# Affiliated Managers Group (AMG): value investors who own it

3 value investors held Affiliated Managers Group in their Q3 2026 13F, led by Southeastern Asset Management, Horizon Kinetics, Dodge & Cox.

## 13F holders

| Manager | Portfolio | Value | Change | Quarters held |
| --- | --- | --- | --- | --- |
| Southeastern Asset Management | 0.1% | $1.9m | Unchanged | 32 |
| Horizon Kinetics | 0.0% | $676k | Unchanged | 8 |
| Dodge & Cox | 0.0% | $203k | New | 1 |

Source: SEC filings, via moatshark (https://www.moatshark.com/s/amg). Values traded and returns are estimates. Not investment advice. Built 2026-10-21.