Affiliated Managers Group, Inc. (AMG:NYSE) closed at $383.42 on October 23, 2026, down 3.06% on the day. The stock trades 3.9% below its 52-week high of $399.00 and 63.1% above its 52-week low of $235.04. Over the past year, it gained 59.6%. Affiliated Managers Group, Inc. is part of the Finance sector (Investment Managers).
In 252 trading sessions since October 23, 2025, AMG closed higher on 137 days (54%). Its best day was November 3, 2025 (+7.82%) and its worst was February 20, 2026 (-10.72%). The stock moved 10% or more in a single session 1 time.
Affiliated Managers Group, Inc., through its affiliates, operates as an asset management company providing investment management services to mutual funds, institutional clients, and high net worth individuals in the United States. It provides advisory or subadvisory services to mutual funds. These funds are distributed to retail and institutional clients directly and through intermediaries, including independent investment advisors, retirement plan sponsors, broker-dealers, major fund marketplaces, and bank trust departments. The company also offers investment products in various investment styles in the institutional distribution channel, including small, small/mid, mid, and large capitalization value and growth equity, and emerging markets. In addition, it offers quantitative, alternative, and fixed income products, and manages assets for foundations and endowments, defined benefit, and defined contribution plans for corporations and municipalities. Affiliated Managers Group provides investment management or customized investment counseling and fiduciary services. The company was formed as a corporation under the laws of Delaware in 1993. Affiliated Managers Group is based in Pri...
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