American Century Companies Inc. Reduces Mattel Stake by 9.3%

Investment firm sells over 118,000 shares of toy company in Q3

Mar. 11, 2026 at 7:09am

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American Century Companies Inc. reduced its holdings in Mattel, Inc. (NASDAQ:MAT) by 9.3% during the 3rd quarter, according to the company's recent SEC filing. The investment firm sold 118,022 shares, leaving it with 1,147,970 shares of the toy company's stock, or about 0.37% ownership.

Why it matters

This transaction provides insight into the investment strategy and portfolio adjustments of a major institutional investor. Changes in ownership stakes by large funds can impact a company's stock price and shareholder structure.

The details

After the share sale, American Century Companies owned about 1.15 million shares of Mattel, worth approximately $19.3 million as of the end of the third quarter. The firm cited portfolio rebalancing as the reason for reducing its Mattel position during the period.

  • The share sale occurred during the 3rd quarter of 2026.

The players

American Century Companies Inc.

A major investment management firm that oversees over $200 billion in assets.

Mattel, Inc.

A leading global toy company known for brands like Barbie, Hot Wheels, and Fisher-Price.

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The takeaway

This transaction reflects broader portfolio adjustments by a large institutional investor, providing a data point on shifting sentiment around Mattel's stock. However, American Century Companies remains a significant shareholder, continuing to hold over 1.1 million Mattel shares.