Fisher Asset Management Boosts Stake in Affiliated Managers Group

The investment firm increased its position in the asset management company by 21% in the third quarter.

Published on Mar. 4, 2026

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Fisher Asset Management LLC has increased its stake in Affiliated Managers Group, Inc. (NYSE:AMG) by 21% in the third quarter, according to a recent SEC filing. The fund now owns 203,723 shares of the asset manager's stock, worth approximately $48.57 million.

Why it matters

This move by Fisher Asset Management, a prominent investment firm, signals confidence in Affiliated Managers Group's performance and future prospects. As an asset management holding company, AMG's financial health and growth are closely watched by investors and analysts.

The details

Fisher Asset Management acquired an additional 35,349 shares of Affiliated Managers Group in the third quarter, bringing its total stake to 203,723 shares. This represents about 0.72% of AMG's outstanding shares. The investment firm cited the asset manager's strong performance and growth potential as reasons for increasing its position.

  • Fisher Asset Management filed the SEC report detailing the stake increase on March 4, 2026.
  • The additional 35,349 shares were acquired in the third quarter of the previous year.

The players

Fisher Asset Management LLC

A prominent investment firm that manages over $48 billion in assets.

Affiliated Managers Group, Inc.

A global asset management holding company that partners with boutique investment firms.

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The takeaway

This investment by Fisher Asset Management underscores the continued confidence in Affiliated Managers Group's ability to deliver strong returns for its investors. As an asset management firm, AMG's performance is closely watched by the industry, and this stake increase signals that the company remains an attractive investment opportunity.