Affiliated Managers Group (AMG) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for AMG. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 553 institutions reported holding AMG, with 25.2 million shares worth $8.5 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock | 2,772,736 | $938M | DECREASED |
| Vanguard | 2,766,131 | $936M | INCREASED |
| Morgan Stanley | 1,487,219 | $503M | DECREASED |
| Boston Partners | 1,001,967 | $339M | INCREASED |
| Ariel Investments | 999,676 | $338M | DECREASED |
Full institutional holdings, insider history, and congressional trades for Affiliated Managers Group on SentiSense.