Home/SEC 13D/G/AMGSEC 13D/GAMG - Affiliated Managers Group, Inc. - SEC Filing Update (12-AUG-2026) | ThinkSabio - Stocks Simplified$AMG$364.21▲ 26.29% YTDFinancial ServicesAug 12, 2026 · ThinkSabio BlogSEC Filing Update: #AMG Affiliated Managers Group, Inc. : $364.21 Sector: Financial Services | YTD: 🔼+ 26.29% The SEC disclosed Today (12-AUG-2026) that MORGAN STANLEY has DECREASED #AMG Shares by -15.82% 🔴 * Previous Holdings: 1.73M Shares * Current Holdings: 1.46M Shares * Decrease -274.13K * Decreased (%)-15.82% * Ownership: 5.5% https://www.thinksabio.com/reports/isr/AMG The quarterly average prices of #AMG: Q3 2025: $220.41 Q4 2025: $257.93 Q1 2026: $301.21 Share this post🔗Copy Link💬 Comments Loading comments…Leave a commentPost Comment← All PostsMore SEC 13D/G