Quantbot Technologies Boosts Stake in Affiliated Managers Group

Asset manager's shares rise after institutional investor increases position

Published on Mar. 6, 2026

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Quantbot Technologies LP, an investment firm, has increased its stake in Affiliated Managers Group, Inc. (AMG) by 188.2% during the third quarter, according to a recent SEC filing. Quantbot Technologies now owns 6,549 shares of the asset manager's stock, valued at $1.56 million.

Why it matters

The increase in Quantbot's position in AMG suggests the investment firm sees growth potential in the asset manager. AMG's stock has risen in recent months, indicating investor confidence in the company's performance and outlook.

The details

Quantbot Technologies purchased an additional 4,277 shares of AMG during the third quarter, bringing its total holdings to 6,549 shares. This represents a significant increase from the previous quarter, when Quantbot owned just 2,272 shares. The investment firm's increased stake in AMG is part of a broader trend of institutional investors showing interest in the asset manager.

  • Quantbot Technologies increased its AMG holdings during the third quarter of 2026.

The players

Quantbot Technologies LP

An investment firm that has increased its stake in Affiliated Managers Group, Inc.

Affiliated Managers Group, Inc.

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

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The takeaway

Quantbot Technologies' increased stake in Affiliated Managers Group suggests the investment firm sees growth potential in the asset manager, which has seen its stock rise in recent months as institutional investors show greater interest in the company.