturer and marketer of copper, brass, aluminum and plastic products serving various industries.

Got photos? Submit your photos here. ›

The takeaway

This filing indicates American Century has reduced its exposure to Mueller Industries, potentially signaling a shift in the investment firm's view of the industrial products company's prospects. Investors will likely monitor Mueller Industries' stock performance and any further changes in major shareholders' positions.