Mario Gabelli's AMG Position Overview
Mario Gabelli (via Gamco Investors, Inc. Et Al) currently holds 2,350 shares of Affiliated Managers Group, Inc. (AMG) worth $650,245, representing 0.01% of the portfolio. First purchased in 2024-Q1, this medium-term investment has been held for 9 quarters.
Based on 13F filings, Mario Gabelli has maintained a strategic position in AMG, demonstrating sustained confidence in this investment. Largest addition occurred in Q3 2024, adding 1,000 shares. Largest reduction occurred in Q4 2025, reducing 775 shares.
Analysis based on 13F filings available since 2013 Q2
Mario Gabelli's Affiliated Managers Group (AMG) Holding Value Over Time
Track share changes against reported price movement
Quarterly Affiliated Managers Group (AMG) Trades by Mario Gabelli
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +350 | Add 17.50% | 2,350 | $276.70 |
| Q4 2025 | -775 | Reduce 27.93% | 2,000 | $288.28 |
| Q3 2025 | +375 | Add 15.62% | 2,775 | $238.43 |
| Q2 2025 | -214 | Reduce 8.19% | 2,400 | $196.77 |
| Q1 2025 | +14 | Add 0.54% | 2,614 | $168.03 |
| Q4 2024 | -100 | Reduce 3.70% | 2,600 | $184.92 |
| Q3 2024 | +1,000 | Add 58.82% | 2,700 | $177.80 |
| Q2 2024 | +500 | Add 41.67% | 1,700 | $156.23 |
| Q1 2024 | +1,200 | New Buy | 1,200 | $167.47 |
Mario Gabelli's Affiliated Managers Group Investment FAQs
Mario Gabelli first purchased Affiliated Managers Group, Inc. (AMG) in Q1 2024, acquiring 1,200 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli has held Affiliated Managers Group, Inc. (AMG) for 9 quarters since Q1 2024.
Mario Gabelli's largest addition to Affiliated Managers Group, Inc. (AMG) was in Q1 2024, adding 1,200 shares worth $200,964.
According to the latest 13F filing for Q1 2026, Mario Gabelli's firm, Gamco Investors, Inc. Et Al, owns 2,350 shares of Affiliated Managers Group, Inc. (AMG), valued at approximately $650,245.
As of the Q1 2026 filing, Affiliated Managers Group, Inc. (AMG) represents approximately 0.01% of Mario Gabelli's publicly disclosed stock portfolio, making it one of their key holdings.
Mario Gabelli's peak holding in Affiliated Managers Group, Inc. (AMG) was 2,775 shares, as reported at the end of Q3 2025.