Oak Thistle LLC Boosts Stake in Affiliated Managers Group

Asset management firm increases holdings in AMG by over 190%

Apr. 8, 2026 at 11:52am

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Oak Thistle LLC, an investment firm, increased its stake in Affiliated Managers Group, Inc. (NYSE: AMG) by 194.1% in the fourth quarter, according to a recent SEC filing. The fund now owns 8,700 shares of the asset manager's stock, valued at $2.5 million.

Why it matters

This transaction highlights the continued investor interest in Affiliated Managers Group, a leading global asset management firm. The increase in Oak Thistle's position suggests confidence in AMG's growth prospects and ability to generate returns for shareholders.

The details

According to the 13F filing, Oak Thistle LLC bought an additional 5,742 shares of Affiliated Managers Group during the fourth quarter, bringing its total holdings to 8,700 shares. This represents a 194.1% increase in the firm's position in AMG. Affiliated Managers Group is a global asset management company that partners with boutique investment firms to enhance their distribution, operations, and access to capital.

  • Oak Thistle LLC increased its holdings in the fourth quarter of 2025.

The players

Oak Thistle LLC

An investment firm that increased its stake in Affiliated Managers Group by 194.1% in the fourth quarter.

Affiliated Managers Group, Inc.

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

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The takeaway

This transaction demonstrates the continued investor confidence in Affiliated Managers Group's ability to generate strong returns and grow its business. As the asset management industry evolves, AMG's partnership model and focus on boutique firms could continue to attract interest from institutional investors like Oak Thistle LLC.