Affiliated Managers Group Inc. – Market Activity and Peer Performance

Recent Trading Activity

During the 24‑hour period ending at 10:10 AM Central Europe on Wednesday, 21 October 2026, the share of Affiliated Managers Group Inc. (ticker AMG) advanced by 0.35 %. At the close, the stock trades at approximately USD 385.10 on major exchanges.

  • Shares Outstanding: 25.8 million
  • Market Capitalisation: USD 9.9 billion
  • Volume Traded in Last 24 h: USD 65.4 million
  • Year‑to‑Date Performance (since last month‑end): +5.61 %
  • Simple Moving Average (200 days): USD 328.76
  • 52‑Week High: USD 395 (recorded 12 October 2026)
  • 52‑Week Low: USD 234.23 (recorded 22 October 2025)

These figures illustrate a modest upward trajectory, with AMG’s trading volume reflecting moderate investor interest relative to its overall market capitalisation.

Peer Performance in the Same 24‑Hour Window

TickerTrade DirectionCurrent PriceMarket CapitalisationP/E RatioNotable Corporate Actions
AR (Antero)+0.47 %USD 38.83USD 11.9 billion11.01—
DOCN (DigitalOcean)+1.70 %USD 99.48USD 11.6 billion46.56• Highlights the growing importance of site performance and uptime for digital businesses.
• Announces support for the open‑source inference framework llm‑d 1.0, underscoring a commitment to cost‑effective AI deployment.
CR (Crane)+0.23 %USD 201.27USD 11.9 billion35.77—
BWA (Borgwarner)+0.17 %USD 58.57USD 11.8 billion29.68• Disclosed a securities‑lending arrangement that enables borrowing and lending of ordinary shares without exercising voting rights.
• Details on shareholder registration and voting powers, though no material market impact reported.
SMMT (Summit Therapeutics)+6.43 %USD 16.09USD 11.7 billion——

While AMG’s movement is modest compared to the sharp rise of Summit Therapeutics, the broader group of peers shows a mix of steady gains and strategic announcements that may influence future valuation dynamics.

Corporate Context for Affiliated Managers Group Inc.

Affiliated Managers Group Inc. (AMG) is headquartered in West Palm Beach, Florida, and operates as a financial asset‑management firm. The company provides investment‑management services to mutual funds, institutional clients, and high‑net‑worth individuals across the United States. Through its network of affiliates, AMG delivers advisory or sub‑advisory services to mutual funds, playing a pivotal role in the U.S. capital‑markets ecosystem.

  • Stock Exchange: New York Stock Exchange
  • Initial Public Offering: 21 November 1997
  • Website: www.amg.com

AMG’s consistent performance and stable capital structure make it a noteworthy component of the broader investment‑management sector, particularly as market participants increasingly evaluate the role of affiliated managers in delivering diversified exposure and specialized expertise.