AMG fund manager activity
Affiliated Managers Group, Inc · NYSE. Reported by 10 tracked fund managers in their 13F filings, Q2 2013 to Q2 2026.
Q4 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| John Rogers - Ariel Investments | Trimmed | 1,182,223 | $340,811,246 | 3.68% | Feb 13, 2026 |
| Dodge & Cox Funds | Sold out | — | — | 0.00% | Feb 13, 2026 |
| Ken Fisher - Fisher Asset Management | Added | 243,830 | $70,291,325 | 0.02% | Feb 9, 2026 |
| Jeremy Grantham - GMO | Trimmed | 11,259 | $3,245,745 | 0.01% | Feb 17, 2026 |
| Mason Hawkins - Southeastern Asset Management | Trimmed | 5,562 | $1,603,413 | 0.07% | Feb 13, 2026 |
Q3 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| John Rogers - Ariel Investments | Trimmed | 1,263,824 | $301,333,556 | 3.22% | Nov 14, 2025 |
| Dodge & Cox Funds | Trimmed | 2,400 | $572,232 | 0.00% | Nov 13, 2025 |
| Ken Fisher - Fisher Asset Management | Added | 203,723 | $48,573,793 | 0.02% | Nov 12, 2025 |
| Jeremy Grantham - GMO | Trimmed | 16,558 | $3,947,924 | 0.01% | Nov 13, 2025 |
| Mason Hawkins - Southeastern Asset Management | No change | 6,838 | $1,630,384 | 0.08% | Nov 14, 2025 |
Newer quarters · Older quarters